Biggest changeOperating expenses - Operations and maintenance expenses increased in 2022, as compared to 2021, by $63,069 or 11.5%, primarily due to: increase in employee related costs of $17,129 driven by an increase in labor rates, other compensation, including a one-time compensation payment for non-officer level employees, and benefits to employees; increase in production costs for water and wastewater operations of $6,339, primarily due to higher chemical prices and an increase in wholesale water costs; additional operating costs associated with acquired and pending acquisitions of water and wastewater utility systems and higher customer base of $6,872; increase in customer assistance surcharge costs of $12,778 in our Regulated Natural Gas segment, which has an equivalent offsetting amount in revenues.
Biggest changeOperating expenses - Operations and maintenance expenses decreased in 2023, as compared to 2022, by $38,131 or 6.2%, primarily due to: decrease in customer assistance surcharge costs of $18,710 in our Regulated Natural Gas segment, which has an equivalent offsetting amount in revenues; decrease in employee related costs of $5,381, primarily due to lower post-retirement benefit costs, higher capitalization in 2023 due to greater capital expenditures, and a one-time compensation payment for non-officer level employees in 2022; decrease in charitable contributions to the Essential Foundation and other organizations of $15,360; 47 Table of Contents (In thousands of dollars, except per share amounts) decrease in bad debt expense of $4,422; decrease in outside services, maintenance expenses, and other operating expenses of $7,707, primarily due to lower water main break activity and higher capitalization as a result of greater capital expenditures during the period in our Regulated Water segment; insurance recovery of $2,448 associated with clean-up and additional expenses incurred during Hurricane Ida; an asset impairment charge recognized in the first quarter of 2022 of $1,801 to write down a portion of the right of use asset of our Regulated Natural Gas segment’s office space to fair value; offset by an increase in production costs for water and wastewater operations of $12,208, primarily due to higher chemical prices and an increase in wholesale purchased water costs; additional operating costs associated with acquired and pending acquisitions of water and wastewater utility systems and higher customer base of $5,767; increase in insurance expense of $1,741 due to higher reserve for claims and insurance premiums in 2023; increase in legal expenses of $2,427; lower operation and maintenance expense of $837 as a result of the sale and cessation of our regulated natural gas operations in West Virginia in October 2023; and lower operating expenses driven by various cost-saving measures.
Refer to Note 1 – Summary of Significant Accounting Policies – Impairment of Long-Lived Assets in this Annual Report for additional information regarding the review of long-lived assets for impairment. We test the goodwill attributable for each of our reporting units for impairment at least annually, or more often, if circumstances indicate a possible impairment may exist.
Refer to Note 1 – Summary of Significant Accounting Policies – Impairment of Long-Lived Assets in this Annual Report for additional information regarding the review of long-lived assets for impairment. We test the goodwill attributable to each of our reporting units for impairment at least annually, or more often, if circumstances indicate a possible impairment may exist.
Alternatively, based on our assessment of the qualitative factors previously noted, or at our discretion, we may perform a quantitative goodwill impairment test by determining the fair value of a reporting unit by weighting the results from the income approach and the market approach.
Based on our assessment of the qualitative factors previously noted, or at our discretion, we may perform a quantitative goodwill impairment test by determining the fair value of a reporting unit by weighting the results from the income approach and the market approach.
For Peoples Natural Gas, the Company calculated the income tax benefits for qualifying capital expenditures made prior to March 16, 2020 (catch-up adjustment) and has recorded a regulatory liability for $160,655 for these income tax benefits.
For Peoples Natural Gas, the Company calculated the income tax benefits for qualifying capital expenditures made prior to March 16, 2020 (catch-up adjustment) and recorded a regulatory liability for $160,655 for these income tax benefits.
Portions of these refund amounts are payable annually through 2031 and amounts not paid by the contract expiration dates become non-refundable. Asset Retirement Obligations – We recognize asset retirement obligations associated with retirements of production, storage wells and other pipeline components at fair value, as incurred, or when sufficient information becomes available to determine a reasonable estimate of the fair value of the retirement activities to be performed.
Portions of these refund amounts are payable annually through 2033 and amounts not paid by the contract expiration dates become non-refundable. Asset Retirement Obligations – We recognize asset retirement obligations associated with retirements of production, storage wells and other pipeline components at fair value, as incurred, or when sufficient information becomes available to determine a reasonable estimate of the fair value of the retirement activities to be performed.
However, to the extent the final tax outcome of these matters is different than our estimates recorded, we would then need to adjust our tax reserves which could result in additional income tax expense or benefits in the period that this information is known. 62 Table of Contents IMPACT OF RECENT ACCOUNTING PRONOUNCEMENTS We describe the impact of recent accounting pronouncements in Note 1 – Summary of Significant Accounting Policies in this Annual Report.
However, to the extent the final tax outcome of these matters is different than our estimates recorded, we would then need to adjust our tax reserves which could result in additional income tax expense or benefits in the period that this information is known. 63 Table of Contents IMPACT OF RECENT ACCOUNTING PRONOUNCEMENTS We describe the impact of recent accounting pronouncements in Note 1 – Summary of Significant Accounting Policies in this Annual Report.
Our loan and debt agreements require us to comply with certain financial covenants, which among other things, subject to specific exceptions, limit the Company’s ratio of consolidated total indebtedness to consolidated total capitalization, and require a minimum level of earnings coverage over interest expense. During 2022, we were in compliance with our debt covenants under our credit facilities.
Our loan and debt agreements require us to comply with certain financial covenants, which among other things, subject to specific exceptions, limit the Company’s ratio of consolidated total indebtedness to consolidated total capitalization, and require a minimum level of earnings coverage over interest expense. During 2023, we were in compliance with our debt covenants under our credit facilities.
For discussion of our results of operations and cash flows for 2021 compared with 2020, refer to Part II, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for our fiscal year ended December 31, 2021 , filed with the SEC on March 1, 2022.
For discussion of our results of operations and cash flows for 2022 compared with 2021, refer to Part II, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for our fiscal year ended December 31, 2022 , filed with the SEC on March 1, 2023.
As of December 31, 2022, the pipeline of potential water and wastewater municipal acquisitions the company is actively pursuing represents approximately 400,000 total customers or equivalent dwelling units. The Company remains on track to, on average, annually increase customers between 2% and 3% through acquisitions and organic customer growth.
As of December 31, 2023, the pipeline of potential water and wastewater municipal acquisitions the company is actively pursuing represents approximately 400,000 total customers or equivalent dwelling units. The Company remains on track to, on average, annually increase customers between 2% and 3% through acquisitions and organic customer growth.
