Datacenter Sites in Mercer County, New Jersey

Mercer County has 134 scored datacenter candidate sites averaging 54.9/100 DC Readiness, with a catalogued aggregate of 5,264 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.

At a glance

Mercer County, New Jersey has 134 scored datacenter candidate sites averaging 54.9/100 DC Readiness, roughly in line with the New Jersey average of 55.2. It ranks 1st of 21 New Jersey counties by number of sites and 15th by average score. The top-scoring site is EAST WINDSOR at 68.9/100.

134

Candidate sites

54.9/100

Avg DC Readiness

5,264 MW

Catalogued capacity

theoretical aggregate

Relatively Moderate

Hazard rating

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≥ 7560–7540–60≤ 40

Top 25 in Mercer County

Site-selection context for Mercer County

Yessales_tax_exemption

Datacenter tax incentive

9.79¢/kWh

Commercial electricity

7.15¢/kWh

Industrial electricity

Fiber providers

Low

Water stress

$26,811

Land price / acre

1,000

Cooling degree days

4,900

Heating degree days

53°F

Mean annual temp

Incentive detail: UEZ sales tax exemption (reduced rate); BEIP/Grow NJ incentives for job creation.

How does Mercer County compare with other counties in New Jersey?

By number of scored sites, Mercer County ranks 1st of the 21 New Jersey counties with a county page, holding 13% of the state's 1,055 sites. Its average DC Readiness of 54.9/100 ranks 15th in the state and is roughly in line with the national average of 53.0. Nationally it has the 207th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 29 score 55 or higher.

What types of datacenter sites are in Mercer County?

Industrial sites are the most common (101, 75% of the county's inventory), followed by substation-adjacent (20) and greenfield (6). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.

What are power cost, hazard, water and fiber conditions in Mercer County?

Industrial electricity averages 7.15¢/kWh and commercial 9.79¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (28). WRI water stress is low. 10 fiber providers report service in the county. The climate runs 1,000 cooling degree days a year with a mean temperature of 53°F. Land is valued around $26,811 an acre.

By site type

Top datacenter sites in Mercer County

Top datacenter sites in Mercer County
Site	Type	Voltage	Capacity	Queue wait	Score
EAST WINDSOR	Substation-Adjacent	500 kV	1,000 MW	2.7 yrs	68.9
Lake Campus Project at Princeton University (GSHP)	Brownfield	—	—	2.7 yrs	67.2
Princeton Landfill Solar	Brownfield	—	3 MW	2.7 yrs	65.2
WINDSOR	Substation-Adjacent	230 kV	300 MW	2.7 yrs	64.7
CLARKSVILLE	Substation-Adjacent	230 kV	300 MW	2.7 yrs	64.5
TRENTON	Substation-Adjacent	230 kV	300 MW	2.7 yrs	63.6
KUSER ROAD	Substation-Adjacent	230 kV	300 MW	2.7 yrs	63.5
MERCER	Substation-Adjacent	230 kV	300 MW	2.7 yrs	63.4
TAP141136	Substation-Adjacent	230 kV	300 MW	2.7 yrs	63.4
LAWRENCE SW	Substation-Adjacent	230 kV	300 MW	2.7 yrs	63.3
UNKNOWN123437	Substation-Adjacent	230 kV	300 MW	3.6 yrs	63.0
EMILIE	Substation-Adjacent	230 kV	300 MW	3.6 yrs	62.4
WOODBOURNE	Substation-Adjacent	230 kV	300 MW	3.6 yrs	62.4
Trenton Solar Farm	Brownfield	—	1 MW	2.7 yrs	62.1
Fairless Hills	Brownfield	—	60 MW	3.6 yrs	61.5
EC Coal Mercer County	Greenfield	—	—	2.7 yrs	60.7
UNKNOWN132321	Substation-Adjacent	138 kV	100 MW	2.7 yrs	60.0
UNKNOWN132320	Substation-Adjacent	138 kV	100 MW	2.7 yrs	59.9
EC Coal Mercer County	Greenfield	—	—	2.7 yrs	59.9
UNKNOWN143938	Substation-Adjacent	138 kV	100 MW	2.7 yrs	59.5
TAP141137	Substation-Adjacent	138 kV	100 MW	2.7 yrs	59.4
UNKNOWN132316	Substation-Adjacent	138 kV	100 MW	2.7 yrs	59.3
UNKNOWN124955	Substation-Adjacent	138 kV	100 MW	3.6 yrs	58.9
UNKNOWN124952	Substation-Adjacent	138 kV	100 MW	3.6 yrs	58.9
UNKNOWN124954	Substation-Adjacent	138 kV	100 MW	3.6 yrs	58.8

