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400 MW BESS planned in Washington, OR — Portland General Electric Company
400 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
Planned: —
Planned Operation
Coordinates
45.0000, -122.0000
County
Washington, OR
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | TUAL bn, LLC | — | — |
| Owner(s) | Cordelio Power Holdings, LLC, WestDevco, LLC | — | — |
| Status | Planned | — | — |
The Tualatin Battery Energy Storage System is a 400 MW battery energy storage facility located in Washington County, Oregon. The plant is owned and operated by TUAL bn, LLC. It consists of a single generator utilizing battery technology and MWH as its primary fuel source. The facility operates within the Portland General Electric Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
The Tualatin Battery Energy Storage System is ranked as the 5th largest of 8 battery storage plants in Oregon, and 97th out of 514 nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $544.4M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
View all 10 articlesNo ask pi reports yet for this entity.
ask pi about Tualatin Battery Energy Storage SystemPortland General Electric Company (PGE)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP