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372.5 MW Hydro operating in Jefferson, OR
372.5 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1964
Operating Since
Coordinates
44.6058, -121.2773
County
Jefferson, OR
Nearby Plants
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| 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 | — |
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
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Portland General Electric Company (PGE)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
49.6K MWh
Latest Month
794.4K MWh
Annual Generation
24.3%
Capacity Factor
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Energy storage · Portland General Electric Company · Data from 2015–2024
$657/kW
Installed Cost
$8.5/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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Market Position
LMP Node
RBP1_2_GNODE1-3
Pricing Hub
—
154 buyers • 8,584 active contracts
+ 149 more offtakers in the full bridge. Top 5 shown.
Browse source data on FERC EQRLast updated 2026-04-19
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