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Fair Value of Financial Instruments
3 Months Ended
Mar. 31, 2014
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments

Fair Value of Financial Instruments - MGE Energy and MGE.

Fair value is defined as the price that would be received to sell an asset or would be paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. The standard clarifies that fair value should be based on the assumptions market participants would use when pricing the asset or liability including assumptions about risk. The standard also establishes a three level fair value hierarchy based upon the observability of the assumptions used and requires the use of observable market data when available. The levels are:

Level 1 - Pricing inputs are quoted prices within active markets for identical assets or liabilities.

Level 2 - Pricing inputs are quoted prices within active markets for similar assets or liabilities; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations that are correlated with or otherwise verifiable by observable market data.

Level 3 - Pricing inputs are unobservable and reflect management's best estimate of what market participants would use in pricing the asset or liability.

a. Fair Value of Financial Assets and Liabilities Recorded at the Carrying Amount.

At March 31, 2014 and December 31, 2013, the carrying amount of cash and cash equivalents approximates fair market value due to the short maturity of those investments and obligations. The estimated fair market value of MGE Energy's and MGE's long-term debt is based on quoted market prices for similar financial instruments at March 31, 2014 and December 31, 2013. Since long-term debt is not traded in an active market, it is classified as Level 2. The estimated fair market value of MGE Energy's and MGE's financial instruments are as follows:

March 31, 2014December 31, 2013
(In thousands)Carrying AmountFair ValueCarrying AmountFair Value
MGE Energy
Assets:
Cash and cash equivalents$ 93,489$ 93,489$ 68,813$ 68,813
Liabilities:
Long-term debt* 402,774 436,788 403,793 432,010
MGE
Assets:
Cash and cash equivalents$ 37,988$ 37,988$ 14,808$ 14,808
Liabilities:
Long-term debt* 402,774 436,788 403,793 432,010
*Includes long-term debt due within one year.

b. Recurring Fair Value Measurements.

The following table presents the balances of assets and liabilities measured at fair value on a recurring basis for MGE Energy and MGE.

Fair Value as of March 31, 2014
(In thousands)TotalLevel 1Level 2Level 3
MGE Energy
Assets:
Exchange-traded investments$ 804$ 804$ -$ -
Total Assets$ 804$ 804$ -$ -
Liabilities:
Derivatives, net$ 58,213$ (584)$ -$ 58,797
Deferred compensation 2,472 - 2,472 -
Total Liabilities$ 60,685$ (584)$ 2,472$ 58,797
MGE
Assets:
Exchange-traded investments$ 461$ 461$ -$ -
Total Assets$ 461$ 461$ -$ -
Liabilities:
Derivatives, net$ 58,213$ (584)$ -$ 58,797
Deferred compensation 2,472 - 2,472 -
Total Liabilities$ 60,685$ (584)$ 2,472$ 58,797
Fair Value as of December 31, 2013
(In thousands)TotalLevel 1Level 2Level 3
MGE Energy
Assets:
Exchange-traded investments$792$792$ -$ -
Total Assets$792$792$ -$ -
Liabilities:
Derivatives, net(a)$63,893$(735)$ -$64,628
Deferred compensation2,364 -2,364 -
Total Liabilities $66,257$(735)$2,364$64,628
MGE
Assets:
Exchange-traded investments$431$431$ -$ -
Total Assets$431$431$ -$ -
Liabilities:
Derivatives, net(a)$63,893$(735)$ -$64,628
Deferred compensation2,364 -2,364 -
Total Liabilities$66,257$(735)$2,364$64,628
(a) These amounts are shown gross and exclude $0.2 million of collateral that was posted
against derivative positions with counterparties.

No transfers were made in or out of Level 1 or Level 2 for the three months ended March 31, 2014.

Investments include exchange-traded investment securities valued using quoted prices on active exchanges and are therefore classified as Level 1.

