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Datacenter Sites in Onslow County, North Carolina

Onslow County has 17 scored datacenter candidate sites averaging 56.0/100 DC Readiness, with a catalogued aggregate of 3,900 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

Onslow County, North Carolina has 17 scored datacenter candidate sites averaging 56.0/100 DC Readiness, roughly in line with the North Carolina average of 55.1. It ranks 49th of 88 North Carolina counties by number of sites and 35th by average score. The top-scoring site is Substation-Adjacent site · fc6e94fe at 59.6/100.

17
Candidate sites
56.0/100
Avg DC Readiness
3,900 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 17 in Onslow County

Site-selection context for Onslow County

Yessales_tax_exemption
Datacenter tax incentive
10.76¢/kWh
Commercial electricity
8.03¢/kWh
Industrial electricity
4
Fiber providers
Low
Water stress
$6,189
Land price / acre
1,600
Cooling degree days
3,300
Heating degree days
59°F
Mean annual temp

Incentive detail: Sales tax exemption on DC equipment and electricity for $75M+ investments; property tax abatement.

How does Onslow County compare with other counties in North Carolina?

By number of scored sites, Onslow County ranks 49th of the 88 North Carolina counties with a county page, holding 0.6% of the state's 2,778 sites. Its average DC Readiness of 56.0/100 ranks 35th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1896th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 10 score 55 or higher.

What types of datacenter sites are in Onslow County?

Substation-Adjacent sites are the most common (10, 59% of the county's inventory), followed by greenfield (5) and industrial (1). 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 Onslow County?

Industrial electricity averages 8.03¢/kWh and commercial 10.76¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (42). WRI water stress is low. 4 fiber providers report service in the county. The climate runs 1,600 cooling degree days a year with a mean temperature of 59°F. Land is valued around $6,189 an acre.

By site type

Top datacenter sites in Onslow County

Top datacenter sites in Onslow County
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN112020Substation-Adjacent230 kV300 MW5.3 yrs59.6
UNKNOWN112025Substation-Adjacent230 kV300 MW5.3 yrs59.5
TAP148421Substation-Adjacent230 kV300 MW5.3 yrs59.5
UNKNOWN148427Substation-Adjacent230 kV300 MW5.3 yrs59.4
TAP148431Substation-Adjacent230 kV300 MW5.3 yrs59.2
JACKSONVILLESubstation-Adjacent230 kV300 MW5.3 yrs59.2
TAP148433Substation-Adjacent230 kV300 MW5.3 yrs59.1
TAP148435Substation-Adjacent230 kV300 MW5.3 yrs59.0
TAP169855Substation-Adjacent230 kV300 MW5.3 yrs58.6
TAP148434Substation-Adjacent230 kV300 MW5.3 yrs58.5
OZ OnslowGreenfield——5.3 yrs54.4
OZ OnslowGreenfield——5.3 yrs53.6
Greenfield (TAP148421 - TAP176699)Greenfield230 kV300 MW5.3 yrs53.4
Greenfield (TAP172462 - TAP176789)Greenfield230 kV300 MW5.3 yrs52.9
Greenfield (TAP148431 - TAP169855)Greenfield230 kV300 MW5.3 yrs52.5
Sturgeon City ProjectIndustrial——5.3 yrs49.2
Mine SiteFormer Mine——5.3 yrs45.0

Every scored site in Onslow County

All 17 sites, best first.

Onslow County datacenter FAQ

How many datacenter sites are in Onslow County?

17 scored datacenter candidate sites, averaging 56.0/100 DC Readiness. That is the 49th-most of 88 North Carolina counties with five or more sites.

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

Substation-Adjacent site · fc6e94fe scores 59.6/100 DC Readiness, the highest of the 17 scored sites in Onslow County (a substation-adjacent site).

Does Onslow County offer datacenter tax incentives?

Sales tax exemption on DC equipment and electricity for $75M+ investments; property tax abatement.

What is the natural-hazard risk in Onslow County?

FEMA's National Risk Index rates Onslow County as "Relatively High" (score 42).

What are industrial electricity rates in Onslow County?

Average industrial electricity is 8.03¢/kWh and commercial is 10.76¢/kWh in Onslow County.

More in North Carolina

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 Onslow County, North Carolina”, https://gridcensus.com/datacenter-sites/north-carolina/onslow-county (data as of November 12, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Onslow County, North Carolina 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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