Our water and wastewater operations are composed of 47 rate divisions, and our natural gas operations are comprised of four rate divisions. Each of our utility rate divisions require a separate rate filing for the evaluation of the cost of service and recovery of investments in connection with the establishment of tariff rates for that rate division.
Our water and wastewater operations are composed of 57 rate divisions, and our natural gas operations are comprised of four rate divisions. Each of our utility rate divisions require a separate rate filing for the evaluation of the cost of service and recovery of investments in connection with the establishment of tariff rates for that rate division.
During the year ended December 31, 2022, our operating revenues for our Regulated Water segment were derived principally from the following states: approximately 56% in Pennsylvania, 11% in Ohio, 9% in Illinois, 8% in Texas, and 7% in North Carolina.
During the year ended December 31, 2023, our operating revenues for our Regulated Water segment were derived principally from the following states: approximately 56% in Pennsylvania, 11% in Ohio, 8% in Illinois, 9% in Texas, and 7% in North Carolina.
Performance Measures Considered by Management We consider the following financial measures (and the period to period changes in these financial measures) to be the fundamental basis by which we evaluate our operating results: earnings per share; water and wastewater operating revenues; gas operating revenues, net of purchased gas costs; earnings before interest, taxes, and depreciation (EBITD); earnings before income taxes; net income; and the dividend rate on common stock.
Performance Measures Considered by Management We consider the following financial measures (and the period to period changes in these financial measures) to be the fundamental basis by which we evaluate our operating results: earnings per share; water and wastewater operating revenues; gas operating revenues, net of purchased gas costs; operations and maintenance expenses; earnings before interest, taxes, and depreciation (EBITD); earnings before income taxes; net income; and the dividend rate on common stock.
The Company Essential Utilities, Inc., (Essential Utilities, the Company, we, us, or our), a Pennsylvania corporation, is the holding company for regulated utilities providing water, wastewater, or natural gas services to an estimated five million people in Pennsylvania, Ohio, Texas, Illinois, North Carolina, New Jersey, Indiana, Virginia, West Virginia, and Kentucky under the Aqua and Peoples brands.
The Company Essential Utilities, Inc., (Essential Utilities, the Company, we, us, or our), a Pennsylvania corporation, is the holding company for regulated utilities providing water, wastewater, or natural gas services to an estimated 5.5 million people in Pennsylvania, Ohio, Texas, Illinois, North Carolina, New Jersey, Indiana, Virginia, and Kentucky under the Aqua and Peoples brands.
As a result, we remeasured our qualified pension plan assets and liabilities using a discount rate of 5.58%, and the remeasurement did not have a material impact to our consolidated financial statements.
As a result, we remeasured our qualified pension plan assets and liabilities using a discount rate of 5.20%, and the remeasurement did not have a material impact to our consolidated financial statements.
Future utility construction in the period 2024 through 2025, including recurring programs, such as the ongoing replacement or rehabilitation of utility meters and mains, water treatment plant upgrades, storage facility renovations, pipes, service lines, and additional transmission mains to meet customer demands, excluding the costs of new mains financed by advances and contributions in aid of construction, is estimated to require aggregate expenditures of approximately $2,115,000.
Future utility construction in the period 2025 through 2026, including recurring programs, such as the ongoing replacement or rehabilitation of utility meters and mains, water treatment plant upgrades, storage facility renovations, pipes, service lines, and additional transmission mains to meet customer demands, excluding the costs of new mains financed by advances and contributions in aid of construction, is estimated to require aggregate expenditures of approximately $2,769,000.
Acquisitions As part of the Company’s growth-through-acquisition strategy, as of December 31, 2022, the Company has entered into purchase agreements to acquire the water or wastewater utility system assets of seven municipalities and a private company for a total combined purchase price in cash of approximately $380,000.
Acquisitions As part of the Company’s growth-through-acquisition strategy, as of December 31, 2023, the Company has entered into purchase agreements to acquire the water or wastewater utility system assets of five municipalities and a private company for a total combined purchase price in cash of approximately $380,000.
Our planned 2023 capital program in Pennsylvania for our water and natural gas utilities is estimated to be approximately $761,000, a portion of which is expected to be eligible as a deduction for qualifying utility asset improvements for Federal income tax purposes.
Our planned 2024 capital program in Pennsylvania for our water and natural gas utilities is estimated to be approximately $915,000, a portion of which is expected to be eligible as a deduction for qualifying utility asset improvements for Federal income tax purposes.
When testing goodwill for impairment, we may assess qualitative factors, including macroeconomic conditions, industry and market considerations, cost factors, overall financial performance, and entity specific events, for some or all of our reporting units to determine whether it’s more likely than not that the fair value of a reporting unit is less than its carrying amount.
When testing goodwill for impairment, we may assess qualitative factors, including macroeconomic conditions, industry and market considerations, changes to regulatory environment, recent regulatory and legislative proceedings, cost factors, overall financial performance, and entity specific events, for some or all of our reporting units to determine whether it’s more likely than not that the fair value of a reporting unit is less than its carrying amount.
Segment Results of Operations Comparison for 2022 and 2021 We have identified twelve operating segments, and we have two reportable segments based on the following: Eight segments are composed of our water and wastewater regulated utility operations in the eight states where we provide these services.
Segment Results of Operations Comparison for 2023 and 2022 We have identified eleven operating segments, and we have two reportable segments based on the following: Eight segments are composed of our water and wastewater regulated utility operations in the eight states where we provide these services.
The Company’s provision for income taxes represents an income tax benefit due to the effects of tax deductions recognized for certain qualifying infrastructure investments. The decrease in the effective tax rate is primarily attributed to the increase in our income tax benefit associated with the tax deduction for qualifying infrastructure investments.
The Company’s provision for income taxes represents an income tax benefit due to the effects of tax deductions recognized for certain qualifying infrastructure investments. The decrease in the effective tax rate is primarily attributed to the increase in our income tax benefit associated with the tax deduction for qualifying infrastructure investments in our Regulated Natural Gas segment.
During this three year period, we received $36,563 of customer advances and contributions in aid of construction to finance new utility mains and related facilities that are not included in the capital expenditures presented in the above table.
During this three year period, we received $50,960 of customer advances and contributions in aid of construction to finance new utility mains and related facilities that are not included in the capital expenditures presented in the above table.
Allowance for funds used during construction (AFUDC) was $23,665 in 2022 and $20,792 in 2021, and varies as a result of changes in the average balance of utility plant construction work in progress, to which AFUDC is applied, changes in the AFUDC rate which is based predominantly on short-term interest rates, changes in the balance of short term-debt, and changes in the amount of AFUDC related to equity.
