Greenfield (TAP305103 - UNKNOWN306390)
GreenfieldClark County, Texas · CAISO
At a glance
Greenfield (TAP305103 - UNKNOWN306390) is a greenfield datacenter candidate site in Clark County, Texas, scoring 55.3/100 DC Readiness — 97th of 747 scored sites in the county. Its nearest substation is TAP305103. It sits in the CAISO grid region, where interconnection has averaged 3.5 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
No statewide moratorium, but since Aug 3, 2026 ERCOT has paused approvals to energize new datacenter and crypto loads ≥75 MW pending an audit due Dec 10, 2026. SB 6 adds large-load obligations above 75 MW.
SB 6: loads ≥75 MW accept ERCOT emergency curtailment + contribute to interconnection cost.
Incentive detail: Partial abatement of sales/use tax and personal property tax for $25M+ DC investments.
Site location
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How does Greenfield (TAP305103 - UNKNOWN306390) compare with other sites in Clark County?
Greenfield (TAP305103 - UNKNOWN306390) ranks 97th of 747 scored candidate sites in Clark County. Its 55.3/100 is about 12% above the county average of 49.2. It is roughly in line with the Texas average of 56.4 and roughly in line with the national average of 53.2.
Against the Texas average, its strongest sub-score is natural hazard (88 vs 44) and its weakest is water (10 vs 46). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (TAP305103 - UNKNOWN306390) to power, fiber and other datacenters?
The nearest mapped substation, TAP305103, is the closest grid connection point on record and operates at 236 kV. For connectivity, the nearest internet exchange facility is Flexential - Las Vegas/North (LAS04) at 9.9 miles. 15 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Switch Citadel, 9.8 miles away.
What are the flood, water and hazard risks at Greenfield (TAP305103 - UNKNOWN306390)?
At the county level, FEMA's National Risk Index rates Clark County "Very Low".
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 Clark County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Nellis AFB Solar Facility Site I | Brownfield | 230 kV | 13 MW | 7.6 yrs | 64.0 |
| UNKNOWN308478 | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 62.2 |
| LENZIE | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 62.2 |
| APEX | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 62.2 |
| NORTHWEST | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 62.0 |
| CLARK | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 61.8 |
| MEAD | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 61.8 |
| OZ Clark | Greenfield | — | — | 7.6 yrs | 61.8 |
Greenfield (TAP305103 - UNKNOWN306390): common questions
What is the DC Readiness score of Greenfield (TAP305103 - UNKNOWN306390)?
Greenfield (TAP305103 - UNKNOWN306390) scores 55.3/100 on the GridCensus DC Readiness scale, rated good. It ranks 97th of 747 scored sites in Clark County. The Clark County average is 49.2 and the Texas average is 56.4.
What is the nearest substation to Greenfield (TAP305103 - UNKNOWN306390)?
The nearest mapped substation is TAP305103, at 236 kV. GridCensus catalogs 300 MW of candidate capacity for the site.
What grid region is Greenfield (TAP305103 - UNKNOWN306390) in?
Greenfield (TAP305103 - UNKNOWN306390) is in the CAISO region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is Greenfield (TAP305103 - UNKNOWN306390) from an internet exchange?
The nearest internet exchange facility is Flexential - Las Vegas/North (LAS04), about 9.9 miles away; 15 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 (TAP305103 - UNKNOWN306390), Clark County, TX”, https://gridcensus.com/datacenter-sites/texas/clark-county/greenfield-tap305103-unknown306390-b108b82a (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 (TAP305103 - UNKNOWN306390), Clark 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.