Biggest changeThese increases are partially offset by a decrease in filter media replacement costs related to varying replacement schedules. — Transmission, distribution and collection costs increased $0.3 million, primarily associated with tank painting costs and maintenance and repair of transmission mains. — Purchased power costs increased $0.2 million due to an increase in usage in wastewater and water operations. — Purchased water costs decreased $0.5 million, primarily related to a decrease of water purchased under contract, in which the minimum amount of water required to be purchased was reduced in July 2022. 25 Table of Contents Non-utility operating expenses decreased $2.4 million, or 35.4%, primarily due to a decrease in costs associated with a wastewater infrastructure design and construction contract.
Biggest changeThe increase in utility operating expenses consists of a $1.1 million increase in supply and treatment costs, a $0.9 million increase in payroll and employee benefits costs, a $0.5 million increase in each of transmission, distribution and collection system costs and administrative costs, a $0.3 million increase in purchased power costs and a $0.2 million increase in purchased water costs. 23 Table of Contents Non-utility operating expenses increased $0.3 million, or 7.1%, primarily due to an increase in plumbing repair costs associated with the SLP Plans and an increase in payroll and employee benefits costs.
As of December 31, 2023, we were in compliance with these covenants. Long-term debt obligations reflect the maturities of certain series of our first mortgage bonds, which we intend to refinance when due if not refinanced earlier. One first mortgage bond is subject to redemption in a principal amount equal to $150,000 plus interest per calendar quarter.
As of December 31, 2024, we were in compliance with these covenants. Long-term debt obligations reflect the maturities of certain series of our first mortgage bonds, which we intend to refinance when due if not refinanced earlier. One first mortgage bond is subject to redemption in a principal amount equal to $150,000 plus interest per calendar quarter.
Percentage of Operating and Maintenance Expenses 2023 2022 2021 Payroll and Associated Expenses 49.5 % 47.5 % 49.2 % Administrative 16.9 15.3 15.7 Supply and Treatment 11.9 10.8 9.4 Purchased Power 5.7 5.2 4.8 Transmission, Distribution and Collection 4.6 4.1 2.7 Purchased Water 2.7 3.6 9.5 Non-utility Operating 8.7 13.5 8.7 Total 100.0 % 100.0 % 100.0 % The ratio of operating expense, excluding depreciation and income taxes, to total revenue was 57.4% for the year ended December 31, 2023, compared to 57.1% for the year ended December 31, 2022.
Percentage of Operating and Maintenance Expenses 2024 2023 2022 Payroll and Associated Expenses 47.7 % 49.5 % 47.5 % Administrative 16.7 16.9 15.3 Supply and Treatment 13.3 11.9 10.8 Purchased Power 5.8 5.7 5.2 Transmission, Distribution and Collection 5.1 4.6 4.1 Purchased Water 2.8 2.7 3.6 Non-utility Operating 8.6 8.7 13.5 Total 100.0 % 100.0 % 100.0 % The ratio of operating expense, excluding depreciation and income taxes, to total revenue was 56.4% for the year ended December 31, 2024, compared to 57.4% for the year ended December 31, 2023.
Material Cash Requirements Lines of Credit and Long-Term Debt At December 31, 2023, Artesian Resources had a $40 million line of credit with Citizens Bank, or Citizens, which is available to all subsidiaries of Artesian Resources. As of December 31, 2023, there was $40.0 million of available funds under this line of credit.
Material Cash Requirements Lines of Credit and Long-Term Debt At December 31, 2024, Artesian Resources had a $40 million line of credit with Citizens Bank, or Citizens, which is available to all subsidiaries of Artesian Resources. As of December 31, 2024, there was $40.0 million of available funds under this line of credit.
Cash flow from operating activities is primarily provided by our utility operations and is impacted by the timeliness and adequacy of rate increases and changes in water consumption as a result of year-to-year variations in weather conditions, particularly during the summer.
Cash flows from operating activities is primarily provided by our utility operations and is impacted by the timeliness and adequacy of rate increases and changes in water consumption as a result of year-to-year variations in weather conditions, particularly during the summer.
Artesian Development owns two nine-acre parcels of land, located in Sussex County, Delaware, which will allow for construction of a water treatment facility and wastewater treatment facility. CRITICAL ACCOUNTING ESTIMATES Critical accounting estimates are those we believe are most important to portraying the financial condition and results of operations and also require significant estimates, assumptions or other judgments by management.
Artesian Development owns two nine-acre parcels of land, located in Sussex County, Delaware, which allows for construction of a water treatment facility and wastewater treatment facility. CRITICAL ACCOUNTING ESTIMATES Critical accounting estimates are those we believe are most important to portraying the financial condition and results of operations and also require significant estimates, assumptions or other judgments by management.
At December 31, 2023, Artesian Water had a $20 million line of credit with CoBank, ACB, or CoBank, that allows for the financing of operations for Artesian Water, with up to $10 million of this line available for the operations of Artesian Water Maryland.
