XML 51 R40.htm IDEA: XBRL DOCUMENT
v3.22.1

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 |

X
- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of gain (loss) on derivative and nonderivative instruments designated and qualifying as cash flow hedge recorded in accumulated other comprehensive income (AOCI) and reclassified into earnings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
Name: | us-gaap_ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of the realized gain (loss) and notional volumes for derivative instruments not designated as hedging instruments. + References No definition available. + Details
Name: | wec_DerivativeInstrumentsRealizedGainLossandNotionalVolumesTableTextBlock
Namespace Prefix: | wec_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of derivative assets and liabilities if derivative instruments by counterparty were presented net on the balance sheets. + References No definition available. + Details
Name: | wec_NetDerivativeInstrumentsByCounterpartyTableTextBlock
Namespace Prefix: | wec_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration