17 MW BESS operating in Washington, OR — Portland General Electric Company
17 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
45.3410, -122.7806
County
Washington, OR
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Portland General Electric Co | Portland General Electric | — |
| Owner(s) | Portland General Electric Co | Portland General Electric | — |
| Status | Operating | — | — |
Coffee Creek BESS is a 17 MW battery energy storage system located in Washington County, Oregon. The plant began operating in 2024 and is owned and operated by Portland General Electric (PGE). It is interconnected to the grid within the Portland General Electric Company balancing authority, which falls under the Western Electricity Coordinating Council (WECC) NERC region. The facility utilizes batteries as its primary fuel source (MWH) and has one generator.
The Coffee Creek BESS has a total storage capacity of 34 MWh, providing a duration of 2 hours at its full 17 MW output. The battery chemistry is lithium-ion (LIB). In terms of its size relative to other battery storage facilities, Coffee Creek BESS ranks as the 11th largest in Oregon out of 12 such plants, and 710th nationally out of 1205.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Portland General Electric Company
Grid Voltage
13 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
−23 MWh
Net Charging
-73 MWh
Annual Net Energy
-0.0%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
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 2026-03-14
View all articles