Allowance for funds used during construction (AFUDC) was $16,967 in 2023 and $23,665 in 2022, and varies as a result of changes in the average balance of utility plant construction work in progress, to which AFUDC is applied, changes in the AFUDC rate which is based predominantly on short-term interest rates, changes in the balance of short term-debt, and changes in the amount of AFUDC related to equity.
This credit facility was established in December 2022, replacing a similar facility that was expiring in December 2023, and was used to repay all indebtedness and fees under our prior unsecured revolving credit facility, and for other general corporate purposes. In addition, we have short-term lines of credit of $435,500 of which $207,000 was available as of December 31, 2022.
This credit facility was established in December 2022, replacing a similar facility, and was used to repay all indebtedness and fees under our prior unsecured revolving credit facility, and for other general corporate purposes. In addition, we have short-term lines of credit of $435,500 of which $275,377 was available as of December 31, 2023.
Expected obligations are not included in the above table because the amounts and timing are dependent upon several variables, which cannot be accurately estimated. Uncertain tax positions – We have uncertain tax positions of $18,217.
Expected obligations are not included in the above table because the amounts and timing are dependent upon several variables, which cannot be accurately estimated. Uncertain tax positions – We have uncertain tax positions of $7,898.
During the past three years, we have sold 1,132,080 original issue shares of common stock for net proceeds of $49,940 through the dividend reinvestment portion of the Plan, and we used the proceeds to invest in our operating subsidiaries, to repay short-term debt, and for general corporate purposes.
During the past three years, we have sold 1,173,589 original issue shares of common stock for net proceeds of $49,423 through the dividend reinvestment portion of the Plan, and we used the proceeds to invest in our operating subsidiaries, to repay short-term debt, and for general corporate purposes.
The number of customers increased at an annual compound rate of 2.2% over the past three years due to acquisitions and organic growth, adjusted to exclude customers associated with utility system dispositions. Acquisitions in our Regulated Water segment have provided additional water and wastewater revenues of $16,145 in 2022, $6,750 in 2021, and $10,951 in 2020.
The number of customers increased at an annual compound rate of 2.1% over the past three years due to acquisitions and organic growth, adjusted to exclude customers associated with utility system dispositions. Acquisitions in our Regulated Water segment have provided additional water and wastewater revenues of $9,646 in 2023, $16,145 in 2022, and $6,750 in 2021.
During 2022, we completed three acquisitions of water and wastewater systems, which along with the organic growth in our existing systems, represents 31,537 new customers. During 2021 we completed two acquisitions of water and wastewater systems, which along with the organic growth in our existing systems, represents 21,364 new customers.
During 2021 we completed two acquisitions of water and wastewater systems, which along with the organic growth in our existing systems, represents 21,364 new customers.
Our planned 2023 capital program, excluding the costs of new mains financed by advances and contributions in aid of construction is estimated to be approximately $1,123,000 in infrastructure improvements for the communities we serve. The 2023 capital program is expected to include approximately $747,000 for infrastructure rehabilitation surcharge qualified projects.
Our planned 2024 capital program, excluding the costs of new mains financed by advances and contributions in aid of construction is estimated to be approximately $1,365,000 in infrastructure improvements for the communities we serve. The 2024 capital program is expected to include approximately $935,000 for infrastructure rehabilitation surcharge qualified projects.
These segments are included as a component of “Other,” in addition to corporate costs that have not been allocated to the Regulated Water and Regulated Natural Gas segments, because they would not be recoverable as a cost of utility service, and intersegment eliminations. Corporate costs include general and administrative expenses, and interest expense.
These segments are included as a component of “Other,” in addition to corporate costs that have not been allocated to the Regulated Water and Regulated Natural Gas segments, because they would not be recoverable as a cost of utility service, and intersegment eliminations.
If we were to assume changes in certain of our key assumptions used to determine the fair value of our Regulated Gas reporting unit, the following would be the effect on headroom: Sensitivity Analysis (1) Percentage points (ppts) decrease in Regulated Gas Reporting Unit Headroom Increase in discount rate by 100 basis points 6 ppts Decrease in Market Multiples by 1x 7 ppts Reduction in terminal value EBITDA (2) by 10% 8 ppts (1) Each assumption used in the sensitivity analysis is independent of the other assumptions (2) Defined as earnings before interest, taxes, depreciation and amortization Accounting for Post-Retirement Benefits ─ We maintain a qualified and a non-qualified defined benefit pension plan and plans that provide for post-retirement benefits other than pensions.
If we were to assume changes in certain of our key assumptions used to determine the fair value of our Regulated Natural Gas reporting unit, the following would be the impact on the amount of headroom over the carrying value: Sensitivity Analysis (1) Percentage decrease in headroom of Regulated Natural Gas Reporting Unit Increase in discount rate by 100 basis points 40% Decrease in Market Multiples by 1x 46% Reduction in terminal value EBITDA (2) by 10% 49% (1) Each assumption used in the sensitivity analysis is independent of the other assumptions (2) Defined as earnings before interest, taxes, depreciation and amortization Accounting for Post-Retirement Benefits ─ We maintain a qualified and a non-qualified defined benefit pension plan and plans that provide for post-retirement benefits other than pensions.
Also, unanticipated changes in circumstances and/or revisions to the assessed probability of the outcomes of legal matters could result in expenses being incurred in future periods as well as an increase in actual cash required to resolve the legal matter. 58 Table of Contents (In thousands of dollars, except per share amounts) Capitalization The following table summarizes our capitalization as of December 31, 2022 and 2021: December 31, 2022 2021 Long-term debt (1) 55.2% 53.4% Essential Utilities stockholders' equity 44.8% 46.6% 100.0% 100.0% (1) Includes current portion, as well as our borrowings under a variable rate revolving credit agreement of $490,000 at December 31, 2022, and $300,000 at December 31, 2021.
Also, unanticipated changes in circumstances and/or revisions to the assessed probability of the outcomes of legal matters could result in expenses being incurred in future periods as well as an increase in actual cash required to resolve the legal matter. 59 Table of Contents (In thousands of dollars, except per share amounts) Capitalization The following table summarizes our capitalization as of December 31, 2023 and 2022: December 31, 2023 2022 Long-term debt (1) 54.1% 55.2% Essential Utilities stockholders' equity 45.9% 44.8% 100.0% 100.0% (1) Includes current portion, as well as our borrowings under a variable rate revolving credit agreement of $720,000 at December 31, 2023, and $490,000 at December 31, 2022.
