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30 MW Hydro operating in Franklin, ID
30 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1915
Operating Since
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PacifiCorp | PacifiCorp | — |
| Owner(s) | PacifiCorp | Berkshire Hathaway | — |
| Status | Operating | — | — |
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
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
PacifiCorp - East (PACE)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
1.1K MWh
Latest Month
42.0K MWh
Annual Generation
15.9%
Capacity Factor
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Request a demo →PacifiCorp · Data from 2015–2025
$10.8/MWh
PPA Price
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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Request a demo →This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
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