Greenfield (UNKNOWN168687 - UNKNOWN168688)
GreenfieldSumner, Kansas · SPP
At a glance
Greenfield (UNKNOWN168687 - UNKNOWN168688) is a greenfield datacenter candidate site in Sumner, Kansas, scoring 55.6/100 DC Readiness — 29th of 49 scored sites in the county. Its nearest substation is UNKNOWN168687. It sits in the SPP grid region and the EVERGY KANSAS SOUTH, INC service territory, where interconnection has averaged 4.3 years from request to operation. GridCensus catalogs 600 MW of candidate capacity here.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: PEAK program payroll tax incentives; IRB property tax exemptions available.
Site location
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How does Greenfield (UNKNOWN168687 - UNKNOWN168688) compare with other sites in Sumner?
Greenfield (UNKNOWN168687 - UNKNOWN168688) ranks 29th of 49 scored candidate sites in Sumner. Its 55.6/100 is roughly in line with the county average of 55.6. It is roughly in line with the Kansas average of 53.2 and roughly in line with the national average of 53.2.
Against the Kansas average, its strongest sub-score is power availability (59 vs 38) and its weakest is water (52 vs 54). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (UNKNOWN168687 - UNKNOWN168688) to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN168687, is the closest grid connection point on record and operates at 345 kV. The nearest located transmission bottleneck is TP1136_32015 (SPP), 35 miles away. For connectivity, the nearest internet exchange facility is Midcon Recovery Solutions B3 Data Center at 119.3 miles. 11 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is SC DC, 44.5 miles away.
What are the flood, water and hazard risks at Greenfield (UNKNOWN168687 - UNKNOWN168688)?
At the county level, FEMA's National Risk Index rates Sumner "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 Sumner, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN168687 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 62.0 |
| EC Near Oxford (KS) | Greenfield | — | — | 4.3 yrs | 59.3 |
| EC Near Wellington 1 | Greenfield | — | — | 4.3 yrs | 59.1 |
| EC Near Mulvane Power Plant | Greenfield | — | — | 4.3 yrs | 59.1 |
| EC Near Oxford (KS) | Greenfield | — | — | 4.3 yrs | 59.0 |
| EC Near Wellington 1 | Greenfield | — | — | 4.3 yrs | 58.5 |
| EC Near Wellington 1 | Greenfield | — | — | 4.3 yrs | 58.2 |
| EC Near Wellington 1 | Greenfield | — | — | 4.3 yrs | 57.6 |
Greenfield (UNKNOWN168687 - UNKNOWN168688): common questions
What is the DC Readiness score of Greenfield (UNKNOWN168687 - UNKNOWN168688)?
Greenfield (UNKNOWN168687 - UNKNOWN168688) scores 55.6/100 on the GridCensus DC Readiness scale, rated good. It ranks 29th of 49 scored sites in Sumner. The Sumner average is 55.6 and the Kansas average is 53.2.
What is the nearest substation to Greenfield (UNKNOWN168687 - UNKNOWN168688)?
The nearest mapped substation is UNKNOWN168687, at 345 kV. GridCensus catalogs 600 MW of candidate capacity for the site.
Which electric utility serves Greenfield (UNKNOWN168687 - UNKNOWN168688)?
EVERGY KANSAS SOUTH, INC (investor owned) holds the retail service territory that contains the site; its holding company is WESTAR ENERGY.
What grid region is Greenfield (UNKNOWN168687 - UNKNOWN168688) in?
Greenfield (UNKNOWN168687 - UNKNOWN168688) is in the SPP region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Greenfield (UNKNOWN168687 - UNKNOWN168688) from an internet exchange?
The nearest internet exchange facility is Midcon Recovery Solutions B3 Data Center, about 119.3 miles away; 11 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 (UNKNOWN168687 - UNKNOWN168688), Sumner, KS”, https://gridcensus.com/datacenter-sites/kansas/sumner/greenfield-unknown168687-unknown168688-9fd1edd5 (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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