Biggest changeAdjusted EBITDA has limitations as an analytical tool, and you should not consider this financial measure either in isolation or as a substitute for analyzing our results as reported under GAAP. 38 Table of Contents The following table reconciles Adjusted EBITDA to Net income (loss) , the most comparable GAAP financial measure: Years Ended December 31, 2023 2022 2021 Net income (loss) $ (49,472) $ (509,553) $ (15,437) Interest (income) expense (8,222) (454) 296 Income tax expense (benefit) (5,093) (11,749) 254 Depreciation and amortization 252,354 107,950 26,324 EBITDA 189,567 (413,806) 11,437 Adjustments: Stock-based compensation expense 32,170 24,555 68,491 Acquisition-related costs — 78 21,198 Change in fair value of derivative asset (6,721) (71,418) (12,112) Change in fair value of contingent consideration — (159) 975 Realized gain on sale/exchange of long-term investment — — (26,260) Realized loss on sale of marketable equity securities — 8,996 — Unrealized (gain) loss on marketable equity securities — — 13,655 Loss (gain) on sale/exchange of equipment 5,336 (16,281) — Casualty-related charges (recoveries), net (5,974) 9,688 — Impairment of goodwill — 335,648 — Impairment of miners — 55,544 — Other (income) expense (260) 59 (2,378) License fees (97) (97) (97) Adjusted EBITDA $ 214,021 $ (67,193) $ 74,909 In addition to Adjusted EBITDA, we believe “Bitcoin Mining revenue in excess of cost of revenue, net of power curtailment credits”, “Data Center Hosting revenue in excess of cost of revenue, net of power curtailment credits”, “Cost of revenue – Bitcoin Mining, net of power curtailment credits” and “Cost of revenue – Data Center Hosting, net of power curtailment credits” are additional non-GAAP performance metrics that represent a key indicator of our core business operations of both Bitcoin Mining and Data Center Hosting. We believe our ability to offer power back to the grid at market-driven spot prices, thereby reducing our operating costs, is integral to our overall strategy, specifically our power management strategy and our commitment to supporting the ERCOT power grid.
Biggest changeAdjusted EBITDA has limitations as an analytical tool, and you should not consider this financial measure either in isolation or as a substitute for analyzing our results as reported under GAAP. 48 Table of Contents The following table reconciles Adjusted EBITDA to Net income (loss) , the most comparable GAAP financial measure: Years Ended December 31, 2024 2023 2022 Net income (loss) $ 109,401 $ (49,472) $ (509,553) Interest income (27,166) (11,076) (1,763) Interest expense 1,985 2,854 1,309 Income tax expense (benefit) 744 (5,093) (11,749) Depreciation and amortization 212,053 252,354 107,950 EBITDA 297,017 189,567 (413,806) Adjustments: Stock-based compensation expense 125,204 32,170 24,555 Acquisition-related costs 5,541 — 78 Change in fair value of derivative asset (45,277) (6,721) (71,418) Change in fair value of contingent consideration (2,459) — (159) Unrealized loss (gain) on equity method investment - marketable securities 69,489 — 8,996 Loss (gain) on sale/exchange of equipment 17,429 5,336 (16,281) Casualty-related charges (recoveries), net (2,795) (5,974) 9,688 Impairment of goodwill — — 335,648 Impairment of miners — — 55,544 Other (income) expense (863) (260) 59 License fees (97) (97) (97) Adjusted EBITDA $ 463,189 $ 214,021 $ (67,193) LIQUIDITY AND CAPITAL RESOURCES We generate non-cash revenue through mining Bitcoin at our Facilities, which we retain based on our Bitcoin Treasury Strategy, while financing operations and other expenses with cash typically raised through the issuance of our common stock under our ATM offering program.
Change in fair value of Bitcoin for the year ended December 31, 2023, was a gain of $184.7 million, and was recognized as a result of adopting Accounting Standards Update (“ASU”) No. 2023-08, Intangibles-Goodwill and Other-Crypto Assets (Subtopic 350-60): Accounting for and Disclosure of Crypto Assets (“ASU 2023-08”), effective January 1, 2023, under which Bitcoin is recognized at fair value with changes in fair value recognized in net income.