At December 31, 2024, Artesian Water had a $20 million line of credit with CoBank, ACB, or CoBank, that allows for the financing of operations for Artesian Water, with up to $10 million of this line available for the operations of Artesian Water Maryland.
See our Notes to Consolidated Financial Statements - Note 13 – Regulatory Proceedings. We will continue to borrow on available lines of credit in order to satisfy current liquidity needs. In addition, the Company has a long history of paying regular quarterly dividends as approved by our Board of Directors using net cash from operating activities.
See Note 13 – Regulatory Proceedings. We will continue to borrow on available lines of credit in order to satisfy current liquidity needs. In addition, the Company has a long history of paying regular quarterly dividends as approved by our Board of Directors using net cash from operating activities.
ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS OVERVIEW Our profitability is primarily attributable to the sale of water and wastewater services in our regulated utility business. Our regulated utility segment comprised 93.1% o f total operating revenues for the year ended December 31, 2023 and 90.7% for the year ended December 31, 2022.
ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS OVERVIEW Our profitability is primarily attributable to the sale of water and wastewater services in our regulated utility business. Our regulated utility segment comprised 93.5% o f total operating revenues for the year ended December 31, 2024 and 93.1% for the year ended December 31, 2023.
IMPACT OF RECENTLY ISSUED ACCOUNTING STANDARDS See Note 19 (Impact of Recent Accounting Pronouncements) to our Consolidated Financial Statements for a full description of the impact of recent accounting pronouncements.
IMPACT OF RECENTLY ISSUED ACCOUNTING STANDARDS See Note 18 (Impact of Recent Accounting Pronouncements) to our Consolidated Financial Statements for a full description of the impact of recent accounting pronouncements.
The DEPSC and MDPSC have generally recognized the operating and capital costs associated with these improvements in setting water and wastewater rates for current customers and capacity charges for new customers. In our non-utility subsidiaries, we continue pursuing opportunities to expand our contract operations.
The DEPSC and MDPSC have generally recognized the operating and capital costs associated with these improvements in setting water and wastewater rates for current customers and capacity charges for new customers. 21 Table of Contents In our non-utility subsidiaries, we continue pursuing opportunities to expand our contract operations.
Depreciation and amortization expense increased $0.7 million, or 5.7%, primarily due to continued investment in utility plant providing supply, treatment, storage and distribution of water to customers and service to our wastewater customers.
Depreciation and amortization expense increased $0.3 million, or 2.2%, primarily due to continued investment in utility plant providing supply, treatment, storage and distribution of water to customers and service to our wastewater customers.
In addition, payments for unconditional purchase obligations reflect minimum water purchase obligations based on a contract rate under our interconnection agreement with the Town of North East, which expires June 26, 2024. The agreement includes two automatic five-year renewal terms, unless terminated by either party.
In addition, payments for unconditional purchase obligations reflect minimum water purchase obligations based on a contract rate under our interconnection agreement with the Town of North East, which expires June 26, 2029. The agreement includes a remaining automatic five-year renewal term, unless terminated by either party.
Percentage of Operating Revenues 2023 2022 2021 Water Sales Residential 50.1 % 48.7 % 53.0 % Commercial 17.9 17.6 19.4 Industrial 0.1 0.1 0.1 Government and Other 12.9 12.8 13.2 Other utility operating revenues 12.3 11.6 7.9 Non-utility operating revenues 6.7 9.2 6.4 Total 100.0 % 100.0 % 100.0 % 24 Table of Contents Residential Residential water service revenues in 2023 amounted to $49.6 million, an increase of $1.5 million, or 3.0%, above the $48.1 million recorded in 2022, primarily due to an increase in overall water consumption and a temporary rate increase placed into effect on November 28, 2023.
Percentage of Operating Revenues 2024 2023 2022 Water Sales Residential 50.1 % 50.1 % 48.7 % Commercial 18.0 17.9 17.6 Government and Other 13.5 13.0 12.9 Other utility operating revenues 12.1 12.3 11.6 Non-utility operating revenues 6.3 6.7 9.2 Total 100.0 % 100.0 % 100.0 % Residential Residential water service revenues in 2024 amounted to $53.9 million, an increase of $4.4 million, or 8.8%, above the $49.6 million recorded in 2023, primarily due to a rate increase placed into effect on November 28, 2023 and an increase in overall water consumption.
We realized 81.0% and 79.2% of our total operating revenue for the years ended December 31, 2023 and December 31, 2022, respectively, from the sale of water. Other utility operating revenue increased approximately $0.7 million, or 6.0%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
We realized 81.6% and 81.0% of our total operating revenue for the years ended December 31, 2024 and December 31, 2023, respectively, from the sale of water. Other utility operating revenue increased approximately $0.9 million, or 7.7%, for the year ended December 31, 2024 compared to the year ended December 31, 2023.
We expect to fund our activities for the next twelve months using our projected cash generated from operations, bank credit lines, state revolving fund loans, government grants, and other capital market financing as needed to provide sufficient working capital to maintain normal operations, to meet our financing requirements and to expand through strategic acquisitions.
