DERIVATIVE INSTRUMENTS (Tables)

3 Months Ended

Mar. 31, 2022

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.

	March 31, 2022				December 31, 2021
(in millions)	Derivative Assets		Derivative Liabilities		Derivative Assets		Derivative Liabilities
Current
Natural gas contracts	$	169.6	$	1.4	$	60.6	$	14.0
FTRs	1.0		—		2.4		—
Coal contracts	33.7		—		44.0		—
Total current	204.3		1.4		107.0		14.0
Long-term
Natural gas contracts	10.3		—		4.0		1.1
Coal contracts	4.5		—		9.0		—
Total long-term	14.8		—		13.0		1.1
Total	$	219.1	$	1.4	$	120.0	$	15.1

Schedule of estimated notional sales volumes and realized gains (losses)

Our estimated notional sales volumes and realized gains (losses) were as follows:

	Three Months Ended March 31, 2022			Three Months Ended March 31, 2021
(in millions)	Volumes	Gains		Volumes	Gains (Losses)
Natural gas contracts	59.5 Dth	$	31.6	59.8 Dth	$	(7.5)
FTRs	7.0 MWh	1.0		8.4 MWh	2.1
Total		$	32.6		$	(5.4)

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:

	March 31, 2022					December 31, 2021
(in millions)	Derivative Assets			Derivative Liabilities		Derivative Assets			Derivative Liabilities
Gross amount recognized on the balance sheet	$	219.1		$	1.4	$	120.0		$	15.1
Gross amount not offset on the balance sheet	(139.5)		(1)	(0.2)		(15.2)		(2)	(9.2)		(3)
Net amount	$	79.6		$	1.2	$	104.8		$	5.9

(1)Includes cash collateral received of $139.3 million.

(2)Includes cash collateral received of $6.4 million.

(3)Includes cash collateral posted of $0.4 million.

Schedule of cash flow hedges reclassified to interest expense and total interest expense

The table below shows the amounts related to these cash flow hedges that were reclassified to interest expense, along with our total interest expense on the income statements:

	Three Months Ended March 31
(in millions)	2022		2021
Net derivative gain (loss) reclassified from accumulated other comprehensive loss to interest expense	$	0.1	$	(1.4)
Total interest expense line item on the income statements	117.6		119.5