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Datacenter Sites in Union County, North Carolina

Union County has 21 scored datacenter candidate sites averaging 58.1/100 DC Readiness, with a catalogued aggregate of 1,650 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

Union County, North Carolina has 21 scored datacenter candidate sites averaging 58.1/100 DC Readiness, roughly in line with the North Carolina average of 55.1. It ranks 38th of 88 North Carolina counties by number of sites and 12th by average score. The top-scoring site is Substation-Adjacent site · 8f07849d at 64.8/100.

21
Candidate sites
58.1/100
Avg DC Readiness
1,650 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 21 in Union County

Site-selection context for Union County

Yessales_tax_exemption
Datacenter tax incentive
10.71¢/kWh
Commercial electricity
7.05¢/kWh
Industrial electricity
15
Fiber providers
Low
Water stress
$6,148
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 Union County compare with other counties in North Carolina?

By number of scored sites, Union County ranks 38th of the 88 North Carolina counties with a county page, holding 0.8% of the state's 2,778 sites. Its average DC Readiness of 58.1/100 ranks 12th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1665th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 20 score 55 or higher.

What types of datacenter sites are in Union County?

Substation-Adjacent sites are the most common (17, 81% of the county's inventory), followed by greenfield (3) and former mine (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 Union County?

Industrial electricity averages 7.05¢/kWh and commercial 10.71¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (42). WRI water stress is low. 15 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 $6,148 an acre.

By site type

Top datacenter sites in Union County

Top datacenter sites in Union County
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN114587Substation-Adjacent230 kV300 MW5.3 yrs64.8
TAP154118Substation-Adjacent230 kV300 MW5.3 yrs64.0
OZ UnionGreenfield——5.3 yrs60.8
OZ UnionGreenfield——5.3 yrs59.3
TAP154119Substation-Adjacent100 kV50 MW5.3 yrs58.9
UNKNOWN114589Substation-Adjacent100 kV50 MW5.3 yrs58.7
UNKNOWN114417Substation-Adjacent100 kV50 MW5.3 yrs58.5
UNKNOWN150395Substation-Adjacent100 kV50 MW5.3 yrs58.4
UNKNOWN114409Substation-Adjacent100 kV50 MW5.3 yrs58.2
UNKNOWN114415Substation-Adjacent100 kV50 MW5.3 yrs58.1
UNKNOWN114410Substation-Adjacent100 kV50 MW5.3 yrs57.9
UNKNOWN114407Substation-Adjacent100 kV50 MW5.3 yrs57.7
UNKNOWN114402Substation-Adjacent100 kV50 MW5.3 yrs57.3
TAP150686Substation-Adjacent100 kV50 MW5.3 yrs57.1
Greenfield (OAKBORO - TAP154118)Greenfield230 kV300 MW5.3 yrs57.0
UNKNOWN114408Substation-Adjacent100 kV50 MW5.3 yrs56.9
UNKNOWN114400Substation-Adjacent100 kV50 MW5.3 yrs56.7
UNKNOWN114406Substation-Adjacent100 kV50 MW5.3 yrs56.3
UNKNOWN167369Substation-Adjacent69 kV50 MW3.9 yrs55.4
UNKNOWN120923Substation-Adjacent69 kV50 MW3.9 yrs55.3
Mine SiteFormer Mine——5.3 yrs53.3

Every scored site in Union County

All 21 sites, best first.

Union County datacenter FAQ

How many datacenter sites are in Union County?

21 scored datacenter candidate sites, averaging 58.1/100 DC Readiness. That is the 38th-most of 88 North Carolina counties with five or more sites.

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

Substation-Adjacent site · 8f07849d scores 64.8/100 DC Readiness, the highest of the 21 scored sites in Union County (a substation-adjacent site).

Does Union 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 Union County?

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

What are industrial electricity rates in Union County?

Average industrial electricity is 7.05¢/kWh and commercial is 10.71¢/kWh in Union 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 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Union County, North Carolina”, https://gridcensus.com/datacenter-sites/north-carolina/union-county (data as of November 13, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Union 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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