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Montauk Energy Storage Center

Storage power plant in New York, United States of America. Approximate location 41.0399, -71.9644.

StorageNew YorkUnited States of America

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 its capacity (estimated), it can supply roughly 1.3k homes (estimated). It ranks #6972 of 10,938 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).

5Source-backed capacity
1,251homes powered (est.)
2019commissioned (~7 yrs)

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

Data status

Known data

FacilityMontauk Energy Storage Center WRI
CountryUnited States of America · New York WRI
Coordinates41.0399, -71.9644 WRI
FuelStorage WRI
MW installed capacity5 MW WRI source record; scope not independently normalised
OwnerMontauk Energy Storage Center LLC WRI
Commissioned2019 WRI

Calculated from dataset

Capacity rank in country#6972 of 10938 calculated
Fuel-specific rank in country#42 of 104 calculated
Capacity vs country/fuel peers1.25× · 4 MW median · 104 peers calculated
Homes-powered equivalent1,251 calculated
Climate10.6°C · HDD 2,918 derived from coordinates
Environmental severityC4 · 39/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsnot applicable not applicable

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 5 MW, Montauk Energy Storage Center is well above the median storage plant in United States of America (4 MW). This facility converts its energy source into electricity for the grid; its capacity, fuel type and location determine its role in the national power mix.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest storage plants in United States of America

AES LAWAI SOLAR Hybrid: 40 MW40AES LAWAI …Battery Energy Storage System: 40 MW40Battery En…Vista Energy Storage System: 40 MW40Vista Ener…Grand Ridge Battery Projects: 33 MW33Grand Ridg…Beech Ridge Energy Storage: 32 MW32Beech Ridg…Blue Summit Storage LLC: 30 MW30Blue Summi…Escondido Energy Storage: 30 MW30Escondido …Beacon BESS 1: 20 MW20Beacon BES…

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.

10.6°Cannual mean temp
2,918heating degree-days (base 18°C)
249cooling degree-days (base 18°C)
8 melevation

Monthly mean temperature

J: 0 °CJF: 0 °CFM: 3 °CMA: 8 °CAM: 13 °CMJ: 18 °CJJ: 22 °CJA: 22 °CAS: 18 °CSO: 13 °CON: 8 °CND: 3 °CD22 °C

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.

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.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
39/100environmental-severity index
22.4°Cseasonal temperature swing
23 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

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 815 MW of capacity.

Nearby power plants

Location

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

Frequently asked questions

What type of power plant is Montauk Energy Storage Center?

Montauk Energy Storage Center is a 5 MW source-record storage power plant in New York, United States of America, commissioned in 2019.

How many homes can Montauk Energy Storage Center power?

Its output is enough to supply roughly 1,251 homes (estimated).

Who operates Montauk Energy Storage Center?

Montauk Energy Storage Center is operated by Montauk Energy Storage Center LLC.

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