The change in fair value of Bitcoin for the year ended December 31, 2023 was a gain of $184.7 million, and was recognized as a result of adopting Accounting Standards Update (“ASU”) No. 2023-08, Intangibles-Goodwill and Other-Crypto Assets (Subtopic 350-60): Accounting for and Disclosure of Crypto Assets (“ASU 2023-08”), effective January 1, 2023, under which Bitcoin is recognized at fair value with changes in fair value recognized in net income.
We expect to generate ongoing revenue from Bitcoin rewards in connection with our Bitcoin Mining operations and our ability to liquidate Bitcoin rewards at future values will be regularly evaluated to generate cash for operations.
Revenue from Operations Bitcoin Mining We expect to generate ongoing revenue from Bitcoin rewards in connection with our Bitcoin Mining operations and our ability to liquidate Bitcoin rewards at future values will be regularly evaluated to generate cash for operations.
Depreciation and amortization expense during the years ended December 31, 2023 and 2022 totaled $252.4 million and $108.0 million, respectively. The increase of $144.4 million was primarily due to higher depreciation expense recognized for the Rockdale Facility and the significant increase in the number of recently acquired and deployed miners .
Depreciation and amortization expense during the years ended December 31, 2023 and 2022 totaled $252.4 million and $108.0 million, respectively, an increase of $144.4 million. The increase was primarily due to higher depreciation expense recognized for the Rockdale Facility and the significant increase in the number of recently acquired and deployed miners .
The increase of $32.9 million was primarily attributable to an increase in compensation expense, which increased by $12.2 million as a result of hiring additional employees to support our ongoing growth, increased stock-based compensation of $7.6 million due to the adoption of the long-term incentive plan and additional headcount, increased legal and professional fees of $8.1 million primarily related to ongoing litigation and public company compliance, and an increase of $5.0 million in other general operating costs such as insurance and information technology projects to support our growth.
The increase was primarily attributable to an increase in compensation expense, which increased by $12.2 million as a result of hiring additional employees to support our ongoing growth, increased stock-based compensation of $7.6 million due to the adoption of the long-term incentive plan and additional headcount, increased legal and professional fees of $8.1 million primarily related to ongoing litigation and public company compliance, and an increase of $5.0 million in other general operating costs such as insurance and information technology projects to support our growth .
Generating Bitcoin rewards, for example, which exceed our production and overhead costs will determine our ability to report profit margins related to such mining operations, although accounting for our reported profitability is significantly complex.
Generating Bitcoin rewards which exceed our production and overhead costs will determine our ability to report profit margins related to such Bitcoin Mining operations, although accounting for our reported profitability is significantly complex.
Customers are typically required to make periodic progress payments based on contractually agreed-upon milestones. If we are unable to generate sufficient revenue from our Bitcoin Mining, Data Center Hosting, or Engineering operations when needed or secure additional sources of funding, it may be necessary to significantly reduce our current rate of spending or explore other strategic alternatives.
Customers are typically required to make periodic progress payments based on contractually agreed-upon milestones. If we are unable to generate sufficient revenue from our Bitcoin Mining or Engineering operations when needed or secure additional sources of funding, it may be necessary to significantly reduce our current rate of spending or explore other strategic alternatives.
This MD&A should be read in conjunction with our Consolidated Financial Statements and the related notes that are included in Part II, Item 8. “Financial Statements and Supplementary Data” of this Annual Report. This MD&A generally discusses 2023 and 2022 items and year-to-year comparisons between 2023 and 2022.
This MD&A should be read in conjunction with our Consolidated Financial Statements and the related notes (the “Notes”) that are included in Part II, Item 8. “Financial Statements and Supplementary Data” of this Annual Report. This MD&A generally discusses 2024 and 2023 items and year-to-year comparisons between 2024 and 2023.
