HIMES
Substation-AdjacentHillsborough County, Florida · SERC
At a glance
HIMES is a substation-adjacent datacenter candidate site in Hillsborough County, Florida, scoring 62.4/100 DC Readiness — 37th of 278 scored sites in the county. Its nearest substation is HIMES (0 mi, 138 kV). It sits in the SERC grid region and the DUKE ENERGY FLORIDA, LLC service territory, where interconnection has averaged 3.7 years from request to operation. GridCensus catalogs 100 MW of candidate capacity here.
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 manufacturing machinery including servers; no state income tax.
Site location
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How does HIMES compare with other sites in Hillsborough County?
HIMES ranks 37th of 278 scored candidate sites in Hillsborough County. Its 62.4/100 is roughly in line with the county average of 58.5. It is about 11% above the Florida average of 56.0 and about 17% above the national average of 53.2.
Against the Florida average, its strongest sub-score is fiber connectivity (95 vs 73) and its weakest is water (76 vs 76). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is HIMES to power, fiber and other datacenters?
The nearest mapped substation, HIMES, is about 0 miles away and operates at 138 kV. For connectivity, the nearest internet exchange facility is WOW! Business (Tampa Datacenter) at 5.1 miles. 13 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is CyrusOne Tampa, 5.2 miles away.
What are the flood, water and hazard risks at HIMES?
At the county level, FEMA's National Risk Index rates Hillsborough 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 Hillsborough County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN120373 | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 68.7 |
| F J Gannon | Brownfield | — | 635 MW | 3.7 yrs | 68.4 |
| STATE ROUTE 60 | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.6 |
| 11TH AVENUE | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.5 |
| JUNEAU | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.4 |
| DAVIS | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.3 |
| EC Near Tampa Electric Co NA 2 | Greenfield | — | — | 3.7 yrs | 67.2 |
| UNKNOWN120416 | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 66.5 |
HIMES: common questions
What is the DC Readiness score of HIMES?
HIMES scores 62.4/100 on the GridCensus DC Readiness scale, rated good. It ranks 37th of 278 scored sites in Hillsborough County. The Hillsborough County average is 58.5 and the Florida average is 56.0.
What is the nearest substation to HIMES?
The nearest mapped substation is HIMES, about 0 miles away, at 138 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves HIMES?
DUKE ENERGY FLORIDA, LLC (investor owned) holds the retail service territory that contains the site; its holding company is DUKE ENERGY CORP.
What grid region is HIMES in?
HIMES is in the SERC region. Projects interconnecting there have averaged a 3.7-year wait from queue request to operation.
How far is HIMES from an internet exchange?
The nearest internet exchange facility is WOW! Business (Tampa Datacenter), about 5.1 miles away; 13 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, “HIMES, Hillsborough County, FL”, https://gridcensus.com/datacenter-sites/florida/hillsborough-county/himes-de71a7ca (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 HIMES, Hillsborough 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.