We anticipate that approximately one-half of these expenditures will require external financing. We expect to refinance $221,345 of long-term debt during this period as it becomes due with funds from new issues of long-term debt, issuances of equity, internally-generated funds, and our revolving credit facilities.
We anticipate that more than one half of these expenditures will require external financing. We expect to refinance $168,875 of long-term debt during this period as it becomes due with funds from new issues of long-term debt, issuances of equity, internally-generated funds, and our revolving credit facilities.
In addition, during this period, we have made repayments of debt, which includes the net effect of borrowings and repayments under our long-term revolving credit facility of $1,965,289 and have refunded $21,068 of customers’ advances for construction.
In addition, during this period, we have made repayments of debt, which includes the net effect of borrowings and repayments under our long-term revolving credit facility of $1,441,098 and have refunded $21,202 of customers’ advances for construction.
Amounts reported may differ from actual due to future refinancing of debt. (2) Represents minimum lease payments for long-term operating leases of land, office facilities, office equipment, and vehicles. (3) Represents our commitment to purchase minimum quantities of water as stipulated in agreements with other water purveyors.
Amounts reported may differ from actual due to future refinancing of debt. (2) Represents minimum lease payments for long-term operating leases of land, office facilities, office equipment, and vehicles. 58 Table of Contents (In thousands of dollars, except per share amounts) (3) Represents our commitment to purchase minimum quantities of water as stipulated in agreements with other water purveyors.
Our overall 2023 capital program along with $199,356 of debt repayments and $365,432 of other contractual cash obligations, as reported in the section captioned “Management’s Discussion and Analysis of Financial Condition and Results of Operations – Contractual Obligations ”, has been, or is expected to be, financed through internally-generated funds, our revolving credit facilities, and the issuance of long-term debt and equity.
Our overall 2024 capital program along with $67,415 of debt repayments and $322,176 of other contractual cash obligations, as reported in the section captioned “Management’s Discussion and Analysis of Financial Condition and Results of Operations – Contractual Obligations ”, has been, or is expected to be, financed through internally-generated funds, our revolving credit facilities, and the issuance of long-term debt and equity.
Water and wastewater rate increases, including infrastructure rehabilitation surcharges, implemented during the past three years have provided additional operating revenues of $63,367 in 2022, $27,421 in 2021, and $32,660 in 2020.
Water and wastewater rate increases, including infrastructure rehabilitation surcharges, implemented during the past three years have provided additional operating revenues of $57,924 in 2023, $63,367 in 2022, and $27,421 in 2021.
As of September 30, 2022, settlement accounting was triggered by the amount of lump-sum payments by our qualified pension plan to retirees and other separated employees exceeding the threshold of service and interest cost for the period.
In 2023, settlement accounting was triggered by the amount of lump-sum payments by our qualified pension plan to retirees and other separated employees exceeding the threshold of service and interest cost for the period.
Management believes this measure provides a meaningful basis for evaluating our natural gas utility operations since purchased gas expenses are included in operating revenues and passed through to customers. 45 Table of Contents (In thousands of dollars, except per share amounts) Our operating expense ratio is one measure that we use to evaluate our operating efficiency and management effectiveness of our regulated operations.
Management believes this measure provides a meaningful basis for evaluating our natural gas utility operations since purchased gas expenses are included in operating revenues and passed through to customers. Our operating expense ratio is one measure that we use to evaluate our operating efficiency and management effectiveness of our regulated operations.
For larger acquisitions, such as the Peoples Gas Acquisition, we have incurred significant transaction expenses, which increase operations and maintenance expenses in periods prior to and in the period of the closing of the acquisition. In addition, we operate market-based subsidiary companies consisting of our non-regulated natural gas operations, Aqua Resources, and Aqua Infrastructure.
For larger acquisitions, we may incur significant transaction expenses, which increase operations and maintenance expenses in periods prior to and in the period of the closing of the acquisition. In addition, we operate market-based subsidiary companies consisting of our non-regulated natural gas operations and Aqua Resources.
Gain on sale of other assets totaled $991 in 2022 and $976 in 2021, and consists of the sales of property, plant and equipment.
Gain on sale of other assets totaled $65 in 2023 and $991 in 2022, and consists of the sales of property, plant and equipment.
Consequently, a higher proportion of annual Regulated Water segment operating revenues are realized in the second and third quarters. In general, during this period, an extended period of hot and dry weather increases water consumption, while above-average rainfall and cool weather decreases water consumption.
Consequently, a higher proportion of annual Regulated Water segment operating revenues are realized in the second and third quarters. In general, during this period, an extended period of hot and dry weather increases water consumption, while above-average 45 Table of Contents (In thousands of dollars, except per share amounts) rainfall and cool weather decreases water consumption.
Depreciation and amortization expense increased by $23,225 or 7.8%, in 2022 over 2021, principally due to continued capital expenditures to expand and improve our utility facilities, upgrade our information systems, our acquisitions of new utility systems, and additional rate case filings.
Depreciation and amortization expense increased by $22,518 or 7.0%, in 2023 over 2022, principally due to continued capital expenditures to expand and improve our utility facilities, upgrade our information systems, our acquisitions of new utility systems, and additional rate case filings.
The weighted average cost of fixed and variable rate long-term debt was 3.94% at December 31, 2022 and 3.49% at December 31, 2021.
The weighted average cost of fixed and variable rate long-term debt was 4.14% at December 31, 2023 and 3.94% at December 31, 2022.
Other totaled $494 in 2022, and $(2,848) in 2021, and largely consists of the non-service cost component of our net benefit cost for pension benefits and unrealized gains and losses on investments associated with our non-qualified pension plan.
Other (income) expense totaled $(2,613) in 2023 and $494 in 2022, and largely consists of the non-service cost component of our net benefit cost for post-retirement benefits and unrealized gains and losses on investments associated with our non-qualified pension plan.
Our operating subsidiaries received rate increases representing estimated annualized revenues of $81,610 in 2022 resulting from seven base rate decisions, $3,390 in 2021 resulting from six base rate decisions, and $4,480 in 2020 resulting from five base rate decisions.
Our operating subsidiaries received rate increases representing estimated annualized revenues of $28,426 in 2023 resulting from seven base rate decisions, $81,610 in 2022 resulting from seven base rate decisions, and $3,390 in 2021 resulting from six base rate decisions.
Annualized revenues in aggregate from all of the rate increases realized in the year of grant were $51,163 in 2022, $2,995 in 2021, and $1,594 in 2020.
Annualized revenues in aggregate from all of the rate increases realized in the year of grant were $10,109 in 2023, $51,163 in 2022, and $2,995 in 2021.