Changes in fair value of our derivative asset for the years ended December 31, 2023 and 2022 were gains of $6.7 million and $71.4 million, respectively, and were recorded to adjust the fair value of our PPA, which was classified as a derivative asset and measured at fair value.
The changes in fair value of our derivative asset for the years ended December 31, 2023 and 2022 were gains of $6.7 million and $71.4 million, respectively, and were recorded to adjust the fair value of the Rockdale PPA, which is classified as a derivative asset and measured at fair value.
In December 2022, the Rockdale Facility was damaged during severe winter storms in Texas, resulting in casualty- 37 Table of Contents related charges being recognized in 2023 and 2022. The income recognized during the year ended December 31, 2023, was the result of cash recoveries from insurance claims related to the December 2022 winter storms.
In December 2022, the Rockdale Facility was damaged during severe winter storms in Texas, resulting in casualty-related charges being recognized in 2023 and 2022. The income recognized during the year ended December 31, 2023, was the result of cash recoveries from insurance claims related to the December 2022 winter storms.
The gain on sale during the year ended December 31, 2022 was attributable to us exchanging approximately 5,700 Antminer model S19 Pro miners previously deployed at the Coinmint Facility for 5,000 factory-new Antminer model S19j Pro miners. Other income (expense) For the years ended December 31, 2023 and 2022, total other income (expense) was $8.5 million and ($8.6) million, respectively.
The gain on sale during the year ended December 31, 2022 was attributable to us exchanging approximately 5,700 Antminer model S19 Pro miners previously deployed at the Coinmint Facility for 5,000 factory-new Antminer model S19j Pro miners. 47 Table of Contents Other income (expense) For the years ended December 31, 2023 and 2022, total other income (expense) was $8.5 million and ($8.6) million, respectively.
Similarly, we have also experienced delays in certain of our miner delivery schedules and in our infrastructure development schedules due to constraints on the globalized supply chains for miners, electricity distribution equipment and construction materials.
We have experienced delays in certain of our miner delivery schedules and in our infrastructure development schedules due to constraints on globalized supply chains for miners, electricity distribution equipment, and construction materials.
We believe Adjusted EBITDA can be an important financial measure because it allows management, investors, and our board of directors to evaluate and compare our operating results, including our return on capital and operating efficiencies, from period-to-period by making such adjustments. Additionally, Adjusted EBITDA is used as a performance metric for share-based compensation.
We believe Adjusted EBITDA can be an important financial measure because it allows management, investors, and our Board to evaluate and compare our operating results, including our return on capital and operating efficiencies, from period-to-period by making such adjustments. Additionally, Adjusted EBITDA is used as a performance metric in our share-based compensation plan.
The ability to raise funds through the sale of equity, debt financings, or the sale of Bitcoin to maintain our operations is subject to many risks and uncertainties and, even if we were successful, future equity issuances or convertible debt offerings could result in dilution to our existing stockholders and any future debt or debt securities may contain covenants that limit our operations or ability to enter into certain transactions.
The ability to raise funds through the sale of equity, debt financings, or the sale of Bitcoin to maintain our operations is subject to many risks and uncertainties and any future equity issuances or convertible debt offerings could result in dilution to our existing stockholders and any future debt or debt securities may contain covenants that limit our operations or ability to enter into certain transactions.
Our Engineering business segment also provides electricity distribution product design, manufacturing, and installation services primarily focused on large-scale commercial and governmental customers and serves a broad scope of clients across a wide range of markets including data center, power generation, utility, water, industrial, and alternative energy. Products are custom built to client and industry specifications.
Our Engineering business also provides electricity distribution product design, manufacturing, and installation services primarily focused on large-scale commercial and governmental customers and serves a broad scope of clients across a wide range of markets including data center, power generation, utility, water, industrial, and alternative energy.
Significant Accounting Policies and Recent Accounting Pronouncements to our Consolidated Financial Statements for a description of applicable recent accounting pronouncements and any material impact on our financial statements. Off-Balance Sheet Arrangements We do not have any off-balance sheet arrangements.
