Sullivan Storage BESS
199.9 MW storage in Sullivan, NY · In queue since August 2026
199.9 MW
Capacity
0
Components
2 months
In Queue
—
IA Status
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
2 months
Interconnection request submitted to ISO/RTO
NYISO transitioned to a Transitional Cluster Study (TCS) format in 2024.
Typical: >42 months (historical); ~24 months target
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Commercial operation date not yet determined
Sullivan Storage BESS is a proposed battery energy storage development project located in Sullivan County, New York. Developed by RWE Solar Development, LLC, the project would have a total capacity of 199.9 megawatts (MW) and is classified as a standalone storage facility using energy storage (ES) technology. The project plans to interconnect to the transmission system at the Coopers Corners 345 kV point of interconnection, within the service territory of transmission owner New York State Electric & Gas (NYSEG).
The project is listed in the New York Independent System Operator (NYISO) interconnection queue under the identifier NYISO-C26-0044, with a queue entry date of August 28, 2026. Its current status in the queue is active. The available queue data does not specify a proposed commercial operation date or the status of an interconnection agreement for the project.
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
NY
County
Sullivan
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
RWE Solar Development, LLC
Utility
Transmission Owner NYSEG Transmission Owner NaN Name: 236, dtype: object
Entity
NYISO
Service Type
—
Point of Interconnection
Coopers Corners 345 kV
Data Source
Live · NYISO
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
- NYISO
- Trading Hub
- ZONE G
- Hub Confidence
- HIGH
- POI Substation
- Coopers Corners 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.
No Ask reports yet for this entity.
Ask about Sullivan Storage BESSForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