At other times of the year, warnings and restrictions generally have less of an effect on water consumption. Drought warnings and watches result in the public being asked to voluntarily reduce water consumption. The geographic diversity of our utility customer base reduces the effect of our exposure to extreme or unusual weather conditions in any one area of the country.
Drought warnings and watches result in the public being asked to voluntarily reduce water consumption. The geographic diversity of our utility customer base reduces the effect of our exposure to extreme or unusual weather conditions in any one area of the country.
These valuation approaches consider a number of factors that include, but are not limited to, prospective financial information, growth rates, terminal value, discount rates, and comparable multiples from publicly traded companies in our industry and require us to make certain assumptions and estimates regarding industry economic factors and future profitability of our business.
These valuation approaches consider a number of factors that include, but are not limited to, prospective financial information (which includes projected operating income, expected future capital expenditures, and projected regulatory rate base, among others), growth rates, terminal value, discount rates, and comparable multiples from publicly traded companies in our industry and require us to make certain assumptions and estimates regarding industry economic factors and future profitability of our business.
Our post-retirement benefits expense under these plans is determined using the discount rate as of the beginning of the year, which was 2.91% for our pension plan and 2.96% for our other-postretirement benefit plan for 2022.
Our post-retirement benefits expense under these plans is determined using the discount rate as of the beginning of the year, which was 5.51% for our pension plan and 5.45% for our other-postretirement benefit plan for 2023.
We believe EBITD is a relevant and useful indicator of operating performance, as we measure it for management purposes because it provides a better understanding of our results of operations by highlighting our operations and the underlying profitability of our core businesses.
We believe EBITD is a relevant and useful indicator of operating performance, as we measure it for 44 Table of Contents (In thousands of dollars, except per share amounts) management purposes because it provides a better understanding of our results of operations by highlighting our operations and the underlying profitability of our core businesses.
Aqua Resources offers, through a third-party, water and sewer service line protection solutions and repair services to households. Other non-regulated subsidiaries of Peoples provide utility service line protection services to households and operate gas marketing and production businesses.
Lastly, the Company’s market-based activities are conducted through Aqua Resources, Inc. and certain other non-regulated subsidiaries of Peoples. Aqua Resources offers, through a third-party, water and sewer service line protection solutions and repair services to households. Other non-regulated subsidiaries of Peoples provide utility service line protection services to households and operate gas marketing and production businesses.
Our targeted allocations are driven by our investment strategy to earn a reasonable rate of return 61 Table of Contents (In thousands of dollars, except per share amounts) while maintaining risk at acceptable levels through the diversification of investments across and within various asset categories.
Our targeted allocations are driven by our investment strategy to earn a reasonable rate of return while maintaining risk at acceptable levels through the diversification of investments across and within various asset categories.
After reviewing the hypothetical portfolio of bonds, we selected a discount rate of 5.51% for our pension plan, and 5.45% for our other post-retirement benefit plans as of December 31, 2022, which represent a 260 and 249 basis-point increase as compared to the discount rates selected at December 31, 2021, respectively.
After reviewing the hypothetical portfolio of bonds, we selected a discount rate of 5.17% for our pension plan, and 5.09% for our other post-retirement benefit plans as of December 31, 2023, which represent a 34 and 36 basis-point decrease as compared to the discount rates selected at December 31, 2022, respectively.
Sources of Capital Since net operating cash flow plus advances and contributions in aid of construction have not been sufficient to fully fund our cash requirements including capital expenditures and our growth through acquisitions program, which included financings for a portion of the Peoples Gas Acquisition, we issued $5,542,246 of long-term debt, and obtained other short-term borrowings during the past three years.
Sources of Capital Since net operating cash flow plus advances and contributions in aid of construction have not been sufficient to fully fund our cash requirements including capital expenditures and our growth through acquisitions program, we issued $2,786,632 of long-term debt, and obtained other short-term borrowings during the past three years.
At December 31, 2022, we have a $1,000,000 unsecured long-term revolving credit facility that expires in December 2027, of which $19,041 was designated for letter of credit usage, $490,959 was available for borrowing, and $490,000 of borrowings were outstanding at December 31, 2022.
At December 31, 2023, we have a $1,000,000 unsecured long-term revolving credit facility that expires in December 2027, of which $16,838 was designated for letter of credit usage, $263,162 was available for borrowing, and $720,000 of borrowings were outstanding at December 31, 2023.
Recovery of the effects of inflation through higher customer rates is dependent upon receiving adequate and timely rate increases. However, rate increases are not retroactive and often lag increases in costs caused by inflation.
Recovery of the effects of increased cost of providing services and infrastructure improvements through higher customer rates is dependent upon receiving adequate and timely rate increases. However, rate increases are not retroactive and often lag increases in costs.
Net income - Years ended December 31, 2022 2021 2020 Operating income $ 661,187 $ 602,709 $ 434,686 Net income 465,237 431,612 284,849 Diluted net income per share 1.77 1.67 1.12 The changes in diluted net income per share in 2022 over the previous year were due to the aforementioned changes.
Net income - Years ended December 31, 2023 2022 2021 Operating income $ 692,097 $ 661,187 $ 602,709 Net income 498,226 465,237 431,612 Diluted net income per share 1.86 1.77 1.67 The changes in diluted net income per share in 2023 over the previous year were due to the aforementioned changes.
Other expense, net - Interest expense was $238,116 in 2022 and $207,709 in 2021. Interest expense increased in 2022 primarily due to an increase in average borrowings , and an increase in average interest r ates. The weighted average cost of fixed rate long-term debt was 3.78% at December 31, 2022 and 3.61% at December 31, 2021.
Other expense, net - Interest expense, net was $279,961 in 2023 and $234,441 in 2022. Interest expense increased in 2023 primarily due to an increase in average borrowings , and an increase in average interest r ates. The weighted average cost of fixed rate long-term debt was 3.86% at December 31, 2023 and 3.78% at December 31, 2022.
The increase in 2022 is primarily due to an increase in the average balance of utility plant construction work in progress, to which AFUDC is applied. The amount of AFUDC related to equity was $17,618 in 2022 and $16,282 in 2021.
The decrease in 2023 is primarily due to a decrease in the average balance of utility plant construction work in progress, to which AFUDC is applied. The amount of AFUDC related to equity was $11,726 in 2023 and $17,618 in 2022.
In accordance with funding rules and our funding policy, during 2023 our pension contribution is expected to be $20,343.
In accordance with funding rules and our funding policy, during 2024 our pension contribution is expected to be $9,393.