Recently Issued and Adopted Accounting Pronouncements See Note 2. Significant Accounting Policies and Recent Accounting Pronouncements for a description of applicable recent accounting pronouncements and any material impact on our financial statements. Off-Balance Sheet Arrangements We do not have any off-balance sheet arrangements.
Discussions of 2021 items and year-to-year comparisons between 2022 and 2021 are not included, and can be found in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.
Discussions of 2022 items and year-to-year comparisons between 2023 and 2022 not impacted by the elimination of the Data Center Hosting reportable segment are not included in this MD&A, and can be found in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2023.
Engineering and other specialized talent employed in our Engineering business segment also allows us to continue to explore new methods to optimize and develop a best-in-class Bitcoin Mining operation and has been instrumental in the development of our industrial-scale immersion-cooled Bitcoin mining hardware.
The specialized talent employed in our Engineering business allows us the opportunity to explore new methods to optimize and develop best-in-class Bitcoin Mining operations and have been instrumental in the development of our industrial-scale immersion-cooled Bitcoin mining hardware.
The changes in fair value were due to changes in future power prices over the applicable period. Power curtailment credits during the years ended December 31, 2023 and 2022 were $71.2 million and $27.3 million, respectively, and represent sales of unused power under our PPA and participation in ancillary services under ERCOT Demand Response Services Programs.
Power curtailment credits during the years ended December 31, 2023 and 2022 were $71.2 million and $27.3 million, respectively, and represent sales of unused power under the Rockdale PPA and participation in ancillary services under ERCOT Demand Response Services Programs.
The increase of $32.1 million was primarily due to a 19.3% increase in the number of Bitcoin mined in the 2023 period as compared to the 2022 period as a result of an increase in miners deployed, partially offset by an increase in the Bitcoin network difficulty. Additionally, we continued employing our power strategy to significantly reduce overall power costs.
The increase of $32.1 million was primarily due to a 19 .3% increase in the number of Bitcoin mined in the 2023 period as compared to the 2022 period, which was primarily the result of an increase in miners deployed, partially offset by an increase in the Bitcoin network difficulty.
Our custom electrical products such as switchgear and power distribution centers are used as important components in data center development and in power generation and distribution facilities, and there has been increased demand for these products due to the continued increase in data center construction by developers, as well as the continually increasing worldwide demand for power.
Our custom electrical products are used as important components in data center development and in power generation and distribution facilities. There has been increased demand for these products due to the escalated interest in data center construction, as well as the growing worldwide demand for power.
The decrease of $1.0 million was primarily attributable to supply chain constraints resulting in decreased receipts of materials, delaying the completion of certain custom products, and therefore, the recognition of revenue.
For the years ended December 31, 2023 and 2022, Engineering revenue was $64.3 million and $65.3 million, respectively. The decrease of $1.0 million was primarily attributable to supply chain constraints resulting in decreased receipts of materials, delaying the completion of certain custom products, and therefore, the recognition of revenue.
During the year ended December 31, 2023, we sold 6,185 Bitcoin for proceeds of approximately $176.2 million. We monitor our balance sheet on an ongoing basis and evaluate the level of Bitcoin retained from monthly production in consideration of our cash requirements for ongoing operations and expansion.
We monitor our balance sheet on an ongoing basis and evaluate the level of Bitcoin retained from monthly production in consideration of our cash requirements for ongoing operations and expansion.
These credits are recognized in power curtailment credits in the statements of operations, outside of cost of revenue, but significantly reduce our overall cost to mine Bitcoin.
These credits are recognized in Power curtailment credits on our Consolidated Statements of Operations, outside of cost of revenue, but significantly reduce our overall cost to mine Bitcoin. (4) We capitalize the acquisition cost of our miners and include these costs in Property and equipment, net on our Consolidated Balance Sheets.
