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14.8 MW Hydro operating in Spokane, WA — Avista Corporation
14.8 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1992
Operating Since
Coordinates
47.6536, -117.4206
County
Spokane, WA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Avista Corp | Avista | — |
| Owner(s) | Avista Corp | Avista | — |
| Status | Operating | — | — |
The Monroe Street Hydroelectric Project, located in Spokane County, Washington, is a 14.8 MW conventional hydroelectric facility. The plant, which began operating in 1992, is owned and operated by Avista Corporation. It utilizes water as its primary fuel source and consists of a single generator. Monroe Street operates within the Avista Corporation balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, the plant generated 89,885 MWh, achieving a capacity factor of 69.2%. The installed cost of the facility was $2,487.03 per kW. Monroe Street is ranked as the 44th largest power plant in Washington out of 75, and 561st nationally out of 1464 plants. Financial data for the plant is available from FERC filings.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
10.4K MWh
Latest Month
89.9K MWh
Annual Generation
69.2%
Capacity Factor
Run-of-river hydro · Avista Corporation · Data from 2015–2024
$2,466/kW
Installed Cost
$9.0/MWh
Operating Cost
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 2026-03-14
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ask pi about Monroe StreetAvista Corporation (AVA)
Grid Voltage
13.8 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility