PJM-AH1-552
670.2 MW hybrid in Prince George's, MD · In queue since March 2025 · Proposed COD June 2025
670.2 MW
Capacity
1
Components
Solar
1y 4m
In Queue
System Impact Study
IA Phase
COD target: 2025
Total Duration
3 months
Schedule
13 months past proposed COD
Study Phase
TC2
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: 2025-06-01
Project entered PJM queue at System Impact Study stage
PJM-AH1-552 is a proposed 670.2 MW hybrid solar and battery project located in Prince George's County, Maryland. The project, interconnecting to PEPCO via the Chalk Point 230 kV point of interconnection, consists of 670.2 MW of solar generation. It is currently active in the PJM interconnection queue, with an entry date of September 10, 2021, and a proposed commercial operation date of June 1, 2025.
The interconnection agreement for PJM-AH1-552 is currently listed as "In Progress (unknown study)".
Generated from interconnection queue and public data sources
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
MD
County
Prince George's
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
Chalk Point Steam, LLC
Utility
PEPCO
Entity
PJM
Service Type
NRIS
Point of Interconnection
Chalk Point units 1 and 2 (the retired coal plant)
Data Source
LBNL
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- ISO / RTO
- PJM
- Trading Hub
- WESTERN HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- SMECO 13 KV SMECO
- POI Substation
- Chalk Point Switching Station
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.
Top solar plant owners in the US
Data tables and metrics from the InfraSure database.
Top solar plant owners in the US
Data tables and metrics from the InfraSure database.
Top 10 solar states
Data tables and metrics from the InfraSure database.
Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