Through the date of this Annual Report, we have been able to effectively and efficiently mitigate delivery delays to avoid materially impacting our miner deployment schedule, however, we cannot guarantee that we will be able to continue to mitigate any such delivery delays in the future. Additionally, the development of our new Corsicana Facility requires large quantities of construction materials, specialized electricity distribution equipment and other component parts that can be difficult to source.
We have also experienced delays in our Engineering business segment’s manufacturing and delivery schedule, and in our infrastructure development schedules, resulting from constraints on the globalized supply chains for miners, electricity distribution equipment and construction materials. Through the date of this Annual Report, we have been able to effectively and efficiently mitigate delivery delays to avoid materially impacting our miner deployment schedule, however, we cannot guarantee that we will be able to continue to mitigate any such delivery delays in the future.
“Risk Factors” of this Annual Report for additional discussion regarding potential impacts our competitive and evolving industry may have on our business. Global Logistics Global supply logistics have caused delays across all channels of distribution.
“Risk Factors” of this Annual Report for additional discussion regarding potential impacts our competitive and evolving industry may have on our business. Recent Events Affecting the Company For the year ended December 31, 2024, we continued to experience an inflationary environment and global supply chain logistics issues across all channels of distribution.
Additionally, we are developing the Corsicana Facility, a second large-scale Bitcoin mining data center facility, which, upon completion, is expected to have approximately one gigawatt of capacity available for our own Bitcoin mining and data center hosting services for institutional-scale hosted clients.
Additionally, we are developing our second large-scale Bitcoin mining facility, the Corsicana Facility, which currently provides 400 MW in developed capacity. Upon completion, the Corsicana Facility is expected to have approximately one GW of capacity available.
Management believes this focus will positively affect each of Riot’s three business segments by providing more capacity for our Bitcoin Mining and Data Center Hosting operations, and by capitalizing on supply chain efficiencies garnered through our Engineering segment.
Management believes a focus on vertical integration will positively affect each of our business segments by providing increased capacity for our Bitcoin Mining operations, more opportunities for implementing our proprietary power strategy, and by positioning us to capitalize on supply chain efficiencies and electrical engineering services garnered through our Engineering segment.
Selling, general and administrative expenses during the years ended December 31, 2023 and 2022 totaled $100.3 million and $67.5 million, respectively. Selling, general and administrative expenses consist of stock-based compensation, legal and professional fees, and other personnel and related costs.
Selling, general and administrative expenses consist of stock-based compensation, legal and professional fees, and other personnel and related costs.
Despite such challenges in the ecosystem, Riot continues to focus on building long-term stockholder value by taking strategic action to vertically integrate our business, utilizing the Rockdale Facility and developing the Corsicana Facility.
We continue to focus on building long-term stockholder value by taking strategic actions to further vertically-integrate our business at the current Rockdale Facility, developing the Corsicana Facility, and having acquired the Kentucky Facility and E4A Solutions.
We reported a net loss of $49.5 million during the year ended December 31, 2023. The net loss included $91.7 million in non-cash income items, primarily consisting of $189.0 million of Bitcoin revenue and $184.7 million in Change in fair value of Bitcoin, partially offset by depreciation and amortization of $252.4 million.
During the year ended December 31, 2024, we reported net income of $109.4 million, which included $395.7 million in non-cash net gains, primarily consisting of revenue recognized from Bitcoin mined of $321.0 million, $457.4 million in change in fair value of Bitcoin, and the change in fair value of the derivative asset of $45.3 million, partially offset by depreciation and amortization of $212.1 million, stock-based compensation of $125.2 million, and the unrealized loss on marketable securities of $69.5 million.
Stock-based compensation We account for share-based payment awards exchanged for services at the estimated grant date fair value of the award, which is based on the fair market value of our common stock at the time of the grant.
Stock-based Compensation Stock-based compensation expense related to share-based payment awards is recognized at the grant date of the award and is estimated based on the fair market value of our common stock on the date of the grant. Compensation cost for performance-based, share-based payment awards is recognized over the performance period when achievement of the milestones and targets becomes probable.