Every scored site in Mercer County

All 134 sites, best first.

EAST WINDSOR · 68.9
Lake Campus Project at Princeton University (GSHP) · 67.2
Princeton Landfill Solar · 65.2
WINDSOR · 64.7
CLARKSVILLE · 64.5
TRENTON · 63.6
KUSER ROAD · 63.5
Substation-Adjacent site · 6255e6d9 · 63.4
MERCER · 63.4
LAWRENCE SW · 63.3
Substation-Adjacent site · 83920cdc · 63.0
EMILIE · 62.4
WOODBOURNE · 62.4
Trenton Solar Farm · 62.1
Fairless Hills · 61.5
EC Coal Mercer County · 4f56d286 · 60.7
Substation-Adjacent site · abe8064e · 60.0
Substation-Adjacent site · a88afea8 · 59.9
EC Coal Mercer County · a77bca44 · 59.9
Substation-Adjacent site · 2abf35b1 · 59.5
Substation-Adjacent site · 2664e00a · 59.4
Substation-Adjacent site · a3d4bb19 · 59.3
Substation-Adjacent site · 9701225f · 58.9
Substation-Adjacent site · c2858013 · 58.9
Substation-Adjacent site · 866a3617 · 58.8
BUSTLETON · 57.8
EC Near Vicinity Energy Trenton, L.P. · 5593e5c6 · 57.8
EC Near Vicinity Energy Trenton, L.P. · 4f4b5422 · 57.0
Greenfield (CLARKSVILLE - EAST WINDSOR) · 55.5
Trenton King Road · 53.3
Pukala · 53.2
East Trenton Homes- 919 East State St · 53.2
Red Oaks Park · 53.2
East Trenton Homes- 921 East State St · 53.2
Freightyard · 53.2
East Trenton Homes- 925 East State St · 53.2
Thropp Site · 53.2
East Trenton Homes- 917 East State St. · 53.2
Standard Roofing Co. (Thropp Site) · 53.2
East Trenton Homes- 905 East State St. · 53.2
East Trenton Homes- 903 East State St. · 53.2
East Trenton Homes- 927 East State St · 53.2
DeLaval Bank · 53.2
Crescent Wire - Greenway · 53.2
East Trenton Homes- 909 East State St. · 53.2
East Trenton Homes- 923 East State St. · 53.2
678 North Clinton · 53.2
East Trenton Homes · 53.2
Anthony Storcella Property · 53.2
104 Taylor · 53.2
East Trenton Homes- 929 East State St · 53.2
Former Kramer Trenton Co. · 53.2
East Trenton Homes- 933 East State St. · 53.2
Clinton Commerce · 53.2
Taylor Street Property · 53.2
East Trenton Homes- 911 East State St. · 53.2
Scarpati Site · 53.2
1225 East State · 53.2
East Trenton Homes- 935 East State St · 53.2
V&S Recycling (Thropp Site) · 53.2
Federated Metals · 53.2
Canal Plaza · 53.1
Proposed West Ward Firehouse · 53.1
DeLaval Island · 53.1
M&M Auto (not M&M Plating) · 53.1
Oxford Street · 53.1
Luzerne Rubber · 53.1
Arena Parking - Midak Property · 53.1
Arena Parking - 104 Hamilton · 53.1
Former Pattern Machine and Foundry · 53.1
31 Morris Avenue · 53.1
364 Greenwood · 53.1
Aratex · 53.1
Pollizzi Meats · 53.1
Ferry Street Mews · 53.1
Kramer property · 53.1
Sunset Lamp · 53.1
Massaro Greenway · 53.1
Kramer Site · 53.1
Amtico Square · 53.1
Blakely Laundry · 53.1
Crane Site (P&G Trading) · 53.1
Trenton Uez Sites-Challenger Circle F · 53.1
Arena Parking - Nucera · 53.1
