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Commitments and Contingencies (Tables)
6 Months Ended
Jun. 30, 2016
Commitments and Contingencies Disclosure [Abstract]  
Purchase Contracts, Fiscal Year Maturity Schedule

As of June 30, 2016, the future commitments related to these purchase contracts were as follows:

(In thousands)20162017201820192020Thereafter
Natural gas
Transportation & storage(a)$10,621$25,044$24,833$23,048$16,274$32,595
Supply(b)11,03513,092----
$21,656$38,136$24,833$23,048$16,274$32,595

(a) MGE's natural gas transportation and storage contracts require fixed monthly payments for firm supply pipeline transportation and storage capacity. The pricing components of the fixed monthly payments for the transportation and storage contracts are established by FERC but may be subject to change. Management expects to recover these costs in future customer rates.

(b) These commitments include market-based pricing. Management expects to recover these costs in future customer rates.