Substation-Adjacent site at 37.543, -76.702
Substation-AdjacentMiddlesex County, Virginia · PJM
At a glance
Substation-Adjacent site at 37.543, -76.702 is a substation-adjacent datacenter candidate site in Middlesex County, Virginia, scoring 59.2/100 DC Readiness — 1st of 3 scored sites in the county. Its nearest substation is UNKNOWN116466 (0 mi, 230 kV). It sits in the PJM grid region and the VIRGINIA ELECTRIC & POWER CO service territory, where interconnection has averaged 5.1 years from request to operation. GridCensus catalogs 300 MW of candidate capacity here.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
Largest US DC market; incentive preserved but a new $0.011/kWh DC electricity tax starts Jul 2026.
Dominion GS-5 large-load rate (≥25 MW, ~$1.5M/MW collateral, 14-yr term) effective 2027.
Incentive detail: Sales tax exemption on DC equipment for $150M+ investments (2025: $100M+); MEGA site program.
Site location
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How does Substation-Adjacent site at 37.543, -76.702 compare with other sites in Middlesex County?
Substation-Adjacent site at 37.543, -76.702 ranks 1st of 3 scored candidate sites in Middlesex County. Its 59.2/100 is roughly in line with the county average of 54.4. It is about 13% above the Virginia average of 52.6 and about 11% above the national average of 53.2.
Against the Virginia average, its strongest sub-score is power availability (78 vs 35) and its weakest is fiber connectivity (49 vs 71). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Substation-Adjacent site at 37.543, -76.702 to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN116466, is about 0 miles away and operates at 230 kV. The nearest located transmission bottleneck is HARWGATE-LOCKS 205C B 230 KV (PJM), 45 miles away. For connectivity, the nearest internet exchange facility is QTS Richmond (RIC1) at 30 miles. 2 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Meta Henrico Data Center, 29.1 miles away.
What are the flood, water and hazard risks at Substation-Adjacent site at 37.543, -76.702?
At the county level, FEMA's National Risk Index rates Middlesex County "Relatively Moderate".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Middlesex County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| HARMONY VILLAGE | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 57.3 |
| Mine Site | Former Mine | — | — | 5.1 yrs | 46.7 |
Substation-Adjacent site at 37.543, -76.702: common questions
What is the DC Readiness score of Substation-Adjacent site at 37.543, -76.702?
Substation-Adjacent site at 37.543, -76.702 scores 59.2/100 on the GridCensus DC Readiness scale, rated good. It ranks 1st of 3 scored sites in Middlesex County. The Middlesex County average is 54.4 and the Virginia average is 52.6.
What is the nearest substation to Substation-Adjacent site at 37.543, -76.702?
The nearest mapped substation is UNKNOWN116466, about 0 miles away, at 230 kV. GridCensus catalogs 300 MW of candidate capacity for the site.
Which electric utility serves Substation-Adjacent site at 37.543, -76.702?
VIRGINIA ELECTRIC & POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is DOMINION RESOURCES.
What grid region is Substation-Adjacent site at 37.543, -76.702 in?
Substation-Adjacent site at 37.543, -76.702 is in the PJM region. Projects interconnecting there have averaged a 5.1-year wait from queue request to operation.
How far is Substation-Adjacent site at 37.543, -76.702 from an internet exchange?
The nearest internet exchange facility is QTS Richmond (RIC1), about 30 miles away; 2 fiber providers report service at the location.
Related pages
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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Substation-Adjacent site at 37.543, -76.702, Middlesex County, VA”, https://gridcensus.com/datacenter-sites/virginia/middlesex-county/unknown116466-55746894 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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