Datacenter Sites in Fairfax, Virginia
Fairfax has 52 scored datacenter candidate sites averaging 58.0/100 DC Readiness, with a catalogued aggregate of 4,000 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
At a glance
Fairfax, Virginia has 52 scored datacenter candidate sites averaging 58.0/100 DC Readiness, about 11% above the Virginia average of 52.2. It ranks 32nd of 122 Virginia counties by number of sites and 10th by average score. The top-scoring site is OX at 68.5/100.
Site-selection context for Fairfax
Incentive detail: Sales tax exemption on DC equipment for $150M+ investments (2025: $100M+); MEGA site program.
How does Fairfax compare with other counties in Virginia?
By number of scored sites, Fairfax ranks 32nd of the 122 Virginia counties with a county page, holding 0.9% of the state's 5,871 sites. Its average DC Readiness of 58.0/100 ranks 10th in the state and is roughly in line with the national average of 53.0. Nationally it has the 726th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 44 score 55 or higher.
What types of datacenter sites are in Fairfax?
Shovel-Ready sites are the most common (35, 67% of the county's inventory), followed by substation-adjacent (11) 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 Fairfax?
Industrial electricity averages 4.40¢/kWh and commercial 4.90¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (30). WRI water stress is low. 13 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 $17,494 an acre.
By site type
Top datacenter sites in Fairfax
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| OX | Substation-Adjacent | 500 kV | 1,000 MW | 5.1 yrs | 68.5 |
| UNKNOWN116656 | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 65.2 |
| BRADDOCK | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 64.9 |
| OZ Fairfax | Greenfield | — | — | 5.1 yrs | 64.8 |
| RAVENSWORTH | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 64.7 |
| SIDEBURN | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 64.7 |
| BURKE-SIDEBURN | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 64.7 |
| KEENE MILL | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 64.5 |
| LAKERIDGE | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 64.3 |
| UNKNOWN116742 | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 64.2 |
| UNKNOWN116837 | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 64.2 |
| OCCOQUAN | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 64.2 |
| OZ Fairfax | Greenfield | — | — | 5.1 yrs | 62.9 |
| OZ Fairfax | Greenfield | — | — | 5.1 yrs | 62.7 |
| OZ Fairfax | Greenfield | — | — | 5.1 yrs | 62.1 |
| 2291 Wood Oak Dr | Shovel-Ready | — | — | 5.1 yrs | 56.0 |
| 12110 Sunset Hills Blvd - RTC West II | Shovel-Ready | — | — | 5.1 yrs | 56.0 |
| 2770-2782 Towerview Road | Shovel-Ready | — | — | 5.1 yrs | 56.0 |
| Reston Town Center West I | Shovel-Ready | — | — | 5.1 yrs | 56.0 |
| Innovation Center South | Shovel-Ready | — | — | 5.1 yrs | 55.9 |
| Herndon Wastewater Treatment Facility (Bfp-025) | Industrial | — | — | 5.1 yrs | 55.9 |
| Plaza America Tower 1 | Shovel-Ready | — | — | 5.1 yrs | 55.9 |
| Two Fountain Square at Reston Town Center | Shovel-Ready | — | — | 5.1 yrs | 55.9 |
| 2340 Dulles Corner Boulevard | Shovel-Ready | — | — | 5.1 yrs | 55.9 |
| One Freedom Square at Reston Town Center | Shovel-Ready | — | — | 5.1 yrs | 55.9 |
Every scored site in Fairfax
All 52 sites, best first.
- OX · 68.5
- Substation-Adjacent site · 5290e476 · 65.2
- BRADDOCK · 64.9
- OZ Fairfax · dc3995d6 · 64.8
- SIDEBURN · 64.7
- BURKE-SIDEBURN · 64.7
- RAVENSWORTH · 64.7
- KEENE MILL · 64.5
- LAKERIDGE · 64.3
- Substation-Adjacent site · 19fb0ae8 · 64.2
- OCCOQUAN · 64.2
- Substation-Adjacent site · 139b6ab0 · 64.2
- OZ Fairfax · 032b89c2 · 62.9
- OZ Fairfax · 3aae2428 · 62.7
- OZ Fairfax · dd1fa542 · 62.1
- 12110 Sunset Hills Blvd - RTC West II · 56.0
- 2770-2782 Towerview Road · 56.0
- 2291 Wood Oak Dr · 56.0
- Reston Town Center West I · 56.0
- Two Fountain Square at Reston Town Center · 55.9
- Innovation Center South · 55.9
- Herndon Wastewater Treatment Facility (Bfp-025) · 55.9
- 11600 Sunrise Valley Drive · 55.9
- One Freedom Square at Reston Town Center · 55.9
- 2340 Dulles Corner Boulevard · 55.9
- Plaza America Tower 1 · 55.9
- Commerce Metro 6 · 55.9
- 4115 Pleasant Valley Road - Lafayette 2 · 55.8
- 1900 Reston Metro Plaza · 55.8
- Isaac Newton Square · 55.8
- Southgate - 14801 Willard Road · 55.7
- 14566 Lee Rd · 55.7
- City View at Tysons · 55.6
- 7900 Tysons One Place · 55.6
- 1676 International Drive · 55.5
- The DelAn Building · 55.5
- Westpark Corporate Center - Building I · 55.5
- Pinnacle Towers - North Tower · 55.5
- 1775 Greensboro Station Pl - Boro Station II · 55.5
- 14840 Conference Center Drive · 55.5
- Mine Site · edf38065 · 55.3
- 7701 Southern Dr · 55.3
- 6744-6760 Gravel Avenue - Building 7 · 55.0
- 6306 Gravel Avenue - Building 3 · 55.0
- Belvoir Logistics Building · 54.9
- Fullerton Square · 54.9
- 7399-7435 Boston Blvd - Building 1 · 54.9
- Patriot Ridge · 54.9
- 7520 Fullerton Road · 54.9
- Gunston Commerce Center Building 3 · 53.9
- 10720 Richmond Hwy - Bldg 2 · 53.9
- 10505 Furnace Rd · 53.9
Fairfax datacenter FAQ
How many datacenter sites are in Fairfax?
52 scored datacenter candidate sites, averaging 58.0/100 DC Readiness. That is the 32nd-most of 122 Virginia counties with five or more sites.
What is the highest-scoring datacenter site in Fairfax?
OX scores 68.5/100 DC Readiness, the highest of the 52 scored sites in Fairfax (a substation-adjacent site).
Does Fairfax 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 Fairfax?
FEMA's National Risk Index rates Fairfax as "Relatively Moderate" (score 30).
What are industrial electricity rates in Fairfax?
Average industrial electricity is 4.40¢/kWh and commercial is 4.90¢/kWh in Fairfax.
More in Virginia
- All datacenter sites in Virginia· 5,871 sites
- Operating datacenters in Virginia
- Electric substations in Virginia
- Buchanan County· 619 sites · avg 50.0
- Wise County· 455 sites · avg 49.8
- Dickenson County· 257 sites · avg 50.5
- Richmond city· 156 sites · avg 55.9
- ROANOKE (CITY)· 154 sites · avg 51.3
- Russell County· 138 sites · avg 51.4
- Shovel-Ready sites in Virginia
- Substation-Adjacent sites 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 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Fairfax, Virginia”, https://gridcensus.com/datacenter-sites/virginia/fairfax (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 Fairfax, 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.