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Gridcensus

MALVERNE

Substation

New York · LONG ISLAND POWER AUTHORITY

Max voltage
69
kV

At a glance

MALVERNE is a 69 kV electric substation in New York on LONG ISLAND POWER AUTHORITY's transmission network, recorded in the HIFLD transmission dataset. 2 transmission lines connect to it. 343 of New York's 570 named substations operate in a higher voltage band. The highest-scoring datacenter candidate site within about 25 miles is RAINEY in New York County, with a DC Readiness score of 72/100.

MALVERNE is an electric transmission substation in New York, on LONG ISLAND POWER AUTHORITY's transmission network. It is classified as distribution (69–115 kv) and connects 2 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.

Voltage & classification

Max voltage69 kV
Min voltage69 kV
Voltage classDistribution (69–115 kV)
Connected lines2

Ownership

Line owner (most lines)LONG ISLAND POWER AUTHORITY
Coordinates40.6773, -73.6664

Connected transmission lines

Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.

Line IDVoltageOwnerStatusLength
#11189269 kVLONG ISLAND POWER AUTHORITYIN SERVICE0.0 mi
#14369669 kVLONG ISLAND POWER AUTHORITYIN SERVICE0.0 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of MALVERNE, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near MALVERNE substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
RAINEYSubstation-AdjacentNYNew York County345 kV600 MW4.3 yrs72.2
Charles PolettiBrownfieldNYNew York138 kV883 MW4.3 yrs71.2
DUFFY AVENUE CONVERTER STATIONSubstation-AdjacentNYNassau County500 kV1,000 MW4.3 yrs70.2
GOWANUSSubstation-AdjacentNYKings County345 kV600 MW4.3 yrs69.3
FARRAGUTSubstation-AdjacentNYNew York County345 kV600 MW4.3 yrs69.3
SHORE RDSubstation-AdjacentNYNassau County345 kV600 MW4.3 yrs68.8
BERGENSubstation-AdjacentNJNew York County345 kV600 MW2.7 yrs68.7
Hudson County Schools of Technology (GSHP)BrownfieldNJHudson345 kV—2.7 yrs68.5

How does MALVERNE compare with other substations in New York?

New York has 2,777 substation records in HIFLD, of which 570 carry a station name; the rest are unnamed tap points, risers and line ends. 80 named substations in the state are in MALVERNE's 69–114 kV band (14% of named stations). 343 sit in a higher band. 56 named substations in New York operate at 345 kV or above. The highest voltage recorded in the state is 765 kV, and the state median is 115 kV.

Who owns the transmission lines at MALVERNE?

The 2 connected lines listed above are owned by LONG ISLAND POWER AUTHORITY. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 0 miles.

How do candidate sites near MALVERNE score?

The 8 highest-scoring candidate sites within about 25 miles range from 69 to 72 on the 0–100 DC Readiness scale. They fall in New York County, New York, Nassau County, Kings County. The New York average across 2,980 scored sites is 54. 844 of those New York sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is MALVERNE substation?

MALVERNE has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so MALVERNE is below the national midpoint.

How many transmission lines connect to MALVERNE substation?

2 transmission lines terminate at or pass through MALVERNE in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 0 miles.

Who owns MALVERNE substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at MALVERNE belong to LONG ISLAND POWER AUTHORITY. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is MALVERNE substation located?

MALVERNE is in New York at 40.6773, -73.6664. The datacenter candidate sites closest to it are in New York County, New York, Nassau County.

Are there datacenter candidate sites near MALVERNE substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of MALVERNE. The highest-scoring is RAINEY at 72/100. Across New York, the average DC Readiness score is 54.

Other 69 kV substations in New York

About this data

Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “MALVERNE substation, New York”, https://gridcensus.com/substations/new-york/malverne-22ffff0e (data as of June 29, 2026).

Dataset updated . Screening estimates derived from public data sources.

Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.

Go deeper than the public screen

Every site and score for MALVERNE substation, New York is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.