Greenfield (TAZEWELL - UNKNOWN122071)
GreenfieldTazewell County, Virginia · MISO
At a glance
Greenfield (TAZEWELL - UNKNOWN122071) is a greenfield datacenter candidate site in Tazewell County, Virginia, scoring 55.0/100 DC Readiness — 36th of 47 scored sites in the county. Its nearest substation is TAZEWELL. It sits in the MISO grid region, 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: Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.
Site location
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How does Greenfield (TAZEWELL - UNKNOWN122071) compare with other sites in Tazewell County?
Greenfield (TAZEWELL - UNKNOWN122071) ranks 36th of 47 scored candidate sites in Tazewell County. Its 55.0/100 is roughly in line with the county average of 58.4. 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 fiber connectivity (91 vs 71) and its weakest is power availability (30 vs 35). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (TAZEWELL - UNKNOWN122071) to power, fiber and other datacenters?
The nearest mapped substation, TAZEWELL, is the closest grid connection point on record and operates at 138 kV. The nearest located transmission bottleneck is 12 DRESDEN 45TR81 CT H 345 KV (PJM), 81 miles away. For connectivity, the nearest internet exchange facility is SFN IL-Peoria at 8.5 miles. 13 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is SFN IL-Peoria, 8.5 miles away.
What are the flood, water and hazard risks at Greenfield (TAZEWELL - UNKNOWN122071)?
At the county level, FEMA's National Risk Index rates Tazewell County "Relatively High".
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 Tazewell County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| RISER159741 | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.6 |
| POWERTON STATION | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.2 |
| UNKNOWN122603 | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.2 |
| TAZEWELL | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.1 |
| OZ Tazewell | Greenfield | — | — | 4.8 yrs | 64.0 |
| UNKNOWN122868 | Substation-Adjacent | 138 kV | 100 MW | 4.8 yrs | 61.3 |
| UNKNOWN122930 | Substation-Adjacent | 138 kV | 100 MW | 4.8 yrs | 61.2 |
| UNKNOWN123085 | Substation-Adjacent | 138 kV | 100 MW | 4.8 yrs | 61.1 |
Greenfield (TAZEWELL - UNKNOWN122071): common questions
What is the DC Readiness score of Greenfield (TAZEWELL - UNKNOWN122071)?
Greenfield (TAZEWELL - UNKNOWN122071) scores 55.0/100 on the GridCensus DC Readiness scale, rated good. It ranks 36th of 47 scored sites in Tazewell County. The Tazewell County average is 58.4 and the Virginia average is 52.6.
What is the nearest substation to Greenfield (TAZEWELL - UNKNOWN122071)?
The nearest mapped substation is TAZEWELL, at 138 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
What grid region is Greenfield (TAZEWELL - UNKNOWN122071) in?
Greenfield (TAZEWELL - UNKNOWN122071) is in the MISO region. Projects interconnecting there have averaged a 5.1-year wait from queue request to operation.
How far is Greenfield (TAZEWELL - UNKNOWN122071) from an internet exchange?
The nearest internet exchange facility is SFN IL-Peoria, about 8.5 miles away; 13 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 (TAZEWELL - UNKNOWN122071), Tazewell County, VA”, https://gridcensus.com/datacenter-sites/virginia/tazewell-county/greenfield-tazewell-unknown122071-820270bc (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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Every site and score for Greenfield (TAZEWELL - UNKNOWN122071), Tazewell County 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.