CLOSTER
SubstationNew Jersey · ROCKLAND ELECTRIC CO
At a glance
CLOSTER is an electric transmission substation in New Jersey, on ROCKLAND ELECTRIC CO's transmission network. It is classified as unclassified 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #167736 | — | ROCKLAND ELECTRIC CO | — | 4.2 mi |
| #168244 | — | ROCKLAND ELECTRIC CO | IN SERVICE | 2.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of CLOSTER, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| RAINEY | Substation-Adjacent | NY | New York County | 345 kV | 600 MW | 4.3 yrs | 72.2 |
| Charles Poletti | Brownfield | NY | New York | 138 kV | 883 MW | 4.3 yrs | 71.2 |
| UNKNOWN172520 | Substation-Adjacent | NJ | Hudson County | 230 kV | 300 MW | 2.7 yrs | 69.9 |
| UNKNOWN132611 | Substation-Adjacent | NJ | Richmond County | 230 kV | 300 MW | 2.7 yrs | 69.7 |
| Bowline Point | Brownfield | NY | Rockland County | — | 750 MW | 4.3 yrs | 69.5 |
| FARRAGUT | Substation-Adjacent | NY | New York County | 345 kV | 600 MW | 4.3 yrs | 69.3 |
| GOWANUS | Substation-Adjacent | NY | Kings County | 345 kV | 600 MW | 4.3 yrs | 69.3 |
| UNKNOWN132256 | Substation-Adjacent | NJ | Rockland County | 345 kV | 600 MW | 2.7 yrs | 68.9 |
Who owns the transmission lines at CLOSTER?
The 2 connected lines listed above are owned by ROCKLAND ELECTRIC CO. Their combined recorded length is about 6.5 miles.
How do candidate sites near CLOSTER 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, Hudson County, Richmond County. The New Jersey average across 1,055 scored sites is 55.2. 160 of those New Jersey sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to CLOSTER substation?
2 transmission lines terminate at or pass through CLOSTER in the HIFLD line data. Together the listed lines cover about 6.5 miles.
Who owns CLOSTER substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at CLOSTER belong to ROCKLAND ELECTRIC CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is CLOSTER substation located?
CLOSTER is in New Jersey at 40.9815, -73.9593. The datacenter candidate sites closest to it are in New York County, New York, Hudson County.
Are there datacenter candidate sites near CLOSTER substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of CLOSTER. The highest-scoring is RAINEY at 72/100. Across New Jersey, the average DC Readiness score is 55.2.
More in New Jersey
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, “CLOSTER substation, New Jersey”, https://gridcensus.com/substations/new-jersey/closter-db5fe5a7 (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 CLOSTER substation, New Jersey 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.