Caithness Long Island Energy Center
Lotus Infrastructure Partners, LP - Suffolk County - NYISO
A natural-gas-fired combined-cycle power plant located at 50 Zorn Boulevard, Yaphank, Suffolk County, New York. The facility consists of two units with nameplate capacities of 196.2 MW and 152.7 MW, totaling 348.9 MW. Power output is primarily sold under a long-standing power purchase agreement with Long Island Power Authority. Lotus Infrastructure Partners, LP acquired 100% of the facility on January 7, 2026, and announced its intention to rename it Brookhaven Energy Center.
Overview
Key fields
- Nameplate capacity
- 348.9 MW
Canonical EIA plant baseline.
- Registry anchor
- Plant 56234
plant-56234
Structured profile
- Technology
- Natural Gas Fired Combined Cycle
- Operator
- Caithness Long Island, LLC
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| CT01 | 196.2 MW 187.7 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Aug 2009 | Operating |
| ST01 | 152.7 MW 129.6 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CA | Aug 2009 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 348.9 MW
- National rank
- #339
- NY rank
- #11
Monthly generation
Download CSVMonthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Grid and market context
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Nearby substations
HIFLD infrastructure inventoryCommercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Transactions and agreements
Related parties and identifiers
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Relationship graph
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Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Owner / O&M provider / asset manager | Current owner/acquirer per official closing announcement | |
| Project company / owner / operator | Project company and former operator per PSC order and EIA listing | |
| Former owner / developer / sponsor | Developer and seller per official transaction announcement | |
| Offtaker / transmission owner / interconnecting utility | Transmission/distribution owner and power purchaser per PSC order, EIA data, and NERC audit | |
| Grid selection | plant:plant-56234 | Canonical asset page /nyiso/assets/plant/caithness-long-island-energy-center. |
Reporting portfolio
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- CPCN Petition Fileddocuments.d...
Caithness Long Island, LLC filed a petition for a Certificate of Public Convenience and Necessity (CPCN) to develop, own, and operate an approximately 346 megawatt electric generating plant in the Town of Brookhaven, Suffolk County.
- Generators enter operationEIA-860
EIA-860 lists generator CT01, generator ST01 with this operating date.
- Acquisition Agreement Announcedlotusinfras...
Lotus Infrastructure Partners and Caithness Energy announced a definitive agreement for Lotus to acquire 100% of the economic interests in Caithness Long Island Energy Center.
- Acquisition closes; facility to be renamed Brookhaven Energy Centerlotusinfras...
Lotus Infrastructure Partners, LP announced the closing of its acquisition of 100% of the economic interests in Caithness Long Island Energy Center from Caithness Energy, LLC. Following the closing, Lotus intends to rename the facility Brookhaven Energy Center.
Sources
Common questions about Caithness Long Island Energy Center
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
How big is Caithness Long Island Energy Center?
Caithness Long Island Energy Center has a reported capacity of 348.9 MW. Source: EIA Form 860M.
What kind of plant is Caithness Long Island Energy Center?
Caithness Long Island Energy Center is a Natural Gas Fired Combined Cycle facility in Suffolk County, NY, participating in the NYISO market.
Where is Caithness Long Island Energy Center located?
Caithness Long Island Energy Center is in Suffolk County, NY, inside the NYISO balancing area.
Who operates Caithness Long Island Energy Center?
Caithness Long Island Energy Center is operated by Caithness Long Island, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
How much electricity does Caithness Long Island Energy Center generate?
Caithness Long Island Energy Center reported 2,282 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.
How does Caithness Long Island Energy Center compare to other plants?
By capacity, Caithness Long Island Energy Center ranks #339 of 538 operating plants of the same technology nationally. It ranks #11 of 39 in NY.
Co-located assets
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.
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