Interconnection queue › New York › Suffolk County › Storage

Storage Projects in Suffolk County, New York

Snapshot of 2026-09-07 · 92 projects

92 storage projects are in the interconnection queue in Suffolk County, New York, totaling 7,789 MW across the 92 that publish a capacity.

Grouped from the ISOs' own fuel codes (see the mapping). Codes we could not match to a published definition are left unclassified rather than assigned here.

See what moved in storage in Suffolk County, New York each week

The ISOs publish today's queue and overwrite it, so no archive exists. We keep a weekly copy. Leave your email and we'll send you each week's changes in storage in Suffolk County, New York, from new entries to projects that came off the list.

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By ISO

ISO	Projects	Capacity
NYISO	92	7,789 MW

By fuel code, as published

Fuel	Projects	Capacity
ES	92	7,789 MW

By status, as published

Status	Projects
Withdrawn	75
Cluster Study	10
Active	7

Largest projects with published capacity

The 12 highest-capacity rows in this page's exact scope, ordered by the capacity the ISO published. Projects without a published capacity are not ranked here and remain included in the totals above.

Project	ISO	MW	Status	Queue date	Proposed operation
Port Jefferson Energy Storage ID 1546	NYISO	400	Withdrawn	2023-04-21	not published
Holbrook II Energy Storage ID 1548	NYISO	400	Withdrawn	2023-04-21	not published
East Setauket Energy Storage II ID 1505	NYISO	300	Withdrawn	2023-01-19	not published
Wildwood-Riverhead Energy Storage ID 0973	NYISO	294	Withdrawn	2020-01-13	not published
East Setauket Storage II ID C24-183	NYISO	248	Cluster Study	2024-09-17	12-2029
Riptide Storage ID 1576	NYISO	200	Withdrawn	2023-07-06	not published
Flynn Energy Storage ID 1402	NYISO	160	Withdrawn	2022-07-01	not published
North Street Energy Storage ID 0746	NYISO	150	Withdrawn	2018-07-30	not published
Holbrook Energy Center ID 1049	NYISO	150	Withdrawn	2020-07-14	not published
Holtsville Energy Center ID 1050	NYISO	150	Withdrawn	2020-07-14	not published
KCE NY 37 ID C24-167	NYISO	150	Cluster Study	2024-09-16	12-2029
Ramadi Utility ID 1616	NYISO	140	Withdrawn	2023-09-27	not published

Where each number came from

Read this before quoting a figure. We re-read every source every week, but a weekly read of an unchanged file is not weekly data. These have not moved in a while: NYISO last changed 2026-08-13 (25 identical reads since). Those rows are exactly as current as the ISO's own published file, and no more.

ISO	We last read	Source last changed	Source
NYISO	2026-09-07	2026-08-13 (unchanged across 25 weekly reads)	source file

This week's changes · How this is collected

Compiled from each ISO's own published interconnection queue report. Queue position is not a permit, a contract, or a guarantee that a project will be built; most projects in every queue are eventually withdrawn. Figures are reproduced as published, are provided for informational purposes only, and carry no warranty of accuracy or completeness. Always verify against the ISO's own report before relying on any figure.