Rocky Mountain Hydroelectric Plant
Rocky Mountain Hydroelectric Plant is a 848 MW pumped storage hydro plant in Floyd County, Georgia, operated by Oglethorpe Power Corporation. EIA-860M lists 3 generating units here. Its units entered service in 1995.
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
- 847.8 MW
- 1,035 MW net summer
- Generating units
- 3
- In service
- 1995
- EIA plant ID
- 6189
Where it is
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- County
- Floyd County, Georgia
- Coordinates
- 34.3555, -85.3039
- Balancing authority
- SOCO
- Sector
- Electric Utility
Units, technology and status
- Operator of record
- Oglethorpe Power Corporation
- Primary energy source
- Pumped storage
- Technologies
- Hydroelectric Pumped Storage
- Status
- Operating
Rocky Mountain Hydroelectric Plant: FAQ
- Where is Rocky Mountain Hydroelectric Plant?
- In Floyd County, Georgia (GA). 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 Rocky Mountain Hydroelectric Plant?
- 848 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
- Who owns Rocky Mountain Hydroelectric Plant?
- EIA-860M names Oglethorpe Power Corporation 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 Rocky Mountain Hydroelectric Plant LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Oglethorpe Power Corporation 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 "Rocky Mountain Hydroelectric Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Rocky Mountain Hydroelectric Plant still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.