Fourth Quarter
500 MW storage in Montgomery, MD · In queue since October 2020 · Proposed COD June 2024
500 MW
Capacity
1
Components
Battery
5y 7m
In Queue
System Impact Study
IA Status
COD target: 2024
Total Duration
3y 8m
Schedule
23 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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2024-06-01
The Fourth Quarter project is a proposed 500 MW battery storage project located in Montgomery County, Maryland. Interconnecting to PEPCO via the Dickerson 230 kV point of interconnection, the project is in the PJM interconnection queue as entry AG1-483, with a queue entry date of October 1, 2020. The proposed commercial operation date is June 1, 2024. As of the current interconnection status, the project is in the System Impact Study phase.
The Fourth Quarter project has been the subject of recent news coverage, with 30 articles published on the project. The news coverage primarily focuses on industry developments, with additional articles covering deals, grid infrastructure, and project development.
Generated from interconnection queue and public data sources
State
MD
County
Montgomery
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
—
Utility
PEPCO
Entity
PJM
Service Type
—
Point of Interconnection
Dickerson 230 kV
Data Source
LBNL
- ISO / RTO
- PJM
- Trading Hub
- WESTERN HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- DICKERSH13 KV HCT1
- POI Substation
- Dickerson H 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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