Dave Johnston
Dave Johnston is a 817 MW coal power plant in Converse County, Wyoming, operated by PacifiCorp. EIA-860M lists 4 generating units here. Its units entered service between 1959 and 1972.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 816.7 MW
- 745 MW net summer
- Generating units
- 4
- In service
- 1959–1972
- EIA plant ID
- 4158
Where it is
Loading map…
- County
- Converse County, Wyoming
- Coordinates
- 42.8378, -105.7769
- Balancing authority
- PACE
- Sector
- Electric Utility
Units, technology and status
- Operator of record
- PacifiCorp
- Primary energy source
- Coal
- Technologies
- Conventional Steam Coal
- Status
- Operating
Dave Johnston: FAQ
- Where is Dave Johnston?
- In Converse County, Wyoming (WY). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Dave Johnston?
- 817 MW of nameplate capacity across 4 units, as of the EIA-860M release for 2026-07.
- Who owns Dave Johnston?
- EIA-860M names PacifiCorp as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as Dave Johnston LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — PacifiCorp here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Dave Johnston LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Dave Johnston still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.