PRPA-23-05031
50 MW storage in Boulder, CO · In queue since May 2023 · Proposed COD January 2026
50 MW
Capacity
1
Components
Battery
3 years
In Queue
System Impact Study
IA Status
COD target: 2026
Total Duration
2y 8m
Schedule
4 months past proposed COD
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: 2026-01-01
The proposed PRPA-23-05031 project is a 50 MW battery storage development in Boulder County, Colorado. The project is sponsored by Platte River Power Authority (PRPA) and consists of a single 50 MW battery component. It is currently active in the transmission interconnection queue for PRPA, a utility in the Western Interconnection, with a queue entry date of May 3, 2023.
The project's proposed commercial operation date is January 1, 2026. Its interconnection status is currently in the System Impact Study phase. Recent news coverage has discussed this project.
Generated from interconnection queue and public data sources
State
CO
County
Boulder
Grid Region
Mountain West
Market
—
Developer
—
Utility
Platte River Power Authority
Entity
PRPA
Service Type
—
Point of Interconnection
Longs Peak 230kV
Data Source
LBNL
- ISO / RTO
- MOUNTAIN_WEST
- Trading Hub
- FOURCORNERS
- Hub Confidence
- UNKNOWN
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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