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 4m
In Queue
Cluster Study
IA Phase
COD target: 2027
Total Duration
4y 6m
Study Phase
Portland
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
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
OR
County
Washington
Grid Region
Mountain West
Market
—
Developer
—
Utility
Portland General Electric
Entity
PGE
Service Type
NRIS
Point of Interconnection
Evergreen Substation 230kV
Data Source
LBNL
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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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Ask about Project PGE-23-221Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
