Cascade Dam (ID) — Plant Summary
- EIA Plant ID
- 813
- Capacity
- 12.4 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Valley, ID
- Operating Since
- 1983
- Generators
- 2
- Operator
- Idaho Power Co
- Parent Company
- IDACORP
- Annual Generation
- 37,406 MWh
- Capacity Factor
- 34.3%
- Balancing Authority
- Idaho Power Company
- ISO/RTO
- —
- NERC Region
- WECC
Cascade Dam (ID)
OperatingHydro
Ranked #27 of 76 Hydro plants in ID#588 of 1454 nationally
12.4 MW Hydro operating in Valley, ID — Idaho Power Company
EIAWD
12.4 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1983
Operating Since
Location
Coordinates
44.5256, -116.0483
County
Valley, ID
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Idaho Power Co | Idaho Power | — |
| Owner(s) | Idaho Power Co | IDACORP | — |
| Status | Operating | — | — |
Ownership Chain
About
Cascade Dam is a hydroelectric power plant located in Valley County, Idaho. The plant, which began operating in 1983, has a total capacity of 12.4 MW across two generators. It is owned by IDACORP and operated by Idaho Power Company. The primary fuel source is water (WAT), and the plant utilizes conventional hydroelectric technology. Cascade Dam ranks 27th out of 76 power plants in Idaho and 600th out of 1464 nationally.
In the most recent year with available data, Cascade Dam generated 37,406 MWh of electricity, achieving a capacity factor of 34.3%. The plant operates within the Idaho Power Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates an installed cost of $1946.5 per kW.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Idaho Power Company
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
492 MWh
Latest Month
37.4K MWh
Annual Generation
34.3%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$1,948/kW
Installed Cost
$36.7/MWh
Operating Cost
Idaho Power Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
Market Position
LMP Node
CDPO_6_TOT_GEN-APND
Pricing Hub
—
News & Articles (6)Beta
Regulatory·permitting
Idaho Power Company; Notice of Intent To File License Application, Filing of Pre-Application Document, and Approving Use of the Traditional Licensing Process
Idaho Power Company (other)
Federal Register (FERC)·3 days ago
Industry·other
Shoshone Falls massive water release
Visitors to Shoshone Falls will witness a dramatic transformation this weekend as Idaho Power releases additional water from upstream dams.
Shoshone Falls (other)Idaho Power (operator)
KTVB·9 months ago
Industry·corporate
Exclusive, PT KHE Director Eko Permanahadi: PT KHE, Initiator and Sole Developer of Hydroelectric Power Plant on Kayan River, Supports Energy Self-Sufficiency Through Green Electricity
There are two flagship programs conveyed by President Prabowo Subianto during his inauguration speech as President of the Republic of Indonesia recently,...
PT KHE (developer)Eko Permanahadi (executive)
VOI.id·1 years ago
General
Preparing for a safe trip on the Snake River
TWIN FALLS, ID — The Twin Falls County Sheriff's Department is looking to combat misinformation regarding areas of the Snake River that are open and closed.
Idaho News 6·1 years ago
Last updated 2026-03-25
View all 6 articles