Caithness Long Island Energy Center is a 348.9MW gas fired power project. It is located in New York, the US. The project is currently active. It has been developed in single phase. Post completion of construction, the project got commissioned in August 2009.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Thermal 348.9 348.9 Active New York, the US


The project is currently owned by Caithness Long Island.

It is a Combined Cycle Gas Turbine (CCGT) power plant that is used for Baseload. The power plant run on dual-fuel. The primary fuel being used to power the plant is natural gas. In case of shortage of natural gas the plant can also run on Distillate Fuel Oil.

The project generated 2,173,015MWh of electricity. The project cost is $501.097m.

Development Status

The project got commissioned in August 2009.

Power Purchase Agreement

The power generated from the project is sold to Long Island Power Authority under a power purchase agreement.

Contractors Involved

Siemens was selected as the turbine supplier for the Gas fired project. The company provided 1 unit of SGT6-5000F gas turbine with 196.2MW nameplate capacity.

Siemens was selected as the turbine supplier for the Gas fired project. The company provided 1 unit of SST-900 RH steam turbine with 152.7MW nameplate capacity.

Siemens supplied Air Cooled electric generator for the project.

Nooter supplied steam boiler for the project.

Siemens is the O&M contractor for thermal power project.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.