Our Regulated Water segment also includes operating revenues of $11,477 in 2022 and $13,358 in 2021, and $8,781 in 2020, associated with revenues earned primarily from fees received from telecommunication operators that have put 50 Table of Contents (In thousands of dollars, except per share amounts) cellular antennas on our water towers, fees earned from municipalities for our operation of their water or wastewater treatment services or to perform billing services, and fees earned from developers for accessing our water mains.
Our Regulated Water segment also includes operating revenues of $14,863 in 2023, $11,477 in 2022 and $13,358 in 2021, associated with revenues earned primarily from fees received from telecommunication operators that have put cellular antennas on our water towers, fees earned from municipalities for our operation of their water or wastewater treatment services or to perform billing services, and fees earned from developers for accessing our water mains. 50 Table of Contents (In thousands of dollars, except per share amounts) Operating expenses - Operations and maintenance expense for the year ended December 31, 2023 was $368,843 compared to $370,850 in the prior period.
The timing and duration of the warnings and restrictions can have an impact on our water revenues and net income. In general, water consumption in the summer months is affected by drought warnings and restrictions to a higher degree because discretionary and recreational use of water is highest during the summer months, particularly in our northern service territories.
In general, water consumption in the summer months is affected by drought warnings and restrictions to a higher degree because discretionary and recreational use of water is highest during the summer months, particularly in our northern service territories. At other times of the year, warnings and restrictions generally have less of an effect on water consumption.
For utility plant in service, we would recognize an impairment loss for any amount disallowed by the respective utility commission. Our long-lived assets, which consist primarily of utility plant in service , operating lease right-of-use assets and intangible assets, are reviewed for impairment when changes in circumstances or events occur.
Our long-lived assets, which consist primarily of utility plant in service , operating lease right-of-use assets and intangible assets, are reviewed for impairment when changes in circumstances or events occur.
The purchase price for these pending acquisitions is subject to certain adjustments at closing, and the pending acquisitions are subject to regulatory approvals, including the final determination of the fair value of the rate base acquired.
The purchase price for these pending acquisitions is subject to certain adjustments at closing, and the pending acquisitions are subject to regulatory approvals, including the final determination of the fair value of the rate base acquired. Closings for these acquisitions are expected to occur in 2024 or 2025, which is subject to the timing of the various regulatory approval processes.
Revenues from our Regulated Water segment increased by $102,769, Regulated Natural Gas segment by $283,460 and other revenues by $23,659. A detailed discussion of the factors contributing to the changes in segment net revenue is included below under the section, Segment Results of Operations.
Revenues from our Regulated Water segment increased by $70,404, Regulated Natural Gas segment revenues decreased by $279,603 and Other business segment revenues decreased by $25,009. A detailed discussion of the factors contributing to the changes in segment net revenue is included below under the section, Segment Results of Operations.
These changes allow a tax deduction for qualifying utility asset improvement costs that were formerly capitalized for tax purposes. The Company is utilizing the flow-through method to account for these timing differences.
In December 2022, the Company made a similar change for its Aqua New Jersey subsidiary. These changes resulted in a tax deduction for qualifying utility asset improvement costs that were formerly capitalized for tax purposes. The Company is utilizing the flow-through method to account for these timing differences.
The expected return on plan assets is based on a targeted allocation of 50% to 70% return seeking assets and 30% to 50% liability hedging assets. Our post-retirement benefits expense increases as the expected return on plan assets decreases. We believe that our actual long-term asset allocations on average will approximate our targeted allocations.
Our post-retirement benefits expense increases as the expected return on plan assets decreases. We believe that our actual long-term asset allocations on average will approximate our targeted allocations.
Even during periods of moderate inflation, the effects of inflation can have a negative impact on our operating results. Our natural gas distribution operations are also affected by the cost of natural gas.
Even during periods of moderate inflation, the effects of inflation can have a negative impact on our operating results.
On occasion, drought warnings and water use restrictions are issued by governmental authorities for portions of our service territories in response to extended periods of dry weather conditions, regardless of our ability to meet unrestricted 46 Table of Contents (In thousands of dollars, except per share amounts) customer water demands.
On occasion, drought warnings and water use restrictions are issued by governmental authorities for portions of our service territories in response to extended periods of dry weather conditions, regardless of our ability to meet unrestricted customer water demands. The timing and duration of the warnings and restrictions can have an impact on our water revenues and net income.
Other expense, net – Interest expense, net, increased by $3,582 or 3.3% primarily due to the increase in average borrowings and higher interest rate on our revolving line of credit in 2022. AFUDC increased by $1,692 or 8.8% due to the increase in the average balance of utility plant construction work in progress, to which AFUDC is applied.
Other expense, net – Interest expense, net, increased by $5,134 or 5.9% for 2023 compared to 2022 due to additional borrowings and a higher interest rate on our revolving line of credit in 2023. AFUDC decreased by $534 or 19.7% due to the decrease in the average balance of utility plant construction work in progress, to which AFUDC is applied.
In 2022, the fair values of our investments associated with our non-qualified plan declined and we recognized a loss of $895 in 2022 compared to a gain of $(607) in 2021. Income tax benefit - Our effective income tax rate was (3.2)% in 2022, and (2.3)% in 2021.
In 2023, the fair values of our investments associated with our non-qualified plan increased, and we recognized a gain of $582 in 2023 compared to a loss of $895 in 2022.
We are able to generally pass the cost of gas to our customers without markup under purchase gas cost adjustment mechanisms; therefore, increases in the cost of gas are offset by a corresponding increase in revenues. However, higher gas costs may adversely impact our accounts receivable collections, resulting in higher bad debt expense.
Our natural gas distribution operations are also affected by the cost of natural gas. We are able to generally pass the cost of gas to our customers without markup under purchase gas cost adjustment mechanisms; therefore, increases in the cost of gas are offset by a corresponding increase in revenues.
For 2022, we used a 5.4% expected return on plan assets assumption, and are currently reviewing this assumption for 2023 and expect it may remain unchanged in 2023. Funding requirements for qualified defined benefit pension plans are determined by government regulations and not by accounting pronouncements.
For 2023, we used a 6.8% expected return on plan assets assumption and are currently reviewing this assumption for 2024. 62 Table of Contents (In thousands of dollars, except per share amounts) Funding requirements for qualified defined benefit pension plans are determined by government regulations and not by accounting pronouncements.
For Peoples Gas, the Company calculated the catch-up adjustment for periods prior to the 2021 tax year and recognized a regulatory liability of $13,808 for these income tax benefits. The Company will maintain this regulatory liability on its consolidated balance sheet until the accounting treatment is determined in its next base rate case.
