v3.26.1
DERIVATIVE INSTRUMENTS (Tables)
 6 Months Ended
Jun. 30, 2026
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of derivative assets and liabilities The following table shows our derivative assets and derivative liabilities. None of the derivatives shown below were designated as hedging instruments.
June 30, 2026December 31, 2025
(in millions)Derivative
Assets		Derivative
Liabilities		Derivative
Assets		Derivative
Liabilities
Current
Natural gas contracts$6.8 $6.5 $5.6 $3.8 
FTRs10.2 — 2.3 — 
Total current 17.0 6.5 7.9 3.8 
Long-term
Natural gas contracts— 0.1 — 0.2 
Total$17.0 $6.6 $7.9 $4.0 
Schedule of estimated notional volumes and realized gains and losses Our realized gains and losses and the estimated notional volumes related to these settlements were as follows:
Three Months Ended June 30, 2026Three Months Ended June 30, 2025
(in millions)VolumesGains (Losses)VolumesGains
Natural gas contracts
9.5 Dth
$(2.6)
6.5 Dth
$0.1 
FTRs
1.6 MWh
0.4 
1.9 MWh
1.6 
Total$(2.2)$1.7 
Six Months Ended June 30, 2026Six Months Ended June 30, 2025
(in millions)VolumesGainsVolumesGains
Natural gas contracts
22.9 Dth
$6.4 
18.8 Dth
$0.8 
FTRs
3.5 MWh
2.0 
4.2 MWh
2.2 
Total$8.4 $3.0 
Schedule of net derivative instruments
The following table shows derivative assets and derivative liabilities if derivative instruments by counterparty were presented net on our balance sheets:
June 30, 2026December 31, 2025
(in millions)Derivative
Assets		Derivative
Liabilities		Derivative
Assets		Derivative
Liabilities
Gross amount recognized on the balance sheet$17.0 $6.6 $7.9 $4.0 
Gross amount not offset on the balance sheet(0.3)(5.4)
(1)
(0.1)(3.4)
(2)
Net amount$16.7 $1.2 $7.8 $0.6 

(1)    Includes cash collateral posted of $5.1 million.

(2)    Includes cash collateral posted of $3.3 million.