BASIS OF PRESENTATION - Reclassifications (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating revenues	$ 17,266,215				$ 29,381,650
Fuel expenses	7,414,014	$ 3,678,210	$ 10,084,466	$ 9,188,165	10,019,985
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Fuel expenses		2,348,457	8,466,588	8,626,671	9,338,394
Revision of Prior Period, Reclassification, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Fuel expenses		1,329,753	1,617,878	561,494	681,591
Energy
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating revenues	$ 2,730,986	15,577,441	13,071,894	7,691,226	9,044,392
Energy | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating revenues		14,247,688	11,454,016	7,129,732	8,362,801
Energy | Revision of Prior Period, Reclassification, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating revenues		$ 1,329,753	$ 1,617,878	$ 561,494	$ 681,591