Greenfield (HENRIETTA - HERNDON)
GreenfieldKings County, California · CAISO
At a glance
Greenfield (HENRIETTA - HERNDON) is a greenfield datacenter candidate site in Kings County, California, scoring 45.3/100 DC Readiness — 34th of 62 scored sites in the county. Its nearest substation is HENRIETTA. It sits in the CAISO grid region and the PACIFIC GAS & ELECTRIC CO. service territory, where interconnection has averaged 7.6 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 notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Site location
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How does Greenfield (HENRIETTA - HERNDON) compare with other sites in Kings County?
Greenfield (HENRIETTA - HERNDON) ranks 34th of 62 scored candidate sites in Kings County. Its 45.3/100 is roughly in line with the county average of 45.0. It is roughly in line with the California average of 45.4 and about 15% below the national average of 53.2.
Against the California average, its strongest sub-score is power availability (50 vs 36) and its weakest is fiber connectivity (53 vs 66). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (HENRIETTA - HERNDON) to power, fiber and other datacenters?
The nearest mapped substation, HENRIETTA, is the closest grid connection point on record and operates at 230 kV. The nearest located transmission bottleneck is 34540_HENRITTA_70.0_30881_HENRIETA_230_XF_4 (CAISO), 11 miles away. For connectivity, the nearest internet exchange facility is Unwired FAT1 - Fresno Colocation at 31.2 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Unwired FAT1 - Fresno Colocation, 31.2 miles away.
What are the flood, water and hazard risks at Greenfield (HENRIETTA - HERNDON)?
At the county level, FEMA's National Risk Index rates Kings 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 Kings County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| GATES | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 56.4 |
| HENRIETTA | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 52.0 |
| ARCO | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 51.8 |
| Gates Peaker | Brownfield | 66 kV | 47 MW | 7.6 yrs | 51.6 |
| UNKNOWN300573 | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 51.2 |
| Lost Hills Cogeneration Plant | Brownfield | 66 kV | 4 MW | 7.6 yrs | 50.8 |
| OZ Kings | Greenfield | — | — | 7.6 yrs | 49.5 |
| Roll Lost Hills | Brownfield | — | 1 MW | 7.6 yrs | 48.5 |
Greenfield (HENRIETTA - HERNDON): common questions
What is the DC Readiness score of Greenfield (HENRIETTA - HERNDON)?
Greenfield (HENRIETTA - HERNDON) scores 45.3/100 on the GridCensus DC Readiness scale, rated fair. It ranks 34th of 62 scored sites in Kings County. The Kings County average is 45.0 and the California average is 45.4.
What is the nearest substation to Greenfield (HENRIETTA - HERNDON)?
The nearest mapped substation is HENRIETTA, at 230 kV. GridCensus catalogs 300 MW of candidate capacity for the site.
Which electric utility serves Greenfield (HENRIETTA - HERNDON)?
PACIFIC GAS & ELECTRIC CO. (investor owned) holds the retail service territory that contains the site; its holding company is PACIFIC GAS & ELECTRIC CORPORATION.
What grid region is Greenfield (HENRIETTA - HERNDON) in?
Greenfield (HENRIETTA - HERNDON) is in the CAISO region. Projects interconnecting there have averaged a 7.6-year wait from queue request to operation.
How far is Greenfield (HENRIETTA - HERNDON) from an internet exchange?
The nearest internet exchange facility is Unwired FAT1 - Fresno Colocation, about 31.2 miles away; 5 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 (HENRIETTA - HERNDON), Kings County, CA”, https://gridcensus.com/datacenter-sites/california/kings-county/greenfield-henrietta-herndon-30c09e5f (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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