816.7 MW Sub. Coal operating in Converse, WY — PacifiCorp - East
816.7 MW
Nameplate Capacity
4
Generators
units
Conventional Steam Coal
Technology
1959
Operating Since
Coordinates
42.8378, -105.7769
County
Converse, WY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PacifiCorp | PacifiCorp | — |
| Owner(s) | PacifiCorp | Berkshire Hathaway | — |
| Status | Operating | — | — |
The Dave Johnston power plant is located in Converse County, Wyoming. The plant has a total capacity of 816.7 MW across four generators using conventional steam coal technology and subbituminous coal (SUB) as its primary fuel. The plant began operating in 1959. PacifiCorp operates the facility, while Berkshire Hathaway is the parent company. Dave Johnston ranks as the second-largest of six coal plants in Wyoming, and 40th out of 75 coal plants nationally. The plant operates within the PacifiCorp - East balancing authority in the Western Electricity Coordinating Council (WECC) NERC region.
In the latest year of reported generation, the plant produced 4,273,471 MWh, achieving a capacity factor of 59.8%. Financial data indicates an installed cost of $1,268.6 per kW, based on FERC and FERC EQ data. The plant also has a reported PPA price of $10.78 per MWh.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
PacifiCorp - East
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
191.8K MWh
Latest Month
4.3M MWh
Annual Generation
59.8%
Capacity Factor
$10.8/MWh
PPA Price
PacifiCorp
Contract Seller
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
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