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Battery storage · Multnomah County, Oregon
Seaside BESS
A 200 MW battery storage project in Multnomah County, Oregon. Seaside BESS is built and in service. Public records name Portland General Electric Co as its developer. A builder is on record; its name and the people to call are in the app.
The record
What the public record says about Seaside BESS, as of 22 Oct 2026.
| Stage | Operating |
|---|---|
| Construction start | In service since 2025 |
| Size | 200 MW |
| Location | Multnomah County, Oregon (to about 10 km) |
| Developer | Portland General Electric Co |
| Grid operator | — |
| Builder (EPC) | on record, in the app |
| Trade subcontractors | in the app |
| People to call | in the app |
| Phase windows | in the app |
Every fact in the app links to the public record behind it, with how many records agree and whether it is confirmed, reported or an estimate. What the terms mean.
What happened
Each change dated by the scene or the document, newest first.
- Stormwater permit filed.
Who was named on it, and when, is in the app.
Also developed by Portland General Electric Co
| Project | Stage | Size |
|---|---|---|
| Constable BESSBattery storage · Washington County, Oregon | Operating | 75 MW |
| Coffee Creek BESSBattery storage · Washington County, Oregon | Operating | 17 MW |
| Baldock Solar HighwayUtility solar · Clackamas County, Oregon | Operating | 1 MW |
Also in Multnomah County
| Project | Stage | Size |
|---|---|---|
| BPA request G0609Battery storage | Queued | 400 MW |
| Sundial (Troutdale) BESSBattery storage | Operating | 200 MW |
| Goodling Community SolarUtility solar | Operating | 1 MW |
| Oregon Convention CenterUtility solar | Operating | 1 MW |
More
Questions
Seaside BESS, in short.
Where is Seaside BESS?
Seaside BESS is a 200 MW battery storage project in Multnomah County, Oregon. The public page places it to within about ten kilometres; the precise location is in the subscriber record.
When does construction start on Seaside BESS?
Seaside BESS is built and in service since 2025.
Who is developing Seaside BESS?
Portland General Electric Co, as the public record names it.
Who is building Seaside BESS?
A builder is named for Seaside BESS in the public record. Its name, the trade subcontractors and the people to call are in the subscriber record, each with the record that names it.
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