For Peoples Gas, the Company calculated the catch-up adjustment for periods prior to the 2021 tax year and recognized a regulatory liability of $13,808 for these income tax benefits.
Failure to comply with our debt covenants could result in an event of default, which could result in us being required to repay or refinance our borrowings before their due date, possibly limiting our future borrowings, and increasing our borrowing costs. 56 Table of Contents (In thousands of dollars, except per share amounts) In April 2021, the Company filed a universal shelf registration statement through a filing with the SEC to allow for the potential future offer and sale by the Company, from time to time, in one or more public offerings, of an indeterminate amount of our common stock, preferred stock, debt securities, and other securities specified therein at indeterminate prices.
In April 2021, the Company filed a universal shelf registration statement through a filing with the SEC to allow for the potential future offer and sale by the Company, from time to time, in one or more public offerings, of an indeterminate amount of our common stock, preferred stock, debt securities, and other securities specified therein at indeterminate prices.
Regulated Water Segment The following tables present the selected operating results and customers served for our Regulated Water segment, for and as of the year ended December 31,: 2022 2021 2020 2022 vs. 2021 2021 vs. 2020 Sendout (in millions of gallons) Pennsylvania 42,666 42,198 41,683 468 515 Ohio 14,604 13,971 14,020 633 (49) Illinois 8,784 8,764 8,651 20 113 Texas 8,606 7,212 7,393 1,394 (181) North Carolina 5,934 5,984 5,780 (50) 204 Other states 6,272 6,191 6,299 81 (108) Subtotal 86,866 84,320 83,826 2,546 494 Elimination (141) (154) (65) 13 (89) Total sendout by state 86,725 84,166 83,761 2,559 405 Utility customers: Residential water 850,673 842,200 832,902 8,473 9,298 Commercial water 43,119 42,864 42,535 255 329 Industrial water 1,286 1,331 1,338 (45) (7) Other water 18,446 17,932 18,561 514 (629) Wastewater 181,721 162,478 151,965 19,243 10,513 Total water and wastewater utility customers 1,095,245 1,066,805 1,047,301 28,440 19,504 Operating revenues: Residential water $ 607,473 $ 561,996 $ 567,485 $ 45,477 $ (5,489) Commercial water 168,460 151,071 143,479 17,389 7,592 Industrial water 32,581 30,230 29,764 2,351 466 Other water 94,359 89,472 67,712 4,887 21,760 Wastewater 165,312 132,316 121,117 32,996 11,199 Customer rate credits - - (4,080) - 4,080 Other utility 14,787 15,118 13,063 (331) 2,055 Total operating revenues $ 1,082,972 $ 980,203 $ 938,540 $ 102,769 $ 41,663 Operating expenses: Operations and maintenance expense $ 370,850 $ 332,598 $ 309,608 $ 38,252 $ 22,990 Depreciation and amortization $ 201,392 $ 182,074 $ 171,152 $ 19,318 $ 10,922 Taxes other than income taxes $ 64,472 $ 63,264 $ 60,505 $ 1,208 $ 2,759 Other expense, net $ 84,396 $ 81,931 $ 91,001 $ 2,465 $ (9,070) Provision for income tax $ 47,510 $ 26,633 $ 22,481 $ 20,877 $ 4,152 Segment net income $ 314,352 $ 293,703 $ 283,793 $ 20,649 $ 9,910 Operating revenues - The growth in our Regulated Water segment’s revenues over the past three years is primarily a result of increases in our water and wastewater rates and our customer base.
Corporate costs include general and administrative expenses, and interest expense. 49 Table of Contents (In thousands of dollars, except per share amounts) Regulated Water Segment The following tables present the selected operating results and customers served for our Regulated Water segment, for and as of the year ended December 31: 2023 2022 2021 2023 vs. 2022 2022 vs. 2021 Sendout (in millions of gallons) Pennsylvania 42,525 42,666 42,198 (141) 468 Ohio 13,560 14,604 13,971 (1,044) 633 Illinois 8,421 8,784 8,764 (363) 20 Texas 8,703 8,606 7,212 97 1,394 North Carolina 5,824 5,934 5,984 (110) (50) Other states 6,526 6,272 6,191 254 81 Subtotal 85,559 86,866 84,320 (1,307) 2,546 Elimination (122) (141) (154) 19 13 Total sendout by state 85,437 86,725 84,166 (1,288) 2,559 Utility customers: Residential water 859,331 850,673 842,200 8,658 8,473 Commercial water 43,853 43,119 42,864 734 255 Industrial water 1,283 1,286 1,331 (3) (45) Other water 19,123 18,446 17,932 677 514 Wastewater 190,119 181,721 162,478 8,398 19,243 Total water and wastewater utility customers 1,113,709 1,095,245 1,066,805 18,464 28,440 Operating revenues: Residential water $ 641,351 $ 607,473 $ 561,996 $ 33,878 $ 45,477 Commercial water 180,731 168,460 151,071 12,271 17,389 Industrial water 33,949 32,581 30,230 1,368 2,351 Other water 92,784 94,359 89,472 (1,575) 4,887 Wastewater 187,462 165,312 132,316 22,150 32,996 Other utility 17,099 14,787 15,118 2,312 (331) Total operating revenues $ 1,153,376 $ 1,082,972 $ 980,203 $ 70,404 $ 102,769 Operating expenses: Operations and maintenance expense $ 368,843 $ 370,850 $ 332,598 $ (2,007) $ 38,252 Depreciation and amortization $ 217,593 $ 201,392 $ 182,074 $ 16,201 $ 19,318 Taxes other than income taxes $ 62,759 $ 64,472 $ 63,264 $ (1,713) $ 1,208 Other expense, net $ 105,674 $ 84,396 $ 81,931 $ 21,278 $ 2,465 Provision for income taxes $ 57,546 $ 47,510 $ 26,633 $ 10,036 $ 20,877 Segment net income $ 340,961 $ 314,352 $ 293,703 $ 26,609 $ 20,649 Operating revenues - The growth in our Regulated Water segment’s revenues over the past three years is primarily a result of increases in our water and wastewater rates and our customer base.
