Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
75 MW BESS operating in Washington, OR
75 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
45.5590, -122.9437
County
Washington, OR
Nearby Plants
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
See the full risk decomposition + scenarios for this asset.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Portland General Electric Co | Portland General Electric | — |
| Owner(s) | Portland General Electric Co | Portland General Electric | — |
| Status | Operating | — | — |
Constable BESS is a 75 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, operating within the Western Electricity Coordinating Council (WECC) NERC region. The facility utilizes batteries as its primary fuel source (MWH) and consists of a single generator.
The battery system has a total storage capacity of 300 MWh, providing a duration of 4 hours. The battery chemistry is lithium-ion (LIB). Constable BESS ranks as the 10th largest of 12 battery storage plants in Oregon, and 555th out of 1205 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
Portland General Electric Company (PGE)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
−1.1K MWh
Net Charging
-10.8K MWh
Annual Net Energy
-1.6%
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.
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this asset.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $102.1M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this asset.
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
154 buyers • 8,584 active contracts
+ 149 more offtakers in the full bridge. Top 5 shown.
Browse source data on FERC EQRNo insights linked yet for this plant.
Insights enrichment runs on demand — we have the pipeline, we just haven't fetched coverage for this plant yet. Request a detailed re-run and we'll add it.
No Ask reports yet for this entity.
Ask about Constable BESSForward forecasts, scenario decomposition, and risk-decision tooling for this asset.