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BUSINESS AND ORGANIZATION (Details) - USD ($)	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
BUSINESS AND ORGANIZATION
Total operating revenue	$ 411,001,373	$ 351,876,861
Gas & Water Distribution
BUSINESS AND ORGANIZATION
Percentage of revenue	36.40%	23.30%
Gas & Petroleum Transmission
BUSINESS AND ORGANIZATION
Percentage of revenue	15.70%	23.50%
Electrical, Mechanical, & General
BUSINESS AND ORGANIZATION
Percentage of revenue	47.90%	53.20%

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