Briefing/projectactive
Holtsville 138kV Energy Storage is a 110 MW Battery project in New York, currently active.
Holtsville Energy Storage, LLC is the reported developer. The reported queue phase is System Impact Study. Proposed COD is 2026-09-01.
- Queue ID
- NYISO-956
- Location
- Suffolk, New York
- Technology
- Battery
- Developer
- Holtsville Energy Storage, LLC
- Market / region
- NYISO
- Point of interconnection
- West Bus 138 kV
What stands out
1
Holtsville 138kV Energy Storage is a 110 MW Battery project in New York with status active.
2
Holtsville Energy Storage, LLC is the reported developer.
3
The reported queue phase is System Impact Study; proposed COD is 2026-09-01.
4
Latest linked story: “Energy company files lawsuit over building Holtsville battery energy storage system” (News12 | Long Island, 2026-01-09).
Market and operating context
- Queue date
- 2019-12-10
- Proposed COD
- 2026-09-01
- IA status
- System Impact Study
- Study phase
- System Impact Study
Why it matters
Queue phase, proposed timing, developer identity, and linked events determine how much of the stated pipeline should be treated as actionable development capacity. The project page and deeper report preserve those fields for further diligence.