We expect to fund our activities for the next twelve months using our projected cash generated from operations, bank credit lines, and capital market financing as needed to provide sufficient working capital to maintain normal operations, to meet our financing requirements and to expand through strategic acquisitions.
As of December 31, 2023, the number of metered water customers in Delaware increased approximately 1.3% compared to December 31, 2022. The number of metered water customers in Maryland increased approximately 1.3% compared to December 31, 2022. The number of metered water customers in Pennsylvania remained consistent compared to December 31, 2022.
As of December 31, 2024, the number of metered water customers in Delaware increased approximately 1.6% compared to December 31, 2023. The number of metered water customers in Maryland increased approximately 2.3% compared to December 31, 2023. The number of metered water customers in Pennsylvania remained consistent compared to December 31, 2023.
The agreement is effective from January 1, 2022 through December 31, 2026, includes automatic five-year renewal terms, unless terminated by either party, and has a “take or pay” clause which required us to purchase water on a step-down schedule through July 5, 2022 and now requires us to purchase a minimum of 0.5 million gallons per day.
The agreement is effective from January 1, 2022 through December 31, 2026, includes automatic five-year renewal terms, unless terminated by either party, and has a “take or pay” clause which currently requires us to purchase a minimum of 0.5 million gallons of water per day.
Our strategy includes focused efforts to expand in new regions surrounding our service territory through strategic acquisitions. We plan to expand our regulated water service area in the Cecil County designated growth corridor and to expand our business through the design, construction, operation, management and acquisition of additional water systems.
Our strategy includes focused efforts to expand through strategic acquisitions and in new regions added to our Delaware service territory over the last 10 years. We plan to expand our regulated water service area in the Cecil County designated growth corridor and to expand our business through the design, construction, operation, management and acquisition of additional water systems.
Investment Activities The primary focus of our investment in 2023 was to continue to provide high quality, reliable service to our growing service territory. Capital expenditures during 2023 were $62.2 million compared to $48.5 million invested during the same period in 2022.
Investment Activities The primary focus of our investment in 2024 was to continue to provide high quality, reliable service to our growing service territory. Capital expenditures during 2024 were $45.9 million compared to $62.2 million invested during the same period in 2023.
While actual usage for individual customers may differ materially from the estimate, we believe the overall total estimate of consumption and revenue for the fiscal period will not differ materially from actual billed consumption. We record accounts receivable at the invoiced amounts.
While actual usage for individual customers may differ from the estimate, we believe the overall total estimate of consumption and revenue for the fiscal period will not differ materially from actual billed consumption.
We have not experienced conditions that would result in our default under these agreements. The asset purchase contractual obligation is related to the purchase of substantially all of the water operating assets from the Town of Clayton, or Clayton, in May 2022, by Artesian Water. The total purchase price was $5.0 million. At closing, Artesian Water paid approximately $3.4 million.
We have not experienced conditions that would result in our default under these agreements. 26 Table of Contents The asset purchase contractual obligation is related to the purchase of substantially all of the water operating assets from the Town of Clayton in May 2022, by Artesian Water. The total purchase price was $5.0 million.
Property and other taxes increased $0.2 million, or 3.9%, primarily due to an increase in utility plant subject to taxation and an increase in payroll taxes, related to increased payroll related expenses. Property taxes are assessed on land, buildings and certain utility plant, which include the footage and size of pipe, hydrants and wells.
Property and other taxes increased $0.2 million, or 3.6%, primarily due to an increase in New Castle County, Delaware tax rates on utility plant, an increase in utility plant subject to taxation and an increase in payroll taxes. Property taxes are assessed on land, buildings and certain utility plant, which include the footage and size of pipe, hydrants and wells.
Other Utility Operating Revenue Other utility operating revenue, derived from regulated wastewater services, contract operations, antenna leases on water tanks, finance/service charges, wastewater customer service revenues and industrial wastewater service revenues , increased 6.0%, to $12.2 million in 2023 from $11.5 million in 2022.
Other Utility Operating Revenue Other utility operating revenue, derived from regulated wastewater services, contract operations, antenna leases on water tanks, finance/service charges, wastewater customer service revenues and industrial wastewater service revenues , increased 7.7%, to $13.1 million in 2024, from $12.2 million in 2023.
Such tax-related regulatory assets and liabilities are reported at the revenue requirement level and amortized to income as the related temporary differences reverse, generally over the lives of the related properties. Our long-lived assets consist primarily of utility plant in service and regulatory assets.
Such tax-related regulatory assets and liabilities are reported at the revenue requirement level and amortized to income as the related temporary differences reverse, generally over the lives of the related properties.
The volume of water sold to residential customers increased to 4,340 million gallons in 2023 compared to 4,209 million gallons in 2022, a 3.1% increase. The number of residenti al customers served increased by approximately 1,300, or 1.4%, in 2023.
The volume of water sold to residential customers increased to 4,522 million gallons in 2024 compared to 4,340 million gallons in 2023, a 4.2% increase. The number of residenti al customers served increased by approximately 1,500, or 1.7%, in 2024.
Water sales and other operating revenue increased $2.4 million and other income increased $0.8 million, offset by a $2.4 million decrease in non-utility operating revenue, a $1.4 million increase in total operating expenses and $0.7 million increase in interest charges. Part I, Item 7.
Total revenue increased $9.1 million and interest charges decreased $0.4 million, offset by a $5.4 million increase in total operating expenses and $0.4 million decrease in other income. Part I, Item 7.
Adjustments to reflect changes in recoverability of certain deferred regulatory assets or certain deferred regulatory liabilities may have a significant effect on our financial results. 23 Table of Contents Deferred income taxes are provided in accordance with FASB ASC Topic 740 on all differences between the tax basis of assets and liabilities and the amounts at which they are carried in the consolidated financial statements based on the enacted tax rates expected to be in effect when such temporary differences are expected to reverse.
Deferred income taxes Deferred income taxes are provided in accordance with FASB ASC Topic 740 on all differences between the tax basis of assets and liabilities and the amounts at which they are carried in the consolidated financial statements based on the enacted tax rates expected to be in effect when such temporary differences are expected to reverse.
Approximately $6.6 million will be invested in the construction of force mains used for the transmission of wastewater to plants. Approximately $5.8 million will be invested in general plant, which includes vehicles and other heavy duty operations related equipment, replacement computer hardware and software, equipment upgrades, new corporate automation, station security upgrades, radio communication upgrades and building renovations.
Approximately $7.5 million will be invested in general plant, which includes vehicles and other heavy duty operations related equipment, replacement computer hardware and software, equipment upgrades, new corporate automation, station security upgrades, radio communication upgrades and building renovations.
This decrease is primarily due to a decrease in contract service revenue related to a contract for the design and construction of wastewater infrastructure now nearing completion, partially offset by an increase in Service Line Protection Plan revenue.
This increase is primarily due to an increase in SLP Plan revenue, partially offset by a decrease in contract service revenue related to a contract for the design and construction of wastewater infrastructure that was mostly completed in prior years .
The expansion of our exclusive franchise areas elsewhere in Maryland and the award of contracts will similarly enhance our operations within the state. Our ability to develop partnerships with various county governments, municipalities and developers has provided a number of opportunities.
The expansion of our exclusive franchise areas elsewhere in Maryland and the award of contracts will similarly enhance our operations within the state. Our ability to develop partnerships with various county governments, municipalities and developers has provided a number of opportunities. In recent years, we have completed several acquisitions including asset purchase agreements with municipal and developer/homeowner association operated systems.
Estimates are made on an individual customer basis, using one of three methods: the previous year’s consumption in the same period, the previous billing period’s consumption, or averaging.
As actual usage amounts are received, adjustments are made to the unbilled estimates in the next billing cycle based on the actual results. Estimates are made on an individual customer basis, using one of three methods: the previous year’s consumption in the same period, the previous billing period’s consumption, or averaging.
Operating Expenses Operating expenses, excluding depreciation and income taxes, increased $0.2 million, or 0.4%, for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Operating Expenses Operating expenses, excluding depreciation and income taxes, increased $4.1 million, or 7.3%, for the year ended December 31, 2024 compared to the year ended December 31, 2023. Utility operating expenses increased $3.6 million, or 7.8%.
Payments for unconditional purchase obligations reflect minimum water purchase obligations based on rates that are subject to change under an interconnection agreement with the Chester Water Authority.
These fixed rate electric supply contracts are for normal purchases and are not derivative instruments. Payments for unconditional purchase obligations reflect minimum water purchase obligations based on rates that are subject to change under an interconnection agreement with the Chester Water Authority.
Our strategy has included a focus on building strategic partnerships with county governments, municipalities and developers. By providing water and wastewater services, we believe we are positioned as the primary resource for developers and communities throughout the Delmarva Peninsula seeking to fill both needs simultaneously.
By providing water and wastewater services, we believe we are positioned as the primary resource for developers and communities throughout the Delmarva Peninsula seeking to fill both needs simultaneously.
We expect that our net investments in utility plant in 2024 will be approximately $51.6 million. Our total obligations related to interest and principal payments on indebtedness, rental payments, elevated storage tank agreements and water service interconnection agreements for 2024 are anticipated to be approximately $12.0 million.
Our total obligations related to interest and principal payments on indebtedness, rental payments, elevated storage tank agreements and water service interconnection agreements for 2025 are anticipated to be approximately $11.6 million.
The interest rate is a one-month SOFR plus 10 basis points, or Term SOFR, plus an applicable margin of 0.85%, which was increased to 1.10% effective August 3, 2023. Term SOFR cannot be less than 0.00%. This is a demand line of credit and therefore the financial institution may demand payment for any outstanding amounts at any time.