We have procured and already hold many of the required materials to help navigate challenges related to global supply logistics and mitigate any inflationary pricing concerns that may come from global supply delays. We continue to monitor developments in the global supply chain and assess their potential impact on our expansion plans. 35 Table of Contents Summary of Bitcoin Mining Results The following table presents additional information about our Bitcoin Mining activities, including Bitcoin production and sales of the Bitcoin mined: Quantity Amounts Balance as of January 1, 2021 1,078 $ 10,186 Revenue recognized from Bitcoin mined 3,812 184,422 Exchange of Bitcoin for employee compensation (6) (295) Realized gain on sale/exchange of Bitcoin — 253 Impairment of Bitcoin — (43,973) Balance as of December 31, 2021 4,884 150,593 Revenue recognized from Bitcoin mined 5,554 156,870 Proceeds from sale of Bitcoin (3,425) (79,529) Exchange of Bitcoin for employee compensation (39) (1,495) Realized gain on sale/exchange of Bitcoin — 30,346 Impairment of Bitcoin — (147,365) Balance as of December 31, 2022 6,974 109,420 Cumulative effect upon adoption of ASU 2023-08 — 5,994 Revenue recognized from Bitcoin mined 6,626 188,996 Bitcoin receivable (21) (878) Proceeds from sale of Bitcoin (6,185) (176,219) Exchange of Bitcoin for employee compensation (32) (869) Change in fair value of Bitcoin — 184,734 Balance as of December 31, 2023 7,362 $ 311,178 Results of Operations Comparative Results for the Years Ended December 31, 2023 and 2022 Revenue Total revenue for the years ended December 31, 2023 and 2022, was $280.7 million and $259.2 million, respectively, and consisted of our Bitcoin Mining revenue, Data Center Hosting revenue, Engineering revenue, and other revenue.
Delivery of these miners occurred in the third quarter of 2024, and deployment commenced upon delivery. For the year ended December 31, 2024, Bitcoin Mining revenue was approximately $321.0 million. Summary of Bitcoin Activity The following tables present additional information about our own Bitcoin Mining activities, including Bitcoin production, purchases, and sales: Quantity Amounts Balance as of January 1, 2022 4,884 $ 150,593 Revenue recognized from Bitcoin mined 5,554 156,870 Proceeds from sale of Bitcoin (3,425) (79,529) Exchange of Bitcoin for employee compensation (39) (1,495) Realized gain on sale/exchange of Bitcoin — 30,346 Impairment of Bitcoin — (147,365) Balance as of December 31, 2022 6,974 109,420 Cumulative effect upon adoption of ASU 2023-08 — 5,994 Revenue recognized from Bitcoin mined 6,626 188,996 Bitcoin receivable (21) (878) Proceeds from sale of Bitcoin (6,185) (176,219) Exchange of Bitcoin for employee compensation (32) (869) Change in fair value of Bitcoin — 184,734 Balance as of December 31, 2023 7,362 311,178 Revenue recognized from Bitcoin mined 4,828 321,002 Bitcoin receivable 5 (625) Acquisitions of Bitcoin 5,784 577,500 Proceeds from sale of Bitcoin (212) (9,518) Exchange of Bitcoin for employee compensation (45) (2,478) Change in fair value of Bitcoin — 457,409 Balance as of December 31, 2024 17,722 $ 1,654,468 40 Table of Contents Data Center Hosting In 2023, we made the decision to stop pursuing new hosting contracts and end our legacy contracts, to focus on our self-mining efforts.
The Rockdale Facility currently provides 700 MW in total developed capacity for our Bitcoin mining and data center hosting services for institutional-scale hosted clients. Our Rockdale Facility is believed to be the largest Bitcoin mining facility in North America, as measured by developed capacity.
We own and operate multiple Bitcoin mining sites in the United States with two locations in Texas, consisting of the Rockdale Facility and the Corsicana Facility, and the Kentucky Facility. The Rockdale Facility is believed to be the largest Bitcoin mining facility in North America, as measured by developed capacity, and currently provides 700 MW in total developed capacity.