The change in the effective tax rate is primarily due to a decrease in the amortization of certain regulatory liabilities associated with deferred taxes. 51 Table of Contents (In thousands of dollars, except per share amounts) Regulated Natural Gas Segment The following tables present the selected operating results and customers served for our Regulated Natural Gas segment for and as of the year ended December 31,: 2022 2021 2020 2022 vs. 2021 2021 vs. 2020 Gas utility customers: Residential gas 695,198 692,174 690,642 3,024 1,532 Commercial gas 59,684 59,595 59,424 89 171 Industrial gas 1,459 1,475 1,436 (16) 39 Total gas utility customers 756,341 753,244 751,502 3,097 1,742 Delivered volumes (thousand cubic feet) Residential gas 61,093,372 56,542,038 33,675,963 4,551,334 22,866,075 Commercial gas 37,240,382 33,403,899 20,082,555 3,836,483 13,321,344 Industrial gas 49,017,036 49,726,237 37,936,661 (709,201) 11,789,576 Total delivered volumes 147,350,790 139,672,174 91,695,179 7,678,616 47,976,995 Heating Degree Days (b) 5,648 5,139 3,013 509 2,126 Average Heating Degree Days (c) 5,438 5,466 2,973 (28) 2,493 2022 2021 2020 2022 vs. 2021 2021 vs. 2020 Operating revenues: Residential gas $ 720,490 $ 530,338 $ 314,274 $ 190,152 $ 216,064 Commercial gas 149,653 99,596 50,239 50,057 49,357 Industrial gas 5,636 3,427 6,923 2,209 (3,496) Gas transportation 205,825 198,195 133,685 7,630 64,510 Customer rate credits - (5,000) (18,924) 5,000 13,924 Other utility 61,758 33,346 20,367 28,412 12,979 Total operating revenues $ 1,143,362 $ 859,902 $ 506,564 $ 283,460 $ 353,338 Operating expenses: Operations and maintenance expense $ 239,506 $ 226,194 $ 198,383 $ 13,312 $ 27,811 Purchased gas $ 551,009 $ 313,390 $ 154,103 $ 237,619 $ 159,287 Depreciation and amortization $ 118,955 $ 113,238 $ 84,201 $ 5,717 $ 29,037 Taxes other than income taxes $ 22,642 $ 20,801 $ 13,307 $ 1,841 $ 7,494 Other expense, net $ 87,916 $ 78,099 $ 25,252 $ 9,817 $ 52,847 Income tax benefit $ (61,942) $ (40,013) $ (25,133) $ (21,929) $ (14,880) Segment net income $ 185,276 $ 148,193 $ 56,451 $ 37,083 $ 91,742 (a) Includes operating results since the completion of the Peoples Gas Acquisition on March 16, 2020.
The change in the effective tax rate is primarily due to a decrease in the amortization of certain regulatory liabilities associated with deferred taxes. 51 Table of Contents (In thousands of dollars, except per share amounts) Regulated Natural Gas Segment The following tables present the selected operating results and customers served for our Regulated Natural Gas segment for and as of the year ended December 31: 2023 2022 2021 2023 vs. 2022 2022 vs. 2021 Gas utility customers: Residential gas 683,811 695,198 692,174 (11,387) 3,024 Commercial gas 59,384 59,684 59,595 (300) 89 Industrial gas 551 1,459 1,475 (908) (16) Total gas utility customers 743,746 756,341 753,244 (12,595) 3,097 Delivered volumes (thousand cubic feet) Residential gas 51,698,440 61,093,372 56,542,038 (9,394,932) 4,551,334 Commercial gas 33,151,308 37,240,382 33,403,899 (4,089,074) 3,836,483 Industrial gas 48,323,846 49,017,036 49,726,237 (693,190) (709,201) Total delivered volumes 133,173,594 147,350,790 139,672,174 (14,177,196) 7,678,616 Heating Degree Days (a) 4,558 5,648 5,139 (1,090) 509 Average Heating Degree Days (b) 5,427 5,438 5,466 (11) (28) 2023 2022 2021 2023 vs. 2022 2022 vs. 2021 Operating revenues: Residential gas $ 519,406 $ 720,490 $ 530,338 $ (201,084) $ 190,152 Commercial gas 111,272 149,653 99,596 (38,381) 50,057 Industrial gas 3,232 5,636 3,427 (2,404) 2,209 Gas transportation 184,598 205,825 198,195 (21,227) 7,630 Customer rate credits - - (5,000) - 5,000 Other utility 45,251 61,758 33,346 (16,507) 28,412 Total operating revenues $ 863,759 $ 1,143,362 $ 859,902 $ (279,603) $ 283,460 Operating expenses: Operations and maintenance expense $ 209,073 $ 239,506 $ 226,194 $ (30,433) $ 13,312 Purchased gas $ 327,548 $ 551,009 $ 313,390 $ (223,461) $ 237,619 Depreciation and amortization $ 125,263 $ 118,955 $ 113,238 $ 6,308 $ 5,717 Taxes other than income taxes $ 23,846 $ 22,642 $ 20,801 $ 1,204 $ 1,841 Other expense, net $ 90,819 $ 87,916 $ 78,099 $ 2,903 $ 9,817 Income tax benefit $ (113,353) $ (61,942) $ (40,013) $ (51,411) $ (21,929) Segment net income $ 200,563 $ 185,276 $ 148,193 $ 15,287 $ 37,083 (a) Unit of measure reflecting temperature-sensitive natural gas consumption, calculated by subtracting the average of a day’s high and low temperatures from 65 degrees Fahrenheit; measured at Pittsburgh, PA.
Expenses associated with filing rate cases are deferred and amortized over periods that generally range from one to three years. 48 Table of Contents (In thousands of dollars, except per share amounts) Taxes other than income taxes totaled $90,024 in 2022 and $86,641 in 2021, and has increased by $3,383 or 3.9% in 2022 as compared to 2021 principally due to increase in pumping fees of $2,120.
Expenses associated with filing rate cases are deferred and amortized over periods that generally range from one to three years. Taxes other than income taxes totaled $90,208 in 2023 and $90,024 in 2022, and has increased by $184 or 0.2% in 2023 as compared to 2022.
Our other revenues consist of market-based revenues at Aqua Resources, Aqua Infrastructure, and our non-regulated natural gas operations amounting to $61,698 in 2022, $38,435 in 2021, and $17,776 in 2020. The increase in other revenues is primarily due to higher revenues from our non-regulated natural gas operations driven by higher gas prices.
Our Other business segment revenues consist of market-based revenues at Aqua Resources and our non-regulated natural gas operations amounting to $36,689 in 2023, $61,698 in 2022, and $38,435 in 2021.
The shares issued under the Plan are either original issue shares or shares purchased by the Company’s transfer agent in the open-market.
As of the December 2023 dividend payment, holders of 4.3% of the common shares outstanding participated in the dividend reinvestment portion of the Plan. The shares issued under the Plan are either original issue shares or shares purchased by the Company’s transfer agent in the open-market.