CORTEZ
SubstationFlorida · FLORIDA POWER & LIGHT CO
At a glance
CORTEZ is an electric transmission substation in Florida, on FLORIDA POWER & LIGHT CO's transmission network. It is classified as unclassified and connects 4 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #125838 | — | FLORIDA POWER & LIGHT CO | IN SERVICE | 10.8 mi |
| #142426 | — | FLORIDA POWER & LIGHT CO | IN SERVICE | 3.8 mi |
| #145200 | — | FLORIDA POWER & LIGHT CO | IN SERVICE | 4.0 mi |
| #179170 | — | FLORIDA POWER & LIGHT CO | IN SERVICE | 4.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of CORTEZ, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| UNKNOWN120373 | Substation-Adjacent | FL | Hillsborough County | 230 kV | 300 MW | 3.7 yrs | 68.7 |
| UNKNOWN127931 | Substation-Adjacent | FL | Pinellas County | