Round Butte — Plant Summary
- EIA Plant ID
- 3050
- Capacity
- 372.5 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Jefferson, OR
- Operating Since
- 1964
- Generators
- 3
- Operator
- Portland General Electric Co
- Parent Company
- Portland General Electric
- Annual Generation
- 794,421 MWh
- Capacity Factor
- 24.3%
- Balancing Authority
- Portland General Electric Company
- ISO/RTO
- —
- NERC Region
- WECC
Round Butte
OperatingHydro
Ranked #6 of 63 Hydro plants in OR#62 of 1454 nationally
372.5 MW Hydro operating in Jefferson, OR — Portland General Electric Company
EIAGEMWD
372.5 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1964
Operating Since
Location
Coordinates
44.6058, -121.2773
County
Jefferson, OR
Nearby Plants
- Salmonfly Solar and StorageBESS494 MW · 5.4 km
- CNN CenterDistillate Oil13 MW · 5.8 km
- Elbe Solar CenterSolar10 MW · 5.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Portland General Electric Co | Portland General Electric | — |
| Owner(s) | Portland General Electric Co, Warm Springs Power Enterprises | Portland General Electric | — |
| Status | Operating | operating | — |
Ownership Chain
About
Round Butte Dam is a rockfill-type hydroelectric dam on the Deschutes River, in the U.S. state of Oregon.
Read more on WikipediaRound Butte is a 372.5 MW hydroelectric power plant located in Jefferson County, Oregon. The plant began operating in 1964 and is owned and operated by Portland General Electric (PGE). It utilizes conventional hydroelectric technology and consists of three generators. Round Butte is the 6th largest hydroelectric plant in Oregon out of 11 such plants, and ranks 62nd nationally out of 194.
The plant's latest annual generation was 794,421 MWh, resulting in a capacity factor of 24.3%. Round Butte operates within the Portland General Electric Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates an installed cost of $638 per kW.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Portland General Electric Company
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
49.6K MWh
Latest Month
794.4K MWh
Annual Generation
24.3%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$657/kW
Installed Cost
$8.5/MWh
Operating Cost
Portland General Electric Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
Market Position
LMP Node
RBP1_2_GNODE1-3
Pricing Hub
—
News & Articles (10)Beta
Industry·none
New Study Finds PGE’s Efforts to Restore Deschutes River Aren’t Working
A peer-reviewed paper says measures to mitigate harms from dams have “resulted in a net reduction in water quality and aquatic habitat.”
PGE (operator)
Willamette Week·7 months ago
Industry·none
People Who Love an Iconic Oregon River Say an Electric Utility Is Harming It
Critics say a crucial device hasn't worked and the water quality in the lower Deschutes has deteriorated because of it.
Willamette Week·1 years ago
Deals·ppa
Warm Springs tribes plan to lease land for massive solar energy project
The tribes are currently in talks with Florida-based BrightNight, a solar energy developer, to build a 250-megawatt solar farm on reservation land.
BrightNight (developer)Warm Springs tribes (other)
bendbulletin.com·1 years ago
Grid·capacity addition
Oregon tribe’s $857M power line upgrade could unlock renewable energy future
Members of the Confederated Tribes of Warm Springs and reps of Portland General Electric meet at the partners' shared hydroelectric plant,...
Confederated Tribes of Warm Springs (other)Portland General Electric (operator)
Tribal Business News·1 years ago
Last updated 2026-03-14
View all 10 articles