Montauk Energy Storage Center

Montauk Energy Storage Center is a 5 MW storage power plant in New York, United States of America. It is operated by Montauk Energy Storage Center LLC. Based on reported annual generation of -1 GWh, it can supply roughly -200 homes. It ranks #5874 of 9,833 United States of America power plants by installed capacity. Commissioned in 2019, it is around 7 years old — recently built. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0062734.

Capacity vs largest storage plants in United States of America

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Montauk Energy Storage Center LLC.

Local climate & thermal context

This storage plant stores and releases electricity (pumped-hydro or batteries) to balance the grid. It sits in a temperate oceanic climate (Köppen Cfb) — Northern Hemisphere, latitude 41.0°N — which shapes how much energy it can produce and how its output varies through the year.

Monthly mean temperature

Heating degree-days here run 19% above the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 60/100 — this site sits in the mid third of the power plants we cover by heating degree-days.

In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

How it compares & nearby plants

The #42 largest storage power plant of 104 in United States of America by capacity.

United States of America has 104 storage power plants in this dataset, together about 816 MW of capacity.

Nearby power plants

• East Hampton Energy Storage Center · Storage · 5 MW · New York
• East Hampton · Oil · 27 MW · New York
• Fishers Island 1 · Oil · 3 MW · Connecticut
• Gary Court 1 & 2 · Oil · 5 MW · Connecticut
• Pfizer Groton Plant · Gas · 38 MW · Connecticut
• Pfizer Groton Fuel Cell · Gas · 6 MW · Connecticut

Location

Coordinates 41.0399, -71.9644 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.