Arena Parking - Camden and Amboy Railroad Corp · 53.1
African-American Cemetary · 53.1
Wellington (Mott Property) · 53.1
Battle Monument Housing · 53.1
Cass St. Properties · 53.1
Creek Bank - Greenway · 53.1
148-158 Front Street · 53.1
MCIA- Roebling Block 3 Lot 1.04 · 53.1
NJ Transit Bus Garage · 53.1
Arena Parking - United NJ Railroad · 53.1
Roebling Block 2 · 53.1
Roebling Complex - Block 3 · 53.1
1011 South Broad · 53.1
Lennox Site · 53.1
Pse&G Site · 53.1
199 Brunswick · 53.1
667 Martin Luther King Blvd · 53.1
Al's Autobody and Towing · 53.1
502 Martin Luther King Blvd. · 53.1
Trenton Uez Sites-Lenox, Inc · 53.1
1 Lewis · 53.1
Trenton Uez Sites-Pse · 53.1
Recycling Facility and Street Yard Garage · 53.1
Hollywood Auto · 53.1
Roebling Block 3, Lot 1.05 · 53.1
North Ogden Ave · 53.1
Sweeney Property · 53.1
Crane Pottery Factory · 53.1
Champale Brewery (Formerly) · 53.0
Lafayette Yard Site · 53.0
Magic Marker · 53.0
Warren-Balderston · 53.0
80 Oakland · 53.0
700 Calhoun · 53.0
Passaic/Willow Street · 53.0
902 Calhoun · 53.0
Hill Refrigeration Plant · 53.0
Arena Parking (444 Broad Street) · 53.0
Addiction Science Center · 53.0
Battle Monument Park/Ringold St · 53.0
New Method Cleaners · 53.0
421 Bridge · 53.0
East Trenton Homes- 931 East State St. · 53.0
Old Waterworks Site · 53.0
Champale Warehouse · 53.0
230 N. Hermitage · 52.9
Mine Site · 8114b677 · 52.9
Mine Site · 8b1e5868 · 52.8
EC Near Vicinity Energy Trenton, L.P. · 303b6328 · 52.7
Mine Site · 1e68b1f9 · 52.2

Mercer County datacenter FAQ

How many datacenter sites are in Mercer County?

134 scored datacenter candidate sites, averaging 54.9/100 DC Readiness. That is the most of 21 New Jersey counties with five or more sites.

What is the highest-scoring datacenter site in Mercer County?

EAST WINDSOR scores 68.9/100 DC Readiness, the highest of the 134 scored sites in Mercer County (a substation-adjacent site).

Does Mercer County offer datacenter tax incentives?

UEZ sales tax exemption (reduced rate); BEIP/Grow NJ incentives for job creation.

What is the natural-hazard risk in Mercer County?

FEMA's National Risk Index rates Mercer County as "Relatively Moderate" (score 28).

What are industrial electricity rates in Mercer County?

Average industrial electricity is 7.15¢/kWh and commercial is 9.79¢/kWh in Mercer County.

About this data

Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Mercer County, New Jersey”, https://gridcensus.com/datacenter-sites/new-jersey/mercer-county (data as of November 12, 2026).

Dataset updated November 2026. Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Mercer County, 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.

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