XML 75 R47.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Commitments and Contingencies (Details-2) - Natural Gas [Member]
$ in Thousands
Jun. 30, 2024
USD ($)
[1]
Operating expense purchase contracts [Abstract]  
Purchase obligation, 2024 $ 22,421
Purchase obligation, 2025 40,762
Purchase obligation, 2026 15,492
Purchase obligation, 2027 2,546
Purchase obligation, 2028 2,546
Purchase obligation, Thereafter $ 11,224
[1] 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 approved by FERC but may be subject to change. MGE's natural gas supply commitments include market-based pricing.