The interest rate is a one-month Daily Secured Overnight Financing Rate, or SOFR, plus 10 basis points, or Term SOFR, plus an applicable margin of 0.85%, which was increased to 1.10% effective August 3, 2023. Term SOFR cannot be less than 0.00%.
Water sales revenue increased $1.7 million, or 2.2%, for the year ended December 31, 2023 from the corresponding period in 2022, primarily as a result of a temporary rate increase of net 7.50% of gross water sales placed into effect on November 28, 2023, as permitted under Delaware law, until permanent rates are determined by the DEPSC, and an increase in overall water consumption.
Water sales revenue increased $8.0 million, or 10.1%, for the year ended December 31, 2024 from the corresponding period in 2023, primarily as a result of a temporary rate increase of 14.6% of gross water sales placed into effect on November 28, 2023, as permitted under Delaware law.
It is not currently providing these services in Maryland. The majority of our residential and commercial wastewater customers are billed a flat monthly fee, and our large industrial wastewater customer is billed monthly based on wastewater flow, which contributes to providing a revenue stream unaffected by weather.
The majority of our residential and commercial wastewater customers are billed a flat monthly fee, and our large industrial wastewater customer is billed monthly based on wastewater flow, which contributes to providing a revenue stream unaffected by weather. As of December 31, 2024, the number of Delaware wastewater customers increased approximately 6.5% compared to December 31, 2023.
Approximately $8.8 million will be invested in the relocations of facilities as a result of government mandates. Approximately $7.2 million will be invested into the ongoing construction of a regional wastewater treatment plant along with improvements to existing wastewater treatment plants and wastewater pumping stations. Approximately $6.2 million will be invested in renewals associated with the rehabilitation of aging infrastructure.
Approximately $5.8 million will be invested in the ongoing construction of a regional wastewater treatment plant along with improvements to existing wastewater treatment plants and wastewater pumping stations. Approximately $4.0 million will be invested in the relocation of facilities because of government mandates. Approximately $2.7 million will be invested to upgrade elevated storage tanks.
In October 2022, this line of credit was amended to replace the previous interest rate options with a daily SOFR rate plus 1.45% option or a term SOFR rate plus 1.45% option that is locked in for either one or three months. The term of this line of credit expires on October 31, 2024.
As of December 31, 2024, there was $20.0 million of available funds under this line of credit. The interest rate for borrowings under this line is either a daily SOFR rate plus 1.45% option or a term SOFR rate plus 1.45% option that is locked in for either one or three months.
The term of this line of credit expires on the earlier of May 20, 2024 or any date on which Citizens demands payment. The Company expects to renew this line of credit.
This is a demand line of credit and therefore the financial institution may demand payment for any outstanding amounts at any time. The term of this line of credit expires on the earlier of May 19, 2025 or any date on which Citizens demands payment. The Company expects to renew this line of credit.
This increase is primarily due to an increase in wastewater revenue associated with customer growth and an increase in fee revenue related to inspections and service and finance charges. Non-Utility Operating Revenue Non-utility operating revenue, derived from non-regulated water and wastewater operations, decreased by 26.9%, to $6.6 million in 2023 from $9.1 million in 2022.
This increase is primarily due to an increase in wastewater revenue associated with an increase in the number of customers served. Non-Utility Operating Revenue Non-utility operating revenue, derived from non-regulated water and wastewater operations, increased by 1.7%, to $6.7 million in 2024 from $6.6 million in 2023.
We record water service revenue, including amounts billed to customers, on a cycle basis and unbilled amounts based upon estimated usage from the date of the last meter reading to the end of the accounting period. As actual usage amounts are received, adjustments are made to the unbilled estimates in the next billing cycle based on the actual results.
Senior management has discussed the selection and development of our critical accounting estimates with the Audit Committee of the Board of Directors. Revenues We record water service revenue, including amounts billed to customers, on a cycle basis and unbilled amounts based upon estimated usage from the date of the last meter reading to the end of the accounting period.
Artesian Water expects to renew this line of credit.
The term of this line of credit expires on October 31, 2025. Artesian Water expects to renew this line of credit.
Operating Activities One of our primary sources of liquidity for the year ended December 31, 2023 was $31.9 million provided by cash flow from operating activities, compared to $24.3 million for the year ended December 31, 2022.
Operating Activities One of our primary sources of liquidity for the year ended December 31, 2024 was $36.8 million provided by cash flow from operating activities, compared to $31.9 million for the year ended December 31, 2023. The increase in cash flows from operating activities is primarily due to changes in net income, materials and supplies, and income tax receivable.
In January 2022, following the acquisition of Tidewater Environmental Services, Inc. dba Artesian Wastewater, or TESI, assumed an electricity supply contract with WGL Energy that is effective through December 2024. These fixed rate electric supply contracts are for normal purchases and are not derivative instruments.
In January 2022, following the acquisition of Tidewater Environmental Services, Inc. dba Artesian Wastewater, or TESI, assumed an electric supply contract with WGL Energy that was effective through December 2024. In November 2024, TESI entered into a short-term electric supply contract with WGL Energy effective December 2024 through May 2025. The fixed rate was increased 44.4% starting in December 2024.
