Biggest change(Dollars in thousands) Year Ended December 31, 2022 Year Ended December 31, 2021 $ Change % Change Cryptocurrency mining revenue $ 24,409 10,932 13,477 123 % Data hosting revenue $ 4,138 3,413 725 21 % Operating costs and expenses: Cost of cryptocurrency mining revenue, exclusive of depreciation $ 14,281 3,504 10,777 308 % Depreciation costs associated with cryptocurrency mining $ 18,708 2,122 16,586 782 % Cost of data hosting revenue $ 3,517 2,444 1,073 44 % General and administrative expenses, exclusive of depreciation and amortization $ 19,203 9,170 10,033 109 % Depreciation and amortization associated with general and administrative expenses $ 9,506 1,581 7,925 501 % Impairment on equity investment $ 750 - 750 100 % Impairment on fixed assets $ 47,372 - 47,372 100 % Operating loss $ (84,790 ) (4,476 ) (80,314 ) 1,794 % Other income, net $ 22 11 11 100 % Interest expense $ (8,375 ) (1,879 ) (6,496 ) 346 % Loss on sale of fixed assets $ (4,089 ) - (4,089 ) (100 )% Loss on debt extinguishment and revaluation, net $ (11,130 ) - (11,130 ) (100 )% Loss before income taxes from continuing operations $ (108,362 ) (6,344 ) (102,018 ) 1,608 % Income tax benefit (expense) from continuing operations $ 1,346 (44 ) 1,390 (3,159 )% Net loss from continuing operations $ (107,016 ) (6,388 ) (100,628 ) 1,575 % Income before income taxes from discontinued operations (including gain on sale of MTI Instruments of $7,751 for the year ended December 31, 2022) $ 7,921 1,087 6,834 629 % Income tax benefit from discontinued operations $ - 40 (40 ) (100 )% Net income from discontinued operations $ 7,921 1,127 6,794 603 % Net loss $ (99,095 ) (5,261 ) (93,834 ) 1,784 % Net loss attributable to non-controlling interest $ (380 ) - (380 ) (100 )% Net loss attributable to Soluna Holdings, Inc. $ (98,715 ) (5,261 ) (93,454 ) 1,776 % Cryptocurrency Mining Revenue : Cryptocurrency revenue consists of revenue recognized from SCI’s cryptocurrency mining operations.
Biggest change(Dollars in thousands) Year Ended December 31, 2023 Year Ended December 31, 2022 $ Change % Change Cryptocurrency mining revenue $ 10,602 24,409 (13,807 ) (57 )% Data hosting revenue 10,196 4,138 6,058 146 % Demand response service revenue 268 - 268 100 % Operating costs and expenses: Cost of cryptocurrency mining revenue, exclusive of depreciation 6,365 14,226 (7,861 ) (55 )% Cost of data hosting revenue, exclusive of depreciation 5,601 3,572 2,029 57 % Costs of revenue- depreciation 3,863 18,708 (14,845 ) (79 )% General and administrative expenses, exclusive of depreciation and amortization 15,390 19,203 (3,813 ) (20 )% Depreciation and amortization associated with general and administrative expenses 9,513 9,506 7 - % Impairment on equity investment - 750 (750 ) (100 )% Impairment on fixed assets 575 47,372 (46,797 ) (99 )% Operating loss (20,241 ) (84,790 ) 64,549 (76 )% Other (expense) income, net (1,479 ) 22 (1,501 ) (6,823 )% Interest expense (2,748 ) (8,375 ) 5,627 (67 )% Loss on sale of fixed assets (398 ) (4,089 ) 3,691 (90 )% Loss on debt extinguishment and revaluation, net (3,904 ) (11,130 ) 7,226 (65 )% Loss before income taxes from continuing operations (28,770 ) (108,362 ) 79,592 (73 )% Income tax benefit (expense) from continuing operations 1,067 1,346 (279 ) (21 )% Net loss from continuing operations (27,703 ) (107,016 ) 79,313 (74 )% Net income from discontinued operations - 7,921 (7,921 ) (100 )% Net loss (27,703 ) (99,095 ) 71,392 (72 )% Net income (loss) attributable to non-controlling interest 1,498 (380 ) 1,878 (494 )% Net loss attributable to Soluna Holdings, Inc. $ (29,201 ) (98,715 ) 69,514 (70 )% 36 The following table summarizes the balances for the Project sites for cryptocurrency mining revenue, data hosting revenue, cost of cryptocurrency mining revenue, exclusive of depreciation, cost of data hosting revenue, exclusive of depreciation, and cost of depreciation during the year ended December 31, 2023: (Dollars in thousands) Project Dorothy 1B Project Dorothy 1A Project Sophie Project Marie Other Total Cryptocurrency mining revenue $ 6,849 $ - $ 2,984 $ 769 $ - $ 10,602 Data hosting revenue - 6,876 3,021 276 23 10,196 Demand response services - - 268 268 Total revenue $ 6,849 $ 6,876 $ 6,005 $ 1,045 $ 291 $ 21,066 Cost of cryptocurrency mining, exclusive of depreciation $ 3,358 $ - 2,206 801 - 6,365 Cost of data hosting revenue, exclusive of depreciation - 4,366 1,030 205 - 5,601 Cost of revenue- depreciation 1,816 755 1,154 136 2 3,863 Total cost of revenue $ 5,174 $ 5,121 $ 4,390 $ 1,142 $ 2 $ 15,829 The following table summarizes the balances for the Project sites for cryptocurrency mining revenue, data hosting revenue, cost of cryptocurrency mining revenue, exclusive of depreciation, cost of data hosting revenue, exclusive of depreciation, and cost of depreciation during the year ended December 31, 2022: (Dollars in thousands) Project Dorothy 1B Project Dorothy 1A Project Sophie Project Marie Other Total Cryptocurrency mining revenue $ - $ - $ 13,221 $ 10,028 $ 1,160 $ 24,409 Data hosting revenue - - - 4,131 7 4,138 Demand response services - - - - - - Total revenue $ - $ - $ 13,221 $ 14,159 $ 1,167 $ 28,547 Cost of cryptocurrency mining, exclusive of depreciation $ 54 $ - 7,471 6,048 653 14,226 Cost of data hosting revenue, exclusive of depreciation - 54 - 3,518 - 3,572 Cost of revenue- depreciation - - 10,597 7,813 298 18,708 Total cost of revenue $ 54 $ 54 $ 18,068 $ 17,379 $ 951 $ 36,506 37 Cryptocurrency Mining Revenue : Cryptocurrency revenue consists of revenue recognized from Soluna’s cryptocurrency mining operations.