Greenfield (UNKNOWN300957 - UNKNOWN305477)
GreenfieldNolan County, California · ERCOT
At a glance
Greenfield (UNKNOWN300957 - UNKNOWN305477) is a greenfield datacenter candidate site in Nolan County, California, scoring 53.6/100 DC Readiness — 32nd of 41 scored sites in the county. Its nearest substation is UNKNOWN300957. It sits in the ERCOT grid region, where interconnection has averaged 7.6 years from request to operation. GridCensus catalogs 600 MW of candidate capacity here.
Power & interconnection
Speed to power
Texas note: Since August 3, 2026, ERCOT has paused approvals to energize new datacenter and crypto-mining loads of 75 MW or more until a verification audit and a community impact review are complete; both reports are due to the Public Utility Commission of Texas by December 10, 2026. ERCOT speed-to-power scores here were set before the pause and do not reflect it. ERCOT board update.
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 notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Chapter 313/Chapter 403 property tax abatements; Texas Enterprise Fund; no state income tax.
Site location
Get alerts
Track Greenfield (UNKNOWN300957 - UNKNOWN305477)
Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.
How does Greenfield (UNKNOWN300957 - UNKNOWN305477) compare with other sites in Nolan County?
Greenfield (UNKNOWN300957 - UNKNOWN305477) ranks 32nd of 41 scored candidate sites in Nolan County. Its 53.6/100 is roughly in line with the county average of 57.7. It is about 18% above the California average of 45.4 and roughly in line with the national average of 53.2.
Against the California average, its strongest sub-score is power availability (59 vs 36) and its weakest is natural hazard (45 vs 51). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (UNKNOWN300957 - UNKNOWN305477) to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN300957, is the closest grid connection point on record and operates at 345 kV. 4 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Datacenter 1530966392, 35.7 miles away.
What are the flood, water and hazard risks at Greenfield (UNKNOWN300957 - UNKNOWN305477)?
At the county level, FEMA's National Risk Index rates Nolan County "Very 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 Nolan County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| TXU Sweetwater Generating Plant | Brownfield | — | 344 MW | 3.5 yrs | 71.1 |
| SWEETWATER EAST | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 64.7 |
| UNKNOWN309410 | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 63.8 |
| UNKNOWN308564 | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 63.7 |
| UNKNOWN304972 | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 63.7 |
| UNKNOWN306111 | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 63.7 |
| UNKNOWN301908 | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 63.7 |
| UNKNOWN302145 | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 63.5 |
Greenfield (UNKNOWN300957 - UNKNOWN305477): common questions
What is the DC Readiness score of Greenfield (UNKNOWN300957 - UNKNOWN305477)?
Greenfield (UNKNOWN300957 - UNKNOWN305477) scores 53.6/100 on the GridCensus DC Readiness scale, rated fair. It ranks 32nd of 41 scored sites in Nolan County. The Nolan County average is 57.7 and the California average is 45.4.
What is the nearest substation to Greenfield (UNKNOWN300957 - UNKNOWN305477)?
The nearest mapped substation is UNKNOWN300957, at 345 kV. GridCensus catalogs 600 MW of candidate capacity for the site.
What grid region is Greenfield (UNKNOWN300957 - UNKNOWN305477) in?
Greenfield (UNKNOWN300957 - UNKNOWN305477) is in the ERCOT region. Projects interconnecting there have averaged a 7.6-year wait from queue request to operation.
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 (UNKNOWN300957 - UNKNOWN305477), Nolan County, CA”, https://gridcensus.com/datacenter-sites/california/nolan-county/greenfield-unknown300957-unknown305477-9b1c8c0d (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.
Go deeper than the public screen
Every site and score for Greenfield (UNKNOWN300957 - UNKNOWN305477), Nolan 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.