XML 53 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Derivative and Hedging Instruments (Tables)
9 Months Ended
Sep. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Gross Notional Volume of Open Derivatives

The gross notional volume of open derivatives is as follows:

September 30, 2018December 31, 2017
Commodity derivative contracts482,450 MWh552,310 MWh
Commodity derivative contracts8,557,000 Dth5,460,000 Dth
FTRs3,681 MW2,226 MW
PPA2,200 MW2,650 MW
Fair Value of Derivative Instruments on the Balance Sheet

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. As of September 30, 2018, and December 31, 2017, the receivable margin account balance of $0.8 million and $2.5 million, respectively, is shown net of any collateral posted against derivative positions.

Derivative Derivative
(In thousands)AssetsLiabilitiesBalance Sheet Location
September 30, 2018
Commodity derivative contracts(a)$1,363$232Other current assets
Commodity derivative contracts(a)8655Other deferred charges
FTRs478-Other current assets
PPAN/A9,350Derivative liability (current)
PPAN/A26,920Derivative liability (long-term)
December 31, 2017
Commodity derivative contracts(a)$566$603Derivative liability (current)(b)
Commodity derivative contracts(a)110190Derivative liability (long-term)
FTRs329-Other current assets
PPAN/A8,180Derivative liability (current)
PPAN/A33,990Derivative liability (long-term)

(a) As of December 31, 2017, collateral of $0.1 million was posted against and netted with derivative liability positions on the consolidated balance sheets. No collateral was posted against derivative positions as of September 30, 2018.

(b) As of December 31, 2017, MGE presented $0.1 million as other current assets on the consolidated balance sheets.

Offsetting Assets

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 AmountsGross Amounts Offset in Balance SheetsCollateral Posted Against Derivative PositionsNet Amount Presented in Balance Sheets
September 30, 2018
Commodity derivative contracts$1,449$(287)$-$1,162
FTRs478--478
December 31, 2017
Commodity derivative contracts$676$(654)$-$22
FTRs329--329
Offsetting Liabilities
Offsetting of Derivative Liabilities
(In thousands)Gross AmountsGross Amounts Offset in Balance SheetsCollateral Posted Against Derivative PositionsNet Amount Presented in Balance Sheets
September 30, 2018
Commodity derivative contracts$287$(287)$-$-
PPA36,270--36,270
December 31, 2017
Commodity derivative contracts$793$(654)$(139)$-
PPA42,170--42,170
Derivative Gains and Losses in Balance Sheet

The following tables summarize the unrealized and realized gains (losses) related to the derivative instruments on the consolidated balance sheets as of September 30, 2018 and 2017, and the consolidated statements of income for the three and nine months ended September 30, 2018 and 2017.

20182017
(In thousands)Current and Long-Term Regulatory AssetOther Current AssetsCurrent and Long-Term Regulatory AssetOther Current Assets
Three Months Ended September 30:
Balance at July 1,$36,924$640$45,316$618
Unrealized gain(2,007)-(1,277)-
Realized (loss) gain reclassified to a deferred account(316)316(313)313
Realized gain (loss) reclassified to income statement29(62)(1,450)(57)
Balance at September 30,$34,630$894$42,276$874
Nine Months Ended September 30:
Balance at January 1,$41,958$806$49,281$230
Unrealized gain(5,906)-(3,698)-
Realized (loss) gain reclassified to a deferred account(837)837(935)935
Realized loss reclassified to income statement(585)(749)(2,372)(291)
Balance at September 30,$34,630$894$42,276$874
Derivative Gains and Losses in Income Statement
Realized Losses (Gains)
20182017
(In thousands)Fuel for Electric Generation/ Purchased PowerCost of Gas SoldFuel for Electric Generation/ Purchased PowerCost of Gas Sold
Three Months Ended September 30:
Commodity derivative contracts$(145)$-$362$18
FTRs(150)-(224)-
PPA328-1,351-
Nine Months Ended September 30:
Commodity derivative contracts$39$637$764$227
FTRs(625)-(1,349)-
PPA1,283-3,021-