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Note 5 - Other Investments (Tables)

9 Months Ended

Jun. 30, 2025

Notes Tables

Investment [Table Text Block]

Balance Sheet location:		June 30, 2025				September 30, 2024
Other Assets:
MVP		$	20,717,161			$	20,948,347
Southgate			159,769				108,875
Investment in unconsolidated affiliates		$	20,876,930			$	21,057,222

		Nine Months Ended June 30,
		2025				2024
Cash investment		$	50,894			$	8,743
Equity in earnings of unconsolidated affiliate			2,427,470				2,979,823
Distribution from unconsolidated affiliate			(2,658,656	)			—
Change in investment in unconsolidated affiliates		$	(180,292	)		$	2,988,566

Equity Method Investments [Table Text Block]

		Income Statements
		Three Months Ended June 30,								Nine Months Ended June 30,
		2025				2024				2025				2024
Revenue		$	139,410,586			$	3,723,469			$	424,079,412			$	3,723,469
Operating expenses			(75,210,039	)			(10,822,325	)			(221,547,701	)			(10,822,325	)
AFUDC			45,553				38,815,497				111,088				343,916,298
Other income, net			1,612,418				1,899,904				4,989,603				7,799,966
Net income		$	65,858,518			$	33,616,545			$	207,632,402			$	344,617,408

		Balance Sheets
		June 30, 2025				September 30, 2024
Assets:
Current assets		$	229,791,783			$	263,966,727
Construction work in progress			—				1,568,267
Property, plant and equipment, net			9,448,500,810				9,522,815,742
Other assets			8,963,640				13,732,299
Total assets		$	9,687,256,233			$	9,802,083,035
Liabilities and Equity:
Current liabilities		$	69,667,426			$	168,645,751
Noncurrent liabilities			1,120,286				68,965
Capital			9,616,468,521				9,633,368,319
Total liabilities and equity		$	9,687,256,233			$	9,802,083,035

X

- Definition

Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/320/tableOfContent

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Topic 321
-Publisher FASB
-URI https://asc.fasb.org/321/tableOfContent

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
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-Publisher FASB
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