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Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2023

Derivative Instruments [Abstract]

Schedule of volume of GRE's outstanding contracts and options

Settlement Dates		Volume
		Electricity (in MWH)				Gas (in Dth)
Fourth quarter 2023			789,300				19,152
First quarter 2024			13,040				1,137,500
Second quarter 2024			—				—
Third quarter of 2024			24,208				—
Fourth quarter of 2024			—				—
First quarter of 2025			—				225,000
Second quarter of 2025			—				227,500
Third quarter of 2025			—				230,000
Fourth quarter of 2025			—				230,000
First quarter of 2026			—				—
Second quarter of 2026			—				—
Third quarter of 2026			3,520				—

Schedule of fair value of outstanding derivative instruments recorded as assets and liability

Asset Derivatives		Balance Sheet Location		September 30, 2023				December 31, 2022
				(in thousands)
Derivatives not designated or not qualifying as hedging instruments:
Energy contracts and options1		Other current assets		$	865			$	2,799
Energy contracts and options		Other assets			730				1,261
Total derivatives not designated or not qualifying as hedging instruments — Assets				$	1,595			$	4,060
Liability Derivatives		Balance Sheet Location		September 30, 2023				December 31, 2022
				(in thousands)
Derivatives not designated or not qualifying as hedging instruments:
Energy contracts and options1		Other current liabilities		$	2,380			$	1,800
Energy contracts and options		Other liabilities			12				1,057
Total derivatives not designated or not qualifying as hedging instruments — Liabilities				$	2,392			$	2,857

(1) The Company classifies derivative assets and liabilities as current based on the cash flows expected to be incurred within the following 12 months.

Schedule of derivative instruments on the consolidated statements of operations

					Amount of (Loss) Gain Recognized on Derivatives
Derivatives not designated or not qualifying as			Location of Gain Recognized		Three Months Ended September 30,								Nine Months Ended September 30,
hedging instruments			on Derivatives			2023				2022				2023				2022
					(in thousands)								(in thousands)
Energy contracts and options			Cost of revenues		$	(4,461	)		$	35,011			$	(21,590	)		$	102,060

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Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

+ References

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-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E

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Tabular disclosure of the notional amounts of outstanding derivative positions.

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-Topic 815
-SubTopic 10
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Tabular disclosure of derivative instrument not designated or qualifying as hedging instrument.

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-Topic 815
-SubTopic 10
-Section 50
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