Duncan, Ok at 34.385, -97.917
Federal ExcessStephens County, Oklahoma · SPP
At a glance
Duncan, Ok at 34.385, -97.917 is a federal excess datacenter candidate site in Stephens County, Oklahoma, scoring 49.9/100 DC Readiness — 35th of 44 scored sites in the county. It sits in the SPP grid region and the PUBLIC SERVICE CO OF OKLAHOMA service territory, where interconnection has averaged 4.3 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Sales tax exemption on DC equipment; 5-year ad valorem tax exemption.
Site location
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How does Duncan, Ok at 34.385, -97.917 compare with other sites in Stephens County?
Duncan, Ok at 34.385, -97.917 ranks 35th of 44 scored candidate sites in Stephens County. Its 49.9/100 is roughly in line with the county average of 53.8. It is roughly in line with the Oklahoma average of 52.9 and roughly in line with the national average of 53.2.
Against the Oklahoma average, its strongest sub-score is natural hazard (58 vs 57) and its weakest is power availability (30 vs 39). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Duncan, Ok at 34.385, -97.917 to power, fiber and other datacenters?
The nearest located transmission bottleneck is TMP526_32666 (SPP), 78 miles away. For connectivity, the nearest internet exchange facility is RACK59 Data Center at 76.3 miles. 3 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Datacenter 00747985149, 45.8 miles away.
What are the flood, water and hazard risks at Duncan, Ok at 34.385, -97.917?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). At the county level, FEMA's National Risk Index rates Stephens 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 Stephens County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN173361 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 61.7 |
| UNKNOWN168621 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.1 |
| TAP168620 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.1 |
| UNKNOWN168627 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.1 |
| UNKNOWN119124 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.0 |
| TAP149621 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.0 |
| UNKNOWN119074 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.0 |
| TAP168625 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.0 |
Duncan, Ok at 34.385, -97.917: common questions
What is the DC Readiness score of Duncan, Ok at 34.385, -97.917?
Duncan, Ok at 34.385, -97.917 scores 49.9/100 on the GridCensus DC Readiness scale, rated fair. It ranks 35th of 44 scored sites in Stephens County. The Stephens County average is 53.8 and the Oklahoma average is 52.9.
Which electric utility serves Duncan, Ok at 34.385, -97.917?
PUBLIC SERVICE CO OF OKLAHOMA (investor owned) holds the retail service territory that contains the site; its holding company is AMERICAN ELECTRIC POWER CO.
What grid region is Duncan, Ok at 34.385, -97.917 in?
Duncan, Ok at 34.385, -97.917 is in the SPP region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is Duncan, Ok at 34.385, -97.917 in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is Duncan, Ok at 34.385, -97.917 from an internet exchange?
The nearest internet exchange facility is RACK59 Data Center, about 76.3 miles away; 3 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, “Duncan, Ok at 34.385, -97.917, Stephens County, OK”, https://gridcensus.com/datacenter-sites/oklahoma/stephens-county/duncan-ok-07c60703 (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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