Coffee Creek BESS — Plant Summary
- EIA Plant ID
- 67698
- Capacity
- 17 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Washington, OR
- Operating Since
- 2024
- Generators
- 1
- Operator
- Portland General Electric Co
- Parent Company
- Portland General Electric
- Annual Generation
- -73 MWh
- Capacity Factor
- -0.0%
- Balancing Authority
- Portland General Electric Company
- ISO/RTO
- —
- NERC Region
- WECC
Coffee Creek BESS
OperatingBESS
Ranked #8 of 9 BESS plants in OR#490 of 837 nationally
17 MW BESS operating in Washington, OR — Portland General Electric Company
EIA
17 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Location
Coordinates
45.3410, -122.7806
County
Washington, OR
Nearby Plants
- Harmony Solar ProjectSolar2 MW · 3.8 km
- Durham AWTFBio. Gas1.6 MW · 6.7 km
- Oregon Convention CenterSolar1.4 MW · 6.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Portland General Electric Co | Portland General Electric | — |
| Owner(s) | Portland General Electric Co | Portland General Electric | — |
| Status | Operating | — | — |
Ownership Chain
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Portland General Electric Company
Grid Voltage
13 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
−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.
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (2)Beta
Industry·technology
Portland General Electric completes over 1.9GWh of BESS projects in Oregon
PGE announced the completion of three battery energy storage systems (BESS) totalling more than 1.9GWh in Portland, Oregon, US.
Portland General Electric (operator)
Energy-Storage.News·7 months ago
Industry·technology
Options for Morro Bay power plant property discussed at master plan workshop
Community members were able to ask questions about the proposed battery energy storage system project (BESS) during a workshop Wednesday...
KSBY News·1 years ago
Last updated 2026-03-14
View all articles