Saint Catherine of Siena Medical Center

Saint Catherine of Siena Medical Center is a 2 MW oil-fired power plant in Suffolk County, New York, operated by Saint Catherine of Siena Medical Center. EIA-860M lists 5 generating units here, inside NYISO. Its units entered service between 1972 and 2002.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
2.2 MW
1.8 MW net summer
Generating units
5
In service
1972–2002
EIA plant ID
62003

Where it is

Loading map…
County
Suffolk County, New York
Coordinates
40.8995, -73.2709
Balancing authority
NYIS
Sector
Commercial Non-CHP

Units, technology and status

Operator of record
Saint Catherine of Siena Medical Center
Primary energy source
Petroleum
Technologies
Petroleum Liquids
Status
Standby/Backup

Every plant Saint Catherine of Siena Medical Center reports to EIA →

Saint Catherine of Siena Medical Center: FAQ

Where is Saint Catherine of Siena Medical Center?
In Suffolk County, New York (NY). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Saint Catherine of Siena Medical Center?
2 MW of nameplate capacity across 5 units, as of the EIA-860M release for 2026-07.
Who owns Saint Catherine of Siena Medical Center?
EIA-860M names Saint Catherine of Siena Medical Center as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Saint Catherine of Siena Medical Center LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Saint Catherine of Siena Medical Center here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Saint Catherine of Siena Medical Center LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Saint Catherine of Siena Medical Center still running?
EIA-860M files it as "Standby/Backup" for 2026-07. Statuses change monthly, and this page follows the monthly release.