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Datacenter Sites in Portsmouth city, Virginia

Portsmouth city has 32 scored datacenter candidate sites averaging 58.7/100 DC Readiness, with a catalogued aggregate of 3,300 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.

At a glance

Portsmouth city, Virginia has 32 scored datacenter candidate sites averaging 58.7/100 DC Readiness, about 12% above the Virginia average of 52.2. It ranks 54th of 122 Virginia counties by number of sites and 6th by average score. The top-scoring site is Substation-Adjacent site · 4673bc12 at 66.0/100.

32
Candidate sites
58.7/100
Avg DC Readiness
3,300 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Portsmouth city

Site-selection context for Portsmouth city

Yessales_tax_exemption
Datacenter tax incentive
4.81¢/kWh
Commercial electricity
4.19¢/kWh
Industrial electricity
4
Fiber providers
Low
Water stress
$5,900
Land price / acre
1,300
Cooling degree days
4,000
Heating degree days
55°F
Mean annual temp

Incentive detail: Sales tax exemption on DC equipment for $150M+ investments (2025: $100M+); MEGA site program.

How does Portsmouth city compare with other counties in Virginia?

By number of scored sites, Portsmouth city ranks 54th of the 122 Virginia counties with a county page, holding 0.5% of the state's 5,871 sites. Its average DC Readiness of 58.7/100 ranks 6th in the state and is about 11% above the national average of 53.0. Nationally it has the 1196th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 16 score 55 or higher.

What types of datacenter sites are in Portsmouth city?

Shovel-Ready sites are the most common (15, 47% of the county's inventory), followed by substation-adjacent (13) and greenfield (4). 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 Portsmouth city?

Industrial electricity averages 4.19¢/kWh and commercial 4.81¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (30). WRI water stress is low. 4 fiber providers report service in the county. The climate runs 1,300 cooling degree days a year with a mean temperature of 55°F. Land is valued around $5,900 an acre.

By site type

Top datacenter sites in Portsmouth city

Top datacenter sites in Portsmouth city
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN115111Substation-Adjacent230 kV300 MW5.1 yrs66.0
REEVES AVESubstation-Adjacent230 kV300 MW5.1 yrs66.0
RURITANSubstation-Adjacent230 kV300 MW5.1 yrs65.1
UNKNOWN115107Substation-Adjacent230 kV300 MW5.1 yrs65.0
UNKNOWN115497Substation-Adjacent230 kV300 MW5.1 yrs65.0
CRANEY ISLANDSubstation-Adjacent230 kV300 MW5.1 yrs64.7
CHURCHLANDSubstation-Adjacent230 kV300 MW5.1 yrs64.7
UNKNOWN114530Substation-Adjacent230 kV300 MW5.1 yrs64.4
LAKE KINGMANSubstation-Adjacent230 kV300 MW5.1 yrs63.9
CRITTENDENSubstation-Adjacent230 kV300 MW5.1 yrs62.9
OZ PortsmouthGreenfield——5.1 yrs62.7
TAP147070Substation-Adjacent115 kV100 MW5.1 yrs60.5
UNKNOWN115112Substation-Adjacent115 kV100 MW5.1 yrs60.5
GOSPORTSubstation-Adjacent115 kV100 MW5.1 yrs60.4
EC Coal Portsmouth cityGreenfield——5.1 yrs60.0
OZ PortsmouthGreenfield——5.1 yrs59.6
355 Crawford StreetShovel-Ready——5.1 yrs54.7
500 Washington StShovel-Ready——5.1 yrs54.7
500 Confederate AvenueShovel-Ready——5.1 yrs54.6
Proctor and Gamble BuildingShovel-Ready——5.1 yrs54.6
827 Douglas AvenueShovel-Ready——5.1 yrs54.5
900 Broad StreetShovel-Ready——5.1 yrs54.5
2615 Elmhurst LaneShovel-Ready——5.1 yrs54.3
3971 & 3975 Elm AvenueShovel-Ready——5.1 yrs54.3
800 Constitution Ave (CS Property)Shovel-Ready——5.1 yrs54.3

Every scored site in Portsmouth city

All 32 sites, best first.

Portsmouth city datacenter FAQ

How many datacenter sites are in Portsmouth city?

32 scored datacenter candidate sites, averaging 58.7/100 DC Readiness. That is the 54th-most of 122 Virginia counties with five or more sites.

What is the highest-scoring datacenter site in Portsmouth city?

Substation-Adjacent site · 4673bc12 scores 66.0/100 DC Readiness, the highest of the 32 scored sites in Portsmouth city (a substation-adjacent site).

Does Portsmouth city offer datacenter tax incentives?

Sales tax exemption on DC equipment for $150M+ investments (2025: $100M+); MEGA site program.

What is the natural-hazard risk in Portsmouth city?

FEMA's National Risk Index rates Portsmouth city as "Relatively Moderate" (score 30).

What are industrial electricity rates in Portsmouth city?

Average industrial electricity is 4.19¢/kWh and commercial is 4.81¢/kWh in Portsmouth city.

More in Virginia

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 Portsmouth city, Virginia”, https://gridcensus.com/datacenter-sites/virginia/portsmouth-city (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 Portsmouth city, Virginia 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.