#Rocky mountain power rate increase history series#
New details in the IRP include schedules for myriad filings, applications and analysis to satisfy a series of new Wyoming policies aimed at either finding buyers for coal plants set for early retirement in the state or extending their life by adding carbon-capture-utilization-and-storage technologies. The plan mostly maintains the schedule laid out in its 2019 IRP for exiting Wyoming coal, including the early retirement of the Dave Johnston coal-fired power plant at Glenrock in 2027. Coal units 3 and 4 at Jim Bridger will continue to operate through 2037 when the entire plant, including the natural gas-converted units 1 and 2, will be decommissioned. (Dustin Bleizeffer/WyoFile)Ĭoal units 1 and 2 at the Jim Bridger power plant outside Rock Springs will be converted to natural gas in 2024 in order to serve “peak” demand loads and help maintain system reliability.
The Dave Johnston coal-fired power plant near Glenrock is scheduled for early retirement in 2027. A third coal unit at Naughton was converted to natural gas this year and is scheduled for retirement in 2030. The utility’s plan includes retiring coal-burning units 1 and 2 at the Naughton power plant near Kemmerer by the end of 2025. The utility will add 2,726 megawatts of “advanced nuclear and non-emitting peaking resources” throughout its six-state system by 2040, according to PacifiCorp documents. Advertisement – Story Continues Below.
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