The Company will continue to monitor its cash needs and expects to sell Bitcoin in the future to fund its cash expenditures. Impairment of long-lived assets Management reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable.
Long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable, which is determined based on a comparison of the carrying amount of an asset to undiscounted future cash flows expected to be generated by the asset.
The costs consisted primarily of direct materials and labor, as well as indirect manufacturing costs. The increase was primarily due to increased cost of labor and materials, partially offset by decreased receipts of materials resulting from increased competition for direct materials due to supply chain constraints.
The increase was primarily due to increased cost of labor and materials, partially offset by decreased receipts of materials resulting from increased competition for direct materials due to supply chain constraints. Selling, general and administrative expenses for the years ended December 31, 2023 and 2022, totaled $100.3 million and $67.5 million, respectively, an increase of approximately $32.8 million.
Forward Looking Statements This MD&A includes forward-looking statements based upon current expectations that involve risks and uncertainties, such as our plans, objectives, expectations, and intentions. Actual results and the timing of events could differ materially from those anticipated in these forward-looking statements as a result of a number of factors.
For a discussion of our business, see Part I, Item 1. “Business” of this Annual Report. Forward Looking Statements This MD&A includes forward-looking statements based upon current expectations that involve risks and uncertainties, such as our plans, objectives, expectations, and intentions.
Costs and expenses Cost of revenue for Bitcoin Mining for the years ended December 31, 2023 and 2022 was $96.6 million and $74.3 million, respectively, representing an increase of approximately $22.3 million. As a percentage of Bitcoin Mining revenue, cost of revenue totaled 51.1% and 47.4% for each of the years ended December 31, 2023 and 2022, respectively.
Cost of revenue for Bitcoin Mining excludes depreciation and amortization, which are stated separately on our Consolidated Statements of Operations. Cost of revenue for Engineering for the years ended December 31, 2023 and 2022 was $60.6 million and $57.5 million, respectively, an increase of approximately $3.1 million.
The increase was primarily due to the increase in mining capacity at the Rockdale Facility, which requires more headcount and direct costs necessary to maintain and support the mining operations.
This increase of approximately $92.6 million was primarily due to the increase in Bitcoin Mining capacity at the Rockdale Facility and commencement of Bitcoin Mining activities at the Corsicana Facility, both of which require additional headcount and direct costs necessary to maintain and support our expanded Bitcoin Mining operations, as well as the absorption of other costs previously included in our former Data Center Hosting segment.
Through December 31, 2023, we had incurred costs of approximately $217.8 million related to the development of the Corsicana Facility, which consisted of $10.1 million for land, $203.0 million of initial developments costs and equipment and a $4.7 million deposit for future power usage. We expect to incur costs of approximately $115.2 million during the first half of 2024.
As of December 31, 2024, we deployed 400 MW of Bitcoin Mining infrastructure comprised of four completed 100 MW buildings, Buildings A1, A2, B1, and B2. Through December 31, 2024, we incurred costs of approximately $415.9 million related to the development of the first phase of the Corsicana Facility, which consisted of $10.1 million for land and $405.8 million of initial developments costs and equipment.
During the year ended December 31, 2022, we received gross proceeds of approximately $304.8 million ($298.2 million, net of $6.6 million in commissions and expenses), from the sale of 37,052,612 shares of common stock at an average fair value of $8.23 per share under the 2022 ATM Offering.
During the year ended December 31, 2024 and 2023, we issued and sold approximately 90.6 million shares and 62.2 million shares, respectively, of our common stock under our ATM offering program for aggregate net proceeds (net of sales commissions and expenses) of $956.6 million and $761.8 million, respectively.
As we grow our business, we continue to focus on deploying our efficient Bitcoin mining fleet, at scale, while realizing the benefits of being an owner and operator of our Bitcoin Mining and Data Center Hosting facilities. We anticipate companies in our industry will continue to experience challenges, and that 2024 will be a period of consolidation in the Bitcoin mining industry.
