Oneida — Plant Summary
- EIA Plant ID
- 829
- Capacity
- 30 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Franklin, ID
- Operating Since
- 1915
- Generators
- 3
- Operator
- PacifiCorp
- Parent Company
- Berkshire Hathaway
- Annual Generation
- 42,004 MWh
- Capacity Factor
- 15.9%
- Balancing Authority
- PacifiCorp - East
- ISO/RTO
- —
- NERC Region
- WECC
Oneida
OperatingHydro
Ranked #16 of 76 Hydro plants in ID#407 of 1454 nationally
30 MW Hydro operating in Franklin, ID — PacifiCorp - East
EIAWD
30 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1915
Operating Since
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PacifiCorp | PacifiCorp | — |
| Owner(s) | PacifiCorp | Berkshire Hathaway | — |
| Status | Operating | — | — |
Ownership Chain
About
Located in Franklin County, Idaho, the Oneida plant is a 30 MW conventional hydroelectric facility that began operating in 1915. It is owned by Berkshire Hathaway and operated by PacifiCorp. The plant consists of three generators and utilizes water (WAT) as its primary fuel source. Oneida is ranked as the 16th largest power plant in Idaho out of 76, and 411th nationally out of 1464.
In the most recent year with available data, Oneida generated 42,004 MWh of electricity, resulting in a capacity factor of 15.9%. The plant operates within the PacifiCorp - East balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates an installed cost of $966.04 per kW and a power purchase agreement (PPA) price of $10.78 per MWh.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
PacifiCorp - East
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
1.1K MWh
Latest Month
42.0K MWh
Annual Generation
15.9%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1, FERC Electric Quarterly ReportsHIGH
$10.8/MWh
PPA Price
PacifiCorp
Contract Seller
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
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Last updated 2026-03-26
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