PGE-23-221
400 MW storage in Washington, OR · In queue since March 2023 · Proposed COD September 2027
400 MW
Capacity
1
Components
Battery
3y 2m
In Queue
In Progress (unknown study)
IA Status
COD target: 2027
Total Duration
4y 6m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2027-09-01
PGE-23-221 is a proposed 400 MW battery storage project located in Washington County, Oregon. The project is being developed by Portland General Electric (PGE) and interconnected to the Evergreen Substation at 230kV. It entered the Portland General Electric interconnection queue on March 3, 2023, with a proposed commercial operation date of September 1, 2027. The interconnection agreement is currently listed as "In Progress (unknown study)".
The development project consists of a single 400 MW battery storage component. It is currently listed as an active project in the interconnection queue. The project has appeared in recent news coverage regarding PGE's grid modernization efforts.
Generated from interconnection queue and public data sources
State
OR
County
Washington
Grid Region
Mountain West
Market
—
Developer
—
Utility
Portland General Electric
Entity
PGE
Service Type
—
Point of Interconnection
Evergreen Substation 230kV
Data Source
LBNL
- ISO / RTO
- MOUNTAIN_WEST
- Trading Hub
- MID-C
- Hub Confidence
- UNKNOWN
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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