Datacenter Sites in Union County, Mississippi

Union County has 30 scored datacenter candidate sites averaging 55.4/100 DC Readiness, with a catalogued aggregate of 2,900 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

Union County, Mississippi has 30 scored datacenter candidate sites averaging 55.4/100 DC Readiness, roughly in line with the Mississippi average of 53.0. It ranks 34th of 80 Mississippi counties by number of sites and 6th by average score. The top-scoring site is PLEASANT HILL at 66.9/100.

30

Candidate sites

55.4/100

Avg DC Readiness

2,900 MW

Catalogued capacity

theoretical aggregate

Relatively High

Hazard rating

◆ Loading map…

≥ 7560–7540–60≤ 40

Top 25 in Union County

Site-selection context for Union County

Yessales_tax_exemption

Datacenter tax incentive

11.81¢/kWh

Commercial electricity

6.91¢/kWh

Industrial electricity

Fiber providers

Low

Water stress

$2,286

Land price / acre

2,400

Cooling degree days

2,400

Heating degree days

64°F

Mean annual temp

Incentive detail: Sales tax exemption on DC equipment for $50M+ investments; fee-in-lieu of property tax.

How does Union County compare with other counties in Mississippi?

By number of scored sites, Union County ranks 34th of the 80 Mississippi counties with a county page, holding 1.0% of the state's 3,104 sites. Its average DC Readiness of 55.4/100 ranks 6th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1271st-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 12 score 55 or higher.

What types of datacenter sites are in Union County?

Manufacturing sites are the most common (17, 57% of the county's inventory), followed by substation-adjacent (11) 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 Union County?

Industrial electricity averages 6.91¢/kWh and commercial 11.81¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (45). WRI water stress is low. 9 fiber providers report service in the county. The climate runs 2,400 cooling degree days a year with a mean temperature of 64°F. Land is valued around $2,286 an acre.

By site type

Top datacenter sites in Union County

Top datacenter sites in Union County
Site	Type	Voltage	Capacity	Queue wait	Score
PLEASANT HILL	Substation-Adjacent	500 kV	1,000 MW	3.9 yrs	66.9
UNION	Substation-Adjacent	500 kV	1,000 MW	3.9 yrs	66.2
NEW ALBANY	Substation-Adjacent	161 kV	100 MW	3.9 yrs	59.2
N. HAVEN	Substation-Adjacent	161 kV	100 MW	3.9 yrs	59.2
TAP149495	Substation-Adjacent	161 kV	100 MW	3.9 yrs	59.1
TAP149909	Substation-Adjacent	161 kV	100 MW	3.9 yrs	59.1
TAP149912	Substation-Adjacent	161 kV	100 MW	3.9 yrs	59.1
UNKNOWN111016	Substation-Adjacent	161 kV	100 MW	3.9 yrs	59.0
TAP149914	Substation-Adjacent	161 kV	100 MW	3.9 yrs	58.3
UNKNOWN111020	Substation-Adjacent	161 kV	100 MW	3.9 yrs	58.3
OZ Union	Greenfield	—	—	3.9 yrs	57.9
UNKNOWN111021	Substation-Adjacent	161 kV	100 MW	3.9 yrs	57.8
MASTER-BILT PRODUCTS (AIR-CONDITIONING & WARM AIR HEATING EQUIPMENT & COMMERCIAL AND INDUSTRIAL REFRIGERATION EQUIPMENT MFG.)	Manufacturing	—	—	3.9 yrs	52.5
HMC TECHNOLOGIES (MACHINE SHOPS)	Manufacturing	—	—	3.9 yrs	52.5
METAL MANAGEMENT MISSISSIPPI (H Q) (SECONDARY SMELTING, REFINING, AND ALLOYING OF NONFERROUS METAL (EXCEPT COPPER AND ALUMINUM))	Manufacturing	—	—	3.9 yrs	52.5
CAYE HOME FURNISHINGS, LLC (UPHOLSTERED HOUSEHOLD FURNITURE MANUFACTURING)	Manufacturing	—	—	3.9 yrs	52.5
HMC METAL FORMING, INC. (ALUMINUM EXTRUDED PRODUCT MANUFACTURING)	Manufacturing	—	—	3.9 yrs	52.5
HICKORY SPRINGS MFG. CO. (UPHOLSTERED HOUSEHOLD FURNITURE MANUFACTURING)	Manufacturing	—	—	3.9 yrs	52.5
PROFESSIONAL FOAM FABRICATORS (POLYSTYRENE FOAM PRODUCT MANUFACTURING)	Manufacturing	—	—	3.9 yrs	52.4
ULTRA COMFORT FOAM CO., INC. (NOT AVAILABLE)	Manufacturing	—	—	3.9 yrs	52.4
HELL CREEK INDUSTRIES (NONUPHOLSTERED WOOD HOUSEHOLD FURNITURE MANUFACTURING)	Manufacturing	—	—	3.9 yrs	52.4
PIPER IMPACT (NOT AVAILABLE)	Manufacturing	—	—	3.9 yrs	52.4
ALBANY INDUSTRIES, INC. (UPHOLSTERED HOUSEHOLD FURNITURE MANUFACTURING)	Manufacturing	—	—	3.9 yrs	52.4
KEVIN CHARLES FURNITURE, LLC (UPHOLSTERED HOUSEHOLD FURNITURE MANUFACTURING)	Manufacturing	—	—	3.9 yrs	52.4
HILLCRAFT FURNITURE CO., INC., PLT. 1 (NONUPHOLSTERED WOOD HOUSEHOLD FURNITURE MANUFACTURING)	Manufacturing	—	—	3.9 yrs	52.4

Every scored site in Union County

All 30 sites, best first.

Union County datacenter FAQ

How many datacenter sites are in Union County?

30 scored datacenter candidate sites, averaging 55.4/100 DC Readiness. That is the 34th-most of 80 Mississippi counties with five or more sites.

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

PLEASANT HILL scores 66.9/100 DC Readiness, the highest of the 30 scored sites in Union County (a substation-adjacent site).

Does Union County offer datacenter tax incentives?

Sales tax exemption on DC equipment for $50M+ investments; fee-in-lieu of property tax.

What is the natural-hazard risk in Union County?

FEMA's National Risk Index rates Union County as "Relatively High" (score 45).

What are industrial electricity rates in Union County?

Average industrial electricity is 6.91¢/kWh and commercial is 11.81¢/kWh in Union 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 Union County, Mississippi”, https://gridcensus.com/datacenter-sites/mississippi/union-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 Union County, Mississippi 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.

See plans Talk to us