Derivatives include exchange-traded derivative contracts, over-the-counter transactions, a ten-year purchased power agreement, and FTRs. Most exchange-traded derivative contracts are valued based on unadjusted quoted prices in active markets and are therefore classified as Level 1. A small number of exchange-traded derivative contracts are valued using quoted market pricing in markets with insufficient volumes and are therefore classified as Level 3. Transactions done with an over-the-counter party are on inactive markets and are therefore considered unobservable and classified as Level 3. These transactions are valued based on quoted prices from markets with similar exchange traded transactions. FTRs are priced based upon monthly auction results for identical or similar instruments in a closed market with limited data available and are therefore classified as Level 3.

The ten-year purchased power agreement (see Footnote 9) was valued using an internally-developed pricing model and therefore is classified as Level 3. The model projects future market energy prices and compares those prices to the projected power costs to be incurred under the contract. Inputs to the model require significant management judgment and estimation. Future energy prices are based on a forward power pricing curve using exchange-traded contracts in the electric futures market, where such exchange-traded contracts exist, and upon calculations based on forward gas prices, where such exchange-traded contracts do not exist. A basis adjustment is applied to the market energy price to reflect the price differential between the market price delivery point and the counterparty delivery point. The historical relationship between the delivery points is reviewed and a discount (below 100%) or premium (above 100%) is derived. This comparison is done for both peak times when demand is high and off peak times when demand is low. If the basis adjustment is lowered, the fair value measurement will decrease and if the basis adjustment is increased, the fair value measurement will increase.

The projected power costs anticipated to be incurred under the purchased power agreement are determined using many factors, including historical generating costs, future prices, and expected fuel mix of the counterparty. An increase in the projected fuel costs would result in a decrease in the fair value measurement of the purchased power agreement. A significant input that MGE estimates is the counterparty's fuel mix in determining the projected power cost. MGE also considers the assumptions that market participants would use in valuing the asset or liability. This consideration includes assumptions about market risk such as liquidity, volatility, and contract duration. The fair value model uses a discount rate that incorporates discounting, credit, and model risks.

This model is prepared by members of MGE's Energy Accounting group. It is reviewed on a quarterly basis by management in Energy Supply and Finance to review the assumptions, inputs, and fair value measurements.

The following table presents the significant unobservable inputs used in the pricing model.

Significant Unobservable InputsModel Input
Basis adjustment:
On peak95.5%
Off peak93.1%
Counterparty fuel mix:
Internal generation50% - 70%
Purchased power50% - 30%

The deferred compensation plan allows participants to defer certain cash compensation into a notional investment account. These amounts are included within other deferred liabilities in the consolidated balance sheets of MGE Energy and MGE. The notional investments earn interest based upon the semiannual rate of U.S. Treasury Bills having a 26 week maturity increased by 1% compounded monthly with a minimum annual rate of 7%, compounded monthly. The notional investments are based upon observable market data, however, since the deferred compensation obligations themselves are not exchanged in an active market, they are classified as Level 2.

The following table summarizes the changes in Level 3 assets and liabilities measured at fair value on a recurring basis for both MGE Energy and MGE.

Three Months Ended
March 31,
(In thousands)20142013
Beginning balance,$ (64,628)$ (72,346)
Realized and unrealized gains (losses):
Included in regulatory liabilities 5,831 2,748
Included in other comprehensive income - -
Included in earnings 6,634 (1,148)
Included in current assets (53) -
Purchases 6,859 5,562
Sales (60) (3)
Issuances - -
Settlements (13,380) (4,411)
Transfers in and/or out of Level 3 - -
Balance as of March 31,$ (58,797)$ (69,598)
Total gains (losses) included in earnings attributed to the change in unrealized gains (losses) related to assets and liabilities held at March 31,(b)$ -$ -

The following table presents total realized and unrealized gains (losses) included in income for Level 3 assets and liabilities measured at fair value on a recurring basis for both MGE Energy and MGE (b).

Three Months Ended
March 31,
(In thousands)20142013
Purchased Power Expense$ 6,634$ (1,148)

(b) MGE's exchange-traded derivative contracts, over-the-counter party transactions, ten-year purchased power agreement, and FTRs are subject to regulatory deferral. These derivatives are therefore marked to fair value and are offset with a corresponding regulatory asset or liability.