v3.26.1
REGULATORY ENVIRONMENT (Tables)
 6 Months Ended
Jun. 30, 2026
Public Service Commission of Wisconsin | 2027 and 2028 Rates  
Public Utilities, General Disclosures [Line Items]  
Schedule of regulatory requests The requests reflected the following:
WEWPSWG
Proposed 2027 rate increase
Electric (2)
$175.8  million/4.7%$86.1  million/6.3%N/A
Gas$2.1  million/0.3%
(3)
$21.7  million/4.9%$59.4  million/6.8%
Steam$0.1  million/0.2%N/AN/A
Proposed 2028 rate increase (1)
Electric (2)
$179.5  million/4.5%$50.8  million/3.5%N/A
Gas$33.3  million/4.9%
(3)
$6.9  million/1.5%$37.2  million/4.0%
Steam$1.2  million/3.8%N/AN/A
Proposed ROE9.9%9.9%9.9%
Proposed common equity component average on a financial basis53.5%55.0%53.5%

(1)    The proposed 2028 rate increases are incremental to the currently authorized revenue plus the requested rate increases for 2027.

(2)    Amounts reflect the impact to our Wisconsin retail electric operations and exclude any impacts from updated fuel costs.

(3)    Increase excludes the impact of the costs directly assigned to natural gas electric generation facilities.