Greenfield (UNKNOWN114492 - TAP147393)
GreenfieldHalifax, Virginia · PJM
At a glance
Greenfield (UNKNOWN114492 - TAP147393) is a greenfield datacenter candidate site in Halifax, Virginia, scoring 50.3/100 DC Readiness — 28th of 40 scored sites in the county. Its nearest substation is UNKNOWN114492. 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 100 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 Greenfield (UNKNOWN114492 - TAP147393) compare with other sites in Halifax?
Greenfield (UNKNOWN114492 - TAP147393) ranks 28th of 40 scored candidate sites in Halifax. Its 50.3/100 is roughly in line with the county average of 52.1. It is roughly in line with the Virginia average of 52.6 and roughly in line with the national average of 53.2.
Against the Virginia average, its strongest sub-score is natural hazard (70 vs 69) and its weakest is fiber connectivity (64 vs 71). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (UNKNOWN114492 - TAP147393) to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN114492, is the closest grid connection point on record and operates at 115 kV. The nearest located transmission bottleneck is CLOVER-EASTERS 2226A A 230 KV (PJM), 15 miles away. For connectivity, the nearest internet exchange facility is CyrusOne NC-1 at 50.4 miles. 6 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Datacenter 1074588582, 18.2 miles away.
What are the flood, water and hazard risks at Greenfield (UNKNOWN114492 - TAP147393)?
At the county level, FEMA's National Risk Index rates Halifax "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 Halifax, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| HALIFAX | Substation-Adjacent | 230 kV | 300 MW | 5.1 yrs | 60.9 |
| SOUTH BOSTON | Substation-Adjacent | 115 kV | 100 MW | 5.1 yrs | 56.6 |
| WELCO | Substation-Adjacent | 115 kV | 100 MW | 5.1 yrs | 56.6 |
| REEDY CREEK | Substation-Adjacent | 115 kV | 100 MW | 5.1 yrs | 56.6 |
| SINAI | Substation-Adjacent | 115 kV | 100 MW | 5.1 yrs | 56.6 |
| TAP147393 | Substation-Adjacent | 115 kV | 100 MW | 5.1 yrs | 56.6 |
| DRYBURG | Substation-Adjacent | 115 kV | 100 MW | 5.1 yrs | 56.6 |
| UNKNOWN114630 | Substation-Adjacent | 115 kV | 100 MW | 5.1 yrs | 55.8 |
Greenfield (UNKNOWN114492 - TAP147393): common questions
What is the DC Readiness score of Greenfield (UNKNOWN114492 - TAP147393)?
Greenfield (UNKNOWN114492 - TAP147393) scores 50.3/100 on the GridCensus DC Readiness scale, rated fair. It ranks 28th of 40 scored sites in Halifax. The Halifax average is 52.1 and the Virginia average is 52.6.
What is the nearest substation to Greenfield (UNKNOWN114492 - TAP147393)?
The nearest mapped substation is UNKNOWN114492, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves Greenfield (UNKNOWN114492 - TAP147393)?
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 Greenfield (UNKNOWN114492 - TAP147393) in?
Greenfield (UNKNOWN114492 - TAP147393) is in the PJM region. Projects interconnecting there have averaged a 5.1-year wait from queue request to operation.
How far is Greenfield (UNKNOWN114492 - TAP147393) from an internet exchange?
The nearest internet exchange facility is CyrusOne NC-1, about 50.4 miles away; 6 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, “Greenfield (UNKNOWN114492 - TAP147393), Halifax, VA”, https://gridcensus.com/datacenter-sites/virginia/halifax/greenfield-unknown114492-tap147393-3c789c1b (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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