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Derivative and Hedging Instruments | 9 Months Ended
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Sep. 30, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Derivative and Hedging Instruments | Derivati ve and Hedging Instruments - MGE Energy and MGE. a. Purpose. As part of its regular operations, MGE enters into contracts, including options, swaps, futures, forwards, and other contractual commitments, to manage its exposure to commodity prices. To the extent that these contracts are derivatives, MGE assesses whether or not the normal purchases or normal sales exclusion applies. For contracts to which this exclusion cannot be applied, the derivatives are recognized in the consolidated balance sheets at fair value. MGE's financial commodity derivative activities are conducted in accordance with its electric and gas risk management program, which is approved by the PSCW and limits the volume MGE can hedge with specific risk management strategies. The maximum length of time over which cash flows related to energy commodities can be hedged is four years. If the derivative qualifies for regulatory deferral, the derivatives are marked to fair value and are offset with a corresponding regulatory asset or liability depending on whether the derivative is in a net loss or net gain position, respectively. The deferred gain or loss is recognized in earnings in the delivery month applicable to the instrument. Gains and losses related to hedges qualifying for regulatory treatment are recoverable in gas rates through the PGA or in electric rates as a component of the fuel rules mechanism. b. Notional Amounts. The gross notional volume of open derivatives is as follows:
|  | September 30, 2021 |  | December 31, 2020
Commodity derivative contracts |  |  | 290,520 |  |  | MWh |  |  | 259,080 |  |  | MWh
Commodity derivative contracts |  |  | 9,050,000 |  |  | Dth |  |  | 6,030,000 |  |  | Dth
FTRs |  |  | 3,280 |  |  | MW |  |  | 2,869 |  |  | MW
PPA |  |  | 400 |  |  | MW |  |  | 850 |  |  | MW
c. Financial Statement Presentation. MGE purchases and sells exchange-traded and over-the-counter options, swaps, and future contracts. These arrangements are primarily entered into to help stabilize the price risk associated with gas or power purchases. These transactions are employed by both MGE's gas and electric segments. Additionally, as a result of the firm transmission agreements that MGE holds on electricity transmission paths in the MISO market, MGE holds financial transmission rights (FTRs). An FTR is a financial instrument that entitles the holder to a stream of revenues or charges based on the differences in hourly day-ahead energy prices between two points on the transmission grid. The fair values of these instruments are offset with a corresponding regulatory asset/liability depending on whether they are in a net loss/gain position. Depending on the nature of the instrument, the gain or loss associated with these transactions will be reflected as cost of gas sold, fuel for electric generation, or purchased power expense in the delivery month applicable to the instrument. As of September 30, 2021, and December 31, 2020, the fair value of exchange traded derivatives and FTRs exceeded their cost basis by $13.8 million and $0.2 million, respectively. MGE is a party to a purchased power agreement that provides MGE with firm capacity and energy during a base term from June 1, 2012, through May 31, 2022. The agreement is accounted for as a derivative contract and is recognized at its fair value on the consolidated balance sheets. However, the derivative qualifies for regulatory deferral and is recognized with a corresponding regulatory asset or liability depending on whether the fair value is in a loss or gain position. The fair value of the contract as of September 30, 2021, and December 31, 2020, reflected a loss position of $0.2 million and $14.1 million, respectively. The actual cost will be recognized in purchased power expense in the month of purchase. The following table summarizes the fair value of the derivative instruments on the consolidated balance sheets. All derivative instruments in this table are presented on a gross basis and are calculated prior to the netting of instruments with the same counterparty under a master netting agreement as well as the netting of collateral. For financial statement purposes, instruments are netted with the same counterparty under a master netting agreement as well as the netting of collateral.
|  | Derivative |  |  | Derivative |  |  |
(In thousands) |  | Assets |  |  | Liabilities |  |  | Balance Sheet Location
September 30, 2021 |  |  |  |  |  |  |  |
Commodity derivative contracts(a) |  | $ | 13,426 |  |  | $ | 375 |  |  | Other current assets
Commodity derivative contracts(a) |  |  | 559 |  |  |  | — |  |  | Other deferred charges
FTRs |  |  | 225 |  |  |  | — |  |  | Other current assets
PPA |  | N/A |  |  |  | 160 |  |  | Derivative liability (current)
PPA |  | N/A |  |  |  | — |  |  | Derivative liability (long-term)
December 31, 2020 |  |  |  |  |  |  |  |
Commodity derivative contracts(b) |  | $ | 617 |  |  | $ | 593 |  |  | Other current assets
Commodity derivative contracts(b) |  |  | 189 |  |  |  | 39 |  |  | Other deferred charges
FTRs |  |  | — |  |  |  | 23 |  |  | Other current liabilities
PPA |  | N/A |  |  |  | 10,160 |  |  | Derivative liability (current)
PPA |  | N/A |  |  |  | 3,980 |  |  | Derivative liability (long-term)
(a) As of September 30, 2021, MGE received collateral of $9.2 million from counterparties under a master netting agreement for outstanding exchange traded derivative positions. The fair value of the derivative asset disclosed in this table has not been reduced for the collateral received. (b) N o collateral was posted against derivative positions as of December 31, 2020. The following tables show the effect of netting arrangements for recognized derivative assets and liabilities that are subject to a master netting arrangement or similar arrangement on the consolidated balance sheets. Offsetting of Derivative Assets
(In thousands) |  | Gross Amounts |  |  | Gross Amounts Offset in Balance Sheets |  |  | Collateral Posted Against Derivative Positions |  |  | Net Amount Presented in Balance Sheets |
September 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivative contracts |  | $ | 13,985 |  |  | $ | (375 | ) |  | $ | (9,235 | ) |  | $ | 4,375 |
FTRs |  |  | 225 |  |  |  | — |  |  |  | — |  |  | $ | 225 |
December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivative contracts |  | $ | 806 |  |  | $ | (632 | ) |  | $ | — |  |  | $ | 174 |
Offsetting of Derivative Liabilities
(In thousands) |  | Gross Amounts |  |  | Gross Amounts Offset in Balance Sheets |  |  | Collateral Posted Against Derivative Positions |  |  | Net Amount Presented in Balance Sheets |
September 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivative contracts |  | $ | 375 |  |  | $ | (375 | ) |  | $ | — |  |  | $ | — |
PPA |  |  | 160 |  |  |  | — |  |  |  | — |  |  |  | 160 |
December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivative contracts |  | $ | 632 |  |  | $ | (632 | ) |  | $ | — |  |  | $ | — |
FTRs |  |  | 23 |  |  |  | — |  |  |  | — |  |  |  | 23 |
PPA |  |  | 14,140 |  |  |  | — |  |  |  | — |  |  |  | 14,140 |
The following tables summarize the unrealized and realized gains/losses related to the derivative instruments on the consolidated balance sheets and the consolidated statements of income.
