300 MW storage in Box Elder, UT · In queue since May 2023 · Proposed COD January 2030
300 MW
Capacity
1
Components
Other Storage
2y 10m
In Queue
—
IA Status
COD target: 2030
Total Duration
6y 8m
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: 2030-01-04
State
UT
County
Box Elder
Region
West
Developer
PacifiCorp
Utility
PacifiCorp
Entity
PacifiCorp
Point of Interconnection
Bridgerland substation
Data Source
LBNL
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US market | Berkshire-owned PacifiCorp, citing liquidity, sells Washington assets to Portland General Electric for $1.9 billion
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Last updated 2026-03-14