Commercial Water service revenues from commercial customers in 2023 increased by 0.9%, to $17.6 million in 2023 from $17.5 million in 2022, primarily due to a temporary rate increase placed into effect on November 28, 2023.
Commercial Water service revenues from commercial customers in 2024 amounted to $19.4 million, an increase of $1.8 million, or 10.1%, above the $17.6 million in 2023, primarily due to a rate increase placed into effect on November 28, 2023.
The Company’s material cash requirements include the following lines of credit commitments and contractual obligations: Material Cash Requirements Payments Due by Period In thousands Less than 1 Year 1-3 Years 4-5 Years After 5 Years Total First mortgage bonds (principal and interest) $ 7,902 $ 15,714 $ 40,610 $ 204,564 $ 268,790 State revolving fund loans (principal and interest) 979 2,147 2,068 10,287 15,481 Promissory note (principal and interest) 1,200 1,923 1,924 9,652 14,699 Asset purchase contractual obligation (principal and interest) 339 659 320 --- 1,318 Lines of credit --- --- --- --- --- Operating leases 35 70 64 1,429 1,598 Operating agreements 76 112 109 749 1,046 Unconditional purchase obligations 870 1,762 114 312 3,058 Tank painting contractual obligation 626 313 --- --- 939 Total contractual cash obligations $ 12,027 $ 22,700 $ 45,209 $ 226,993 $ 306,929 Artesian’s long-term debt agreements and revolving lines of credit contain customary affirmative and negative covenants that are binding on us (which are in some cases subject to certain exceptions), including, but not limited to, restrictions on our ability to make certain loans and investments, guarantee certain obligations, enter into, or undertake, certain mergers, consolidations or acquisitions, transfer certain assets or change our business.
The Company’s material cash requirements include the following lines of credit commitments and contractual obligations: Material Cash Requirements Payments Due by Period In thousands Less than 1 Year 1-3 Years 4-5 Years After 5 Years Total First mortgage bonds (principal and interest) $ 7,870 $ 15,659 $ 39,045 $ 198,313 $ 260,887 State revolving fund loans (principal and interest) 1,144 2,130 2,130 9,662 15,066 Promissory note (principal and interest) 962 1,924 1,925 8,689 13,500 Asset purchase contractual obligation (principal and interest) 333 647 --- --- 980 Lines of credit --- --- --- --- --- Operating leases 28 56 42 1,321 1,447 Operating agreements 38 31 4 --- 73 Unconditional purchase obligations 928 1,000 114 260 2,302 Tank painting contractual obligation 313 --- --- --- 313 Total contractual cash obligations $ 11,616 $ 21,447 $ 43,260 $ 218,245 $ 294,568 Artesian’s long-term debt agreements and revolving lines of credit contain customary affirmative and negative covenants that are binding on us (which are in some cases subject to certain exceptions), including, but not limited to, restrictions on our ability to make certain loans and investments, guarantee certain obligations, enter into, or undertake, certain mergers, consolidations or acquisitions, transfer certain assets or change our business.
The volume of water sold to industrial customers increased to 10.3 million gallons in 2023 from 9.6 million gallons in 2022. Government and Other Government and other water service revenues in 2023 increased by 0.8%, to $12.7 million in 2023 from $12.6 million in 2022, primarily due to a temporary rate increase placed into effect on November 28, 2023.
Government and Other Government and other water service revenues in 2024 amounted to $14.7 million, an increase of $1.9 million, or 14.8%, above the $12.8 million in 2023, primarily due to a rate increase placed into effect on November 28, 2023 and an increase in overall water consumption.
Funds from these liquidity sources were used to invest $62.2 million in capital expenditures and to pay dividends of approximately $11.2 million. We depend on the availability of capital for expansion, construction and maintenance. We rely on our sources of liquidity for investments in our utility plant and to meet our various payment obligations.
We depend on the availability of capital for expansion, construction and maintenance. We rely on our sources of liquidity for investments in our utility plant and to meet our various payment obligations. 24 Table of Contents We expect that our net investments in utility plant in 2025 will be approximately $46.4 million.
In addition, since closing the transaction with TESI noted below, Artesian’s Delaware wastewater subsidiaries are the sole regional regulated wastewater utilities in Delaware, which we believe will enable us to increase efficiencies in the treatment and disposal of wastewater and provide additional opportunities to expand our wastewater operations. 22 Table of Contents On January 14, 2022, Artesian Wastewater acquired TESI, a wholly-owned subsidiary of Middlesex Water Company, or Middlesex, that provides regulated wastewater services in Delaware.
In addition, Artesian’s Delaware wastewater subsidiaries are the sole regional regulated wastewater utilities in Delaware, which we believe will enable us to increase efficiencies in the treatment and disposal of wastewater and provide additional opportunities to expand our wastewater operations.