We continue to focus on deploying our efficient Bitcoin mining fleet, at scale, while realizing the benefits of being an owner and operator of our Bitcoin Mining facilities. Grid Curtailment The PUCT, ERCOT, and Oncor collectively oversee the regulatory, administrative, and delivery aspects of our power supply in Texas; MISO oversees our power supply in Kentucky.
During the year ended December 31, 2023, we continued to deploy miners at our Rockdale Facility and continued development activities at the Corsicana Facility, with the objective of increasing our operational efficiency and performance in the future. As of December 31, 2023, our Bitcoin Mining business segment operated 112,944 miners, with a hash rate capacity of 12.4 EH/s. During the year ended December 31, 2023, we mined 6,626 Bitcoin, which represented an increase of 19.3% over the 5,554 Bitcoin we mined in the year ended December 31, 2022.
We are organized in two business segments: Bitcoin Mining and Engineering. Bitcoin Mining During the year ended December 31, 2024, we continued development activities at the Corsicana Facility, acquired the Kentucky Facility and deployed miners at all our Facilities, with the objective of increasing our operational efficiency and performance in the future.
For the year ended December 31, 2023, Data Center Hosting revenue was approximately $27.3 million. 33 Table of Contents Engineering Our Engineering business segment designs and manufacturers power distribution equipment and custom engineered electrical products that provide us with the ability to vertically integrate many of the critical electrical components and engineering services necessary for our Corsicana Facility development and Rockdale Facility expansions and to reduce our execution and counter-party risk in ongoing and future expansion projects.
The products allow us to vertically-integrate many critical electrical components and engineering services necessary for our site developments and to reduce our execution and counter-party risk in ongoing and future expansion projects.
We bill the customer at a fixed monthly fee or at an hourly rate. Revenue is recognized as these services are provided. Engineering Substantially all engineering revenue is derived from the sale of custom products built to customers’ specifications under fixed-price contracts.
See the discussion of risks affecting our business under Part I, Item 1A. “Risk Factors” of this Annual Report. Engineering Substantially all Engineering revenue is derived from the sale of custom products built to customers’ specifications under fixed-price contracts.
Development of the Corsicana Facility Data Center During the year ended December 31, 2022, we announced the initiation of a large-scale development to expand our Bitcoin mining and data center hosting capabilities in Navarro County, Texas with the acquisition of a 265-acre site where the anticipated one-gigawatt Corsicana Facility is being constructed.
Contractual Commitments and Obligations As of December 31, 2024, we had a remaining commitment of approximately $1.0 million due to MicroBT for the contractual purchase of miners, which was paid in full in January 2025. 49 Table of Contents Development of the Corsicana Facility During the year ended December 31, 2022, we announced our planned development of the Corsicana Facility, our second large-scale Bitcoin Mining facility located on a 265-acre site in Navarro County, Texas.
We received approval from ERCOT for the entire one-gigawatt capacity. The initial phase of the development of the Corsicana Facility involves the construction on the 265-acre site of 400 MW of immersion-cooled Bitcoin mining and data center hosting infrastructure spread across multiple buildings, as well as a high-voltage power substation and transmission facilities to supply power to the facility.
The initial phase of the development of the Corsicana Facility involved the construction of a 400 MW substation and an equal amount of immersion-cooled Bitcoin Mining infrastructure spread across multiple buildings, as well as construction of various utilities, offices, warehouses, and infrastructure to support the facility’s operations. Our Bitcoin Mining operations commenced in April 2024, following commissioning of the substation.
With the sale and issuance of these shares, all $500.0 million in shares of our common stock available for sale under the 2022 ATM Offering had been issued. Legal Proceedings We have been named a defendant in several class action and other investor related lawsuits as more fully described in Note 17. Commitments and Contingencies to our Consolidated Financial Statements.
The remaining sales agreements were terminated as of August 9, 2024. Legal Proceedings We have been named a defendant in several lawsuits as more fully described in Note 17. Commitments and Contingencies .