689.4 MW Natural Gas operating in Umatilla, OR — Gridforce Energy Management, LLC
689.4 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2002
Operating Since
Coordinates
45.7935, -119.3130
County
Umatilla, OR
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hermiston Power Partnership | Hermiston Power Partnership | — |
| Owner(s) | Hermiston Power Partnership | Hermiston Power Partnership | — |
| Status | Operating | — | — |
Hermiston Power Partnership is a 689.4 MW natural gas-fired combined cycle power plant located in Umatilla County, Oregon. The plant began operating in 2002 and consists of 3 generators. It is owned and operated by Hermiston Power Partnership. The plant is within the Western Electricity Coordinating Council (WECC) NERC region, and its balancing authority is Gridforce Energy Management, LLC.
In the most recent year of data, the plant generated 2,988,998 MWh of electricity, achieving a capacity factor of 49.8%. Hermiston Power Partnership is ranked as the largest of 10 natural gas plants in Oregon, and 325th out of 945 nationwide.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Gridforce Energy Management, LLC
Grid Voltage
500 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
323.4K MWh
Latest Month
3.0M MWh
Annual Generation
49.8%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
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