REGULATORY ENVIRONMENT - VLC AND BESPOKE RESOURCES TARIFFS (Details) - Public Service Commission of Wisconsin (PSCW)	1 Months Ended
Jun. 30, 2026 intervenor	May 31, 2026 MW resource tariff
Public Utilities, General Disclosures [Line Items]
Time period for PSCW to take action	30 days
Very Large Customer and Bespoke Resources Tariffs
Public Utilities, General Disclosures [Line Items]
Minimum Megawatts Required for VLCs \| MW		100
Number of New Tariffs \| tariff		2
Minimum number of Bespoke Resources \| resource		1
Term of service agreements for wind and solar resources		20 years
Approved Equity Capital Structure, Percentage		57.00%
Number of intervenors that filed for rehearing \| intervenor	2
Very Large Customer and Bespoke Resources Tariffs \| Minimum
Public Utilities, General Disclosures [Line Items]
Approved Return on Equity, Percentage		10.48%
Very Large Customer and Bespoke Resources Tariffs \| Maximum
Public Utilities, General Disclosures [Line Items]
Approved Return on Equity, Percentage		10.98%

Percentage of public utility's approved equity to capital, including debt and equity.

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Percentage of public utility's approved return on equity.

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Minimum number of megawatts that a customer needs to use to qualify for the Very Large Customer (VLC) tariff.

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Minimum number of Bespoke Resources (renewable generating facility, battery storage, or natural gas unit) that a customer is required to subscribe to.

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Number of intervenors that filed for rehearing

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Number of New Tariffs

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Term of service agreements for wind and solar Bespoke Resources

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Time period for PSCW to take action before a petition is deemed denied by operation of law.

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