Prospect Power
200 MW storage in Rockingham, VA · In queue since May 2019 · Proposed COD February 2026
200 MW
Capacity
1
Components
Battery
7 years
In Queue
IA Executed
IA Status
COD target: 2026
Total Duration
6y 9m
Schedule
3 months past proposed COD
Interconnection request submitted to ISO/RTO
PJM processes interconnection requests through multi-phase System Impact Studies (SIS).
Typical: ~48 months (historically longest)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2026-02-01
Prospect Power is a proposed 200 MW battery storage project located in Rockingham County, Virginia. The project is being developed within the PJM Interconnection queue under queue ID PJM-AF1-028. Its queue entry date is May 13, 2019, and the proposed commercial operation date is February 1, 2026. The interconnection agreement for Prospect Power has been executed.
The project is interconnected to the Dominion utility grid at the Endless Caverns 115 kV point of interconnection. Prospect Power has been the subject of recent news coverage, with eight articles focusing on deals, regulatory matters, and development aspects of the project.
Generated from interconnection queue and public data sources
State
VA
County
Rockingham
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
—
Utility
Dominion
Entity
PJM
Service Type
—
Point of Interconnection
Endless Caverns 115 kV
Data Source
LBNL + Live
- ISO / RTO
- PJM
- Trading Hub
- DOMINION HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- ENDCAVRN35 KV ENDCA1SP
- POI Substation
- Endless Caverns Substation
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.
Last updated 2026-03-26
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