Cheltenham 500 kV
400 MW storage in Prince George's, MD · In queue since April 2026 · Proposed COD April 2029
400 MW
Capacity
0
Components
6 months
In Queue
—
IA Status
COD target: 2029
One connected view of the asset's ownership, operating or development evidence, grid context, commercial relationships, history, and forward outlook.
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Total Duration
3 years
Study Phase
C01
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: 2029-04-02
Cheltenham 500 kV (PJM queue ID PJM-C01-1268) is a proposed 400 MW battery energy storage development project located in Prince George's County, Maryland. The project is being developed by Lighthouse Keys II, LLC and would connect to the transmission system at the Cheltenham 500 kV point of interconnection, within the service territory of the utility PEPCO. It is classified as a standalone storage project and has been submitted under the generation interconnection service type.
The project entered the PJM Interconnection queue on April 27, 2026, and currently holds an active status. It is being evaluated as part of PJM's Cycle 1 (C01) study phase. The developer has proposed a commercial operation date of April 2, 2029.
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
Lighthouse Keys II, LLC
Utility
PEPCO
Entity
PJM
Service Type
Generation Interconnection
Point of Interconnection
Cheltenham 500 kV
Data Source
live-pjm_cycle
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)
- CHELTENH18 KV CTG11
- POI Substation
- Cheltenham 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.
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Ask about Cheltenham 500 kVForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