We have several sources of liquidity to finance our investment in utility plant and other fixed assets. Our primary source of liquidity from financing activities for the year ended December 31, 2023 was $37.1 million in net proceeds from the issuance of Class A Non-Voting Stock.
Cash flows provided by financing activities decreased due to the net proceeds from the issuance of Class A Non-Voting Stock in May 2023 and June 2023 as well as decreased contributions in aid of construction and borrowings on lines of credit. We have several sources of liquidity to finance our investment in utility plant and other fixed assets.
Results of Operations 2023 Compared to 2022 Operating Revenues Revenues totaled $98.9 million for each of the years ended December 31, 2023 and December 31, 2022 .
Results of Operations 2024 Compared to 2023 Operating Revenues Revenues totaled $108.0 million for the year ended December 31, 2024, an increase of $9.1 million, or 9.2%, over the revenues for the year ended December 31, 2023 .
The volume of water sold to commercial customers decreased to 2,231 million gallons in 2023 compared to 2,232 million gallons sold in 2022, a decrease of 0.1%. Industrial Water service revenues from industrial customers increased to $84,000 in 2023 from $79,000 in 2022.
The volume of water sold to commercial customers increased to 2,277 million gallons in 2024 compared to 2,231 million gallons sold in 2023, an increase of 2.1%.
The volume of water sold to government and other customers decreased to 1,250 million gallons in 2023 compared to 1,337 million gallons in 2022, a decrease of 6.5%.
The volume of water sold to government and other customers increased to 1,320 million gallons in 2024 compared to 1,260 million gallons in 2023, an increase of 4.8%.
Other Income Other income increased $0.8 million, primarily due to a $0.7 million increase in AFUDC, as a result of higher long-term construction activity subject to AFUDC for the year ended December 31, 2023 compared to the same period in 2022. Miscellaneous income increased $0.1 million related to an increase in the annual patronage refund from CoBank, ACB.
Other Income Other income decreased $0.4 million, primarily due to a decrease in allowance for funds used during construction, or AFUDC, as a result of lower long-term construction activity subject to AFUDC for the twelve months ended December 31, 2024 compared to the same period in 2023.
The following chart summarizes our investment in plant and systems over the past three fiscal years In thousands 2023 2022 2021 Source of supply, treatment and pumping $ 20,327 $ 14,158 $ 9,681 Transmission and distribution 26,886 17,712 20,951 General plant 4,553 3,856 1,739 Developer financed utility plant 8,301 8,038 6,866 Wastewater facilities 3,353 5,613 2,133 Allowance for Funds Used During Construction, AFUDC, equity portion (1,243 ) (894 ) (556 ) Total $ 62,177 $ 48,483 $ 40,814 Of the $55.6 million gross investment expected in 2024, approximately $16.4 million will be invested in upgraded PFAS treatment equipment, the rehabilitation and upgrading of two elevated storage tanks, booster station improvements, and equipment and wells throughout Delaware, Maryland, and Pennsylvania to identify, develop, treat, and protect sources of water supply to assure uninterrupted service to our customers.
The following chart summarizes our investment in plant and systems over the past three fiscal years In thousands 2024 2023 2022 Source of supply, treatment and pumping $ 4,796 $ 18,339 $ 9,100 Transmission and distribution 31,683 37,175 30,808 General plant 2,251 4,553 3,856 Wastewater facilities 8,346 3,353 5,613 Allowance for Funds Used During Construction, AFUDC, equity portion (1,134 ) (1,243 ) (894 ) Total $ 45,942 $ 62,177 $ 48,483 Of the $62.6 million gross investment expected in 2025 approximately $16.2 million will be for extending transmission and distribution facilities to address service needs in growth areas of our service territory.
“Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2022 Annual Report on Form 10-K includes a comparative discussion of the years ended December 31, 2022 and 2021 and is incorporated herein by reference. 26 Table of Contents Liquidity and Capital Resources Overview The Company’s primary sources of liquidity for the year ended December 31, 2023 were $37.1 million in net proceeds from the issuance of Class A Non-Voting Stock, $31.9 million of cash provided by operating activities and $22.5 million in net contributions and advances from developers.
“Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2023 Annual Report on Form 10-K includes a comparative discussion of the years ended December 31, 2023 and 2022 and is incorporated herein by reference.
For the year ended December 31, 2023, approximately 8.7 billion gallons of water were distributed in our Delaware systems and approximately 105.5 million gallons of water were distributed in our Maryland systems.
For the year ended December 31, 2024, approximately 9.4 billion gallons of water were distributed in our Delaware systems and approximately 106.7 million gallons of water were distributed in our Maryland systems. Regulated Wastewater Subsidiaries Artesian Wastewater and TESI own wastewater collection and treatment infrastructure and provide regulated wastewater services to customers in Sussex County, Delaware.
As of December 31, 2023, the number of Delaware wastewater customers increased approximately 6.3% compared to December 31, 2022. Non-Utility Subsidiaries Artesian Utility provides contract water and wastewater operation services to private, municipal, and governmental institutions. Artesian Utility also offers three protection plans to customers: the WSLP Plan, the SSLP Plan, and the ISLP Plan.
