Millwood Energy Storage
273.5 MW storage in Westchester, NY · In queue since September 2024 · Proposed COD December 2028
273.5 MW
Capacity
1
Components
Battery
1y 8m
In Queue
—
IA Status
COD target: 2028
Total Duration
4y 3m
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)
Proposed COD: 2028-12-01
Millwood Energy Storage is a proposed 273.5 MW battery storage project located in Westchester County, New York. The developer is 82 Shingle House Rd, LLC, and the project is slated to interconnect with ConEd via the Millwood West 345kV point of interconnection. It is currently listed as active in the NYISO interconnection queue under queue ID NYISO-C24-282, with an entry date of September 25, 2024, and a proposed commercial operation date of December 1, 2028.
The development project consists solely of battery storage, with a total capacity of 273.5 MW. The project has been mentioned in recent news coverage related to the energy industry.
Generated from interconnection queue and public data sources
State
NY
County
Westchester
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
82 Shingle House Rd, LLC
Utility
ConEd
Entity
NYISO
Service Type
—
Point of Interconnection
Millwood West 345kV
Data Source
LBNL
- ISO / RTO
- NYISO
- Trading Hub
- ZONE I
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- NGRID_A4_DSASP
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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