Query
Seaside BESS
Type
Entity Briefing
Entity
Seaside BESS
State
TN
Technology
battery
Generated
2026-10-17T16:23:13.752Z

Briefing on Seaside BESS

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
200 MW
Capacity
Operating
Current status
2025
Operating since
1
Generators
-1.2%
Capacity factor
-11 GWh
Annual generation
Briefing/plantOperating

Seaside BESS is a 200 MW Batteries asset in Oregon, currently Operating.

Seaside BESS is reported in Oregon since 2025 under Portland General Electric. Available operating and financial measures include -1.2% capacity factor and -11 GWh annual generation; $1361/kW reported CapEx.

Location
Multnomah, Oregon
Technology
Batteries
Owner / parent
Portland General Electric
Operator
Portland General Electric Co
Grid
Portland General Electric Company
Plant ID
67711

What stands out

1

Seaside BESS is a 200 MW Batteries asset in Oregon with status Operating.

2

Latest annual operating measures report -1.2% capacity factor and -11 GWh annual generation.

3

Available financial measures include $1361/kW CapEx.

4

Latest linked story: “PGE completes BESS projects with 475MW capacity” (www.bestmag.co.uk, 2025-08-12).

Market and operating context

Balancing authority
Portland General Electric Company
NERC region
WECC
State rank
#5 of 10
National rank
#172 of 994

Why it matters

For this asset, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.