SUPPLEMENTAL BALANCE SHEET AND CASH FLOW INFORMATION (Tables)

3 Months Ended

Mar. 31, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Contract Liability Rollforward

Changes in the contract liability balance for the three months ended March 31, 2026 were as follows:

$ in thousands	Contract Liabilities
Balance as of December 31, 2025	$	2,320
Revenue recognized	(366)
Deposits received	960
Balance as of March 31, 2026	$	2,914

Schedule of Prepaid and Other Current Assets

The following table provides additional details of prepaid expenses and other current assets as of March 31, 2026 and December 31, 2025:

$ in thousands	March 31, 2026		December 31, 2025
Prepaid insurance	$	620	$	956
Other	738		586
Total	$	1,358	$	1,542

Schedule of Other Long-term Assets

The following table provides additional details of other long-term assets as of March 31, 2026 and December 31, 2025:

$ in thousands	March 31, 2026		December 31, 2025
Restricted investments - environmental trust	$	1,757	$	1,341
Security deposit	351		351
Other	456		464
Other long-term assets	$	2,564	$	2,156

Schedule of Supplemental Cash Flow Information

Greenidge had the following non-cash investing and financing activities:

	Three Months Ended March 31,
$ in thousands	2026		2025
Property and equipment purchases in accounts payable	$	34	$	34
Common stock issued in exchange for reduction in debt	$	—	$	815
Shares issued to settle extension fees and accrued interest for stand-by letters of credit	$	127	$	1,370

The following table provides supplemental cash flow information for cash paid for interest:

	Three Months Ended March 31,
$ in thousands	2026		2025
Cash paid for interest	$	844	$	1,434