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33 MW Hydro operating in Caribou, ID
33 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1923
Operating Since
Coordinates
42.5369, -111.7942
County
Caribou, ID
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PacifiCorp | PacifiCorp | — |
| Owner(s) | PacifiCorp | Berkshire Hathaway | — |
| Status | Operating | — | — |
The Grace hydroelectric plant is located in Caribou County, Idaho. The plant, which began operating in 1923, has a total capacity of 33 MW across three generators. It is owned by Berkshire Hathaway and operated by PacifiCorp. The plant utilizes conventional hydroelectric technology and its primary fuel source is water (WAT). Grace is ranked as the 15th largest power plant in Idaho out of 76, and 389th nationally out of 1464 plants.
In the most recent year with available data, Grace generated 88,096 MWh, achieving a capacity factor of 30.3%. 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 $750.88 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
3.1K MWh
Latest Month
88.1K MWh
Annual Generation
30.3%
Capacity Factor
PacifiCorp · Data from 2015–2025
$10.8/MWh
PPA Price
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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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