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Regulatory Environment - WI 2025 and 2026 Rates (Details) - Public Service Commission of Wisconsin (PSCW) $ in Millions | Dec. 19, 2024 USD ($)
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WE | 2025 Rates | Electric |
Public Utilities, General Disclosures |
Approved rate increase | $ 144.0
Approved rate increase (as a percent) | 4.20%
WE | 2025 Rates | Natural gas |
Public Utilities, General Disclosures |
Approved rate increase | $ 41.3
Approved rate increase (as a percent) | 7.10%
WE | 2025 Rates | Steam |
Public Utilities, General Disclosures |
Approved rate increase | $ 1.5
Approved rate increase (as a percent) | 5.00%
WE | 2026 Rates | Electric |
Public Utilities, General Disclosures |
Approved rate increase | $ 169.5
Approved rate increase (as a percent) | 4.50%
WE | 2026 Rates | Natural gas |
Public Utilities, General Disclosures |
Approved rate increase | $ 29.8
Approved rate increase (as a percent) | 4.50%
WE | 2025 and 2026 Rates |
Public Utilities, General Disclosures |
Approved return on equity (as a percent) | 9.80%
Approved common equity component average (as a percent) | 53.00%
Percentage of first 15 basis points of additional earnings retained by the utility | 100.00%
Return on equity in excess of authorized amount (as a percent) | 0.15%
Percentage of additional earnings between 15 and 40 basis points refunded to customers | 50.00%
Return on equity in excess of first 15 basis points above authorized amount (as a percent) | 0.25%
Percentage of earnings in excess of 40 basis points refunded to customers | 100.00%
WPS | 2025 Rates | Electric |
Public Utilities, General Disclosures |
Approved rate increase | $ 55.1
Approved rate increase (as a percent) | 4.50%
WPS | 2025 Rates | Natural gas |
Public Utilities, General Disclosures |
Approved rate increase | $ 14.9
Approved rate increase (as a percent) | 3.80%
WPS | 2026 Rates | Electric |
Public Utilities, General Disclosures |
Approved rate increase | $ 30.0
Approved rate increase (as a percent) | 2.30%
WPS | 2026 Rates | Natural gas |
Public Utilities, General Disclosures |
Approved rate increase | $ 13.5
Approved rate increase (as a percent) | 3.10%
WPS | 2025 and 2026 Rates |
Public Utilities, General Disclosures |
Approved return on equity (as a percent) | 9.80%
Approved common equity component average (as a percent) | 53.00%
Percentage of first 15 basis points of additional earnings retained by the utility | 100.00%
Return on equity in excess of authorized amount (as a percent) | 0.15%
Return on equity in excess of first 15 basis points above authorized amount (as a percent) | 0.60%
Percentage of additional earnings between 15 and 75 basis points refunded to customers | 50.00%
Percentage of earnings in excess of 75 basis points refunded to customers | 100.00%
WG | 2025 Rates | Natural gas |
Public Utilities, General Disclosures |
Approved rate increase | $ 34.5
Approved rate increase (as a percent) | 4.20%
WG | 2026 Rates | Natural gas |
Public Utilities, General Disclosures |
Approved rate increase | $ 23.5
Approved rate increase (as a percent) | 2.60%
WG | 2025 and 2026 Rates |
Public Utilities, General Disclosures |
Approved return on equity (as a percent) | 9.80%
Approved common equity component average (as a percent) | 53.00%
Percentage of first 15 basis points of additional earnings retained by the utility | 100.00%
Return on equity in excess of authorized amount (as a percent) | 0.15%
Return on equity in excess of first 15 basis points above authorized amount (as a percent) | 0.60%
Percentage of additional earnings between 15 and 75 basis points refunded to customers | 50.00%
Percentage of earnings in excess of 75 basis points refunded to customers | 100.00%

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