Non-Utility Subsidiaries Artesian Utility provides contract water and wastewater operation services to private, municipal, and governmental institutions. Artesian Utility also offers three protection plans to customers: the WSLP Plan, the SSLP Plan, and the ISLP Plan. SLP Plan customers are billed a flat monthly or quarterly rate, which contributes to providing a revenue stream unaffected by weather.
The remaining $1.6 million is payable in equal annual installments on the anniversary date of the closing date. Each annual installment is payable with interest at an annual rate of 2.0%. In order to control purchased power cost, in February 2021, Artesian Water entered into an electric supply contract with MidAmerican that is effective from May 2021 to May 2025.
At closing, Artesian Water paid approximately $3.4 million. The balance is payable in five equal annual installments on the anniversary date of the closing date. Each annual installment is payable with interest at an annual rate of 2.0%.
The Company's investment for 2024 is expected to be offset by developer contributions of $4.0 million for a net investment of $51.6 million in 2024. The Company believes the net investment in utility plant will continue to be recovered through rates charged to customers.
The Company believes the net investment in utility plant will continue to be recovered through rates charged to customers. 25 Table of Contents Financing Activities For the year ended December 31, 2024, cash flows provided by financing activities were $7.1 million, compared to $31.4 million for the year ended December 31, 2023.
Additionally, we will refund $0.6 million to customers, real estate developers and builders related to previous advances for construction they provided to Artesian for distribution facilities on their properties. 27 Table of Contents Our projected capital expenditures and other investments are subject to periodic review, and revision to reflect changes in economic conditions and other factors.
Approximately $2.7 million will be invested in the construction of force mains used for the transmission of wastewater to plants. Additionally, we will refund $0.5 million to customers, real estate developers and builders related to previous advances for construction they provided to Artesian for distribution facilities on their properties.
This increase is primarily due to an increase in wastewater revenue associated with customer growth and an increase in fee revenue related to inspections and service and finance charges. Non-utility operating revenue decreased approximately $2.4 million, or 26.9%, for the year ended December 31, 2023 compared to the same period in 2022.
This increase is primarily due to an increase in wastewater revenue associated with an increase in the number of customers served. 22 Table of Contents Non-utility operating revenue increased approximately $0.1 million, or 1.7%, for the year ended December 31, 2024 compared to the same period in 2023, primarily due to an increase in SLP Plan revenue, partially offset by a decrease in contract service revenue related to a contract for the design and construction of wastewater infrastructure that was mostly completed in prior years.
Strategic Direction and Recent Developments Our strategy is to increase customer growth, revenues, earnings and dividends by expanding our water, wastewater and SLP Plan services across the Delmarva Peninsula. We remain focused on providing superior service to our customers and continuously seek ways to improve our efficiency and performance.
As of December 31, 2024, the eligible customers enrolled in the WSLP Plan, the SSLP Plan and the ISLP Plan increased 3.1%, 4.0% and 2.2%, respectively, compared to December 31, 2023. 20 Table of Contents Strategic Direction and Recent Developments Our strategy is to increase customer growth, revenues, earnings and dividends by expanding our water, wastewater and SLP Plan services across the Delmarva Peninsula.
Federal and state income tax expense increased $0.5 million, or 8.2%, primarily due to the recognition of additional valuation allowances on deferred tax assets related to state net operating losses and stock options exercised in the year of 2022, with no similar activity in 2023, partially offset by lower pre-tax income in 2023 compared to 2022.
Federal and state income tax expense increased $1.0 million, or 15.2%, primarily due to higher pre-tax income, lower state net operating loss valuation allowance, and higher regulatory deferred income tax amortization in 2024 compared to 2023.
Short-term debt interest expense increased $0.1 million, primarily related to higher interest rates. The average short-term interest rate for the twelve months ended December 31, 2023 was 6.27% compared to 3.04% for the same period in 2022. Net Income Our net income applicable to common stock decreased $1.3 million, or 7.2%.
Interest Charges Interest charges decreased $0.4 million, primarily due to a decrease in short-term debt interest related to lower borrowing levels on the Company’s lines of credit. Net Income Our net income applicable to common stock increased $3.7 million, or 22.1%.
During 2023, we invested in our rehabilitation program for transmission and distribution facilities by replacing aging or deteriorating mains, installation of new mains, enhancing or improving existing treatment facilities, construction of new water storage tanks, and replacing aging wells and pumping equipment to better serve our customers. We also continue to invest in wastewater treatment and distribution facilities.
During 2024, these investments include relocation of facilities as a result of government mandates, renewals associated with the rehabilitation of aging infrastructure, installation of new mains, upgrading elevated storage tanks, purchase of new transportation equipment, upgrading and replacing our meter reading equipment, construction of a new wastewater treatment plant and upgrading existing pumping stations to better serve our customers .