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v3.25.3

Commitments and contingencies - Purchase Commitments (Details) $ in Thousands | 1 Months Ended |
--- | --- | ---
Feb. 28, 2025 USD ($) MW | Sep. 30, 2025 USD ($)
Jointly Owned Electricity Generation Plant | Badger Wind LLC |  |
Purchase commitments due |  |
Proportionate ownership share | 49.00% |
Net generating capacity | MW | 250 |
Payments to purchase ownership | $ 294,000 |
Wind generation ownership | MW | 122.5 |
Inventories |  |
Purchase commitments due |  |
2026 |  | $ 939,500
2027 |  | 280,400
2028 |  | 174,200
2029 |  | 128,800
2030 |  | 113,700
Thereafter |  | $ 627,000

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