|  | 2021 |  |  | 2020 |
(In thousands) |  | Current and Long-Term Regulatory Asset (Liability) |  |  | Other Current Assets |  |  | Current and Long-Term Regulatory Asset (Liability) |  |  | Other Current Assets |
Three Months Ended September 30: |  |  |  |  |  |  |  |  |  |  |  |
Balance as of July 1, |  | $ | 2,581 |  |  | $ | 520 |  |  | $ | 20,400 |  |  | $ | 940 |
Unrealized gain |  |  | (18,677 | ) |  |  | — |  |  |  | (4,695 | ) |  |  | — |
Realized gain (loss) reclassified to a deferred account |  |  | 65 |  |  |  | (65 | ) |  |  | (207 | ) |  |  | 207 |
Realized gain (loss) reclassified to income statement |  |  | 2,356 |  |  |  | 311 |  |  |  | (1,481 | ) |  |  | (164 | )
Balance as of September 30, |  | $ | (13,675 | ) |  | $ | 766 |  |  | $ | 14,017 |  |  | $ | 983 |
Nine Months Ended September 30: |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, |  | $ | 13,989 |  |  | $ | 1,162 |  |  | $ | 26,875 |  |  | $ | 1,100 |
Unrealized gain |  |  | (30,314 | ) |  |  | — |  |  |  | (8,032 | ) |  |  | — |
Realized (loss) gain reclassified to a deferred account |  |  | (351 | ) |  |  | 351 |  |  |  | (1,999 | ) |  |  | 1,999 |
Realized gain (loss) reclassified to income statement |  |  | 3,001 |  |  |  | (747 | ) |  |  | (2,827 | ) |  |  | (2,116 | )
Balance as of September 30, |  | $ | (13,675 | ) |  | $ | 766 |  |  | $ | 14,017 |  |  | $ | 983 |
|  | Realized Losses (Gains) |
|  | 2021 |  |  | 2020 |
(In thousands) |  | Fuel for Electric Generation/ Purchased Power |  |  | Cost of Gas Sold |  |  | Fuel for Electric Generation/ Purchased Power |  |  | Cost of Gas Sold |
Three Months Ended September 30: |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivative contracts |  | $ | (1,586 | ) |  | $ | — |  |  | $ | 680 |  |  | $ | 28 |
FTRs |  |  | (132 | ) |  |  | — |  |  |  | 184 |  |  |  | — |
PPA |  |  | (949 | ) |  |  | — |  |  |  | 753 |  |  |  | — |
Nine Months Ended September 30: |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivative contracts |  | $ | (2,107 | ) |  | $ | 1,055 |  |  | $ | 2,303 |  |  | $ | 1,682 |
FTRs |  |  | (443 | ) |  |  | — |  |  |  | 78 |  |  |  | — |
PPA |  |  | (759 | ) |  |  | — |  |  |  | 880 |  |  |  | — |
MGE's commodity derivative contracts, FTRs, and PPA are subject to regulatory deferral. These derivatives are marked to fair value and are offset with a corresponding regulatory asset or liability. Realized gains and losses are deferred on the consolidated balance sheets and are recognized in earnings in the delivery month applicable to the instrument. As a result of the treatment described above, there are no unrealized gains or losses that flow through earnings. The PPA has a provision that may require MGE to post collateral if MGE's debt rating falls below investment grade (i.e., below BBB-). The amount of collateral that it may be required to post varies from $20.0 million to $40.0 million, depending on MGE's nominated capacity amount. As of September 30, 2021, no collateral was required to be, or had been, posted. Certain counterparties extend MGE a credit limit. If MGE exceeds these limits, the counterparties may require collateral to be posted. As of September 30, 2021, and December 31, 2020, no counterparties were in a net liability position. Nonperformance of counterparties to the non-exchange traded derivatives could expose MGE to credit loss. However, MGE enters into transactions only with companies that meet or exceed strict credit guidelines, and it monitors these counterparties on an ongoing basis to mitigate nonperformance risk in its portfolio. As of September 30, 2021, no counterparties had defaulted.

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -URI http://asc.fasb.org/topic&trid=2229140 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123477628&loc=d3e90205-114008 + Details
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