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Significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Estimated Useful Lives of Depreciable Assets

The ranges of estimated useful lives and the weighted average useful lives are summarized below:

			Range of useful lives												Weighted average useful lives
			2022						2021						2022						2021
Generation			3-60						3-60						33						33
Distribution			1-100						1-100						39						40
Equipment			5-54						5-50						11						11

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Schedule Of Property Plant And Equipment Estimated Useful Lives.

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