Query
Rocky Mountain Hydroelectric Plant
Type
Entity Briefing
Entity
Rocky Mountain Hydroelectric Plant
State
MT
Technology
hydro
Generated
2026-10-20T01:20:11.272Z

Briefing on Rocky Mountain Hydroelectric Plant

Entity Briefing
Generated Oct 20, 2026·Dataset freshness not reported
848 MW
Capacity
Operating
Current status
1995
Operating since
3
Generators
-6.1%
Capacity factor
-453 GWh
Annual generation
Briefing/plantOperating

Rocky Mountain Hydroelectric Plant is a 848 MW Hydroelectric Pumped Storage asset in Georgia, currently Operating.

Rocky Mountain Hydroelectric Plant is reported in Georgia since 1995 under Southern. Available operating and financial measures include -6.1% capacity factor and -453 GWh annual generation; $654/kW reported CapEx.

Location
Floyd, Georgia
Technology
Hydroelectric Pumped Storage
Owner / parent
Southern
Operator
Oglethorpe Power Corporation
Grid
Southern Company Services, Inc. - Trans
Plant ID
6189

What stands out

1

Rocky Mountain Hydroelectric Plant is a 848 MW Hydroelectric Pumped Storage asset in Georgia with status Operating.

2

Latest annual operating measures report -6.1% capacity factor and -453 GWh annual generation.

3

Available financial measures include $34.0/MWh OpEx, $654/kW CapEx.

4

Latest linked story: “Oglethorpe Power Corporation; Notice of Application Ready for Environmental Analysis and Soliciting Comments, Recommendations, Terms and Conditions, and Prescriptions” (Federal Register (FERC), 2026-05-18).

Market and operating context

Balancing authority
Southern Company Services, Inc. - Trans
NERC region
SERC
State rank
#1 of 30
National rank
#28 of 1,462

Why it matters

For this asset, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.