Constable Bess

🔋 Battery StorageElectric Utility75 MW capacity

45th largest plant in Oregon · 2940th nationally

Constable Bess is a battery storage power plant in Oregon with a nameplate capacity of 75.0 MW.

Capacity75 MWnameplate
Annual GenerationEPA eGRID
Capacity Factor
Annual CO₂metric tons

Location

Plant NameConstable Bess
OperatorPortland General Electric Co
CityHillsboro
CountyWashington County
StateOregon
ZIP97124
Coordinates45.55905, -122.94367

This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.

Natural GasHydroelectricSolarBiomassBattery Storage

Generators (1)

IDTechnologyFuelCapacityStatusOnline
CSTB1BatteriesBattery75.0 MWOperating2024

Grid context

NERC RegionWECC
Balancing AuthorityPortland General Electric Company

About Battery Storage plants

Battery storage facilities don't generate electricity — they store it. They charge from the grid (often from solar during the day) and discharge during peak demand or to firm up renewables. EIA classifies them as power plants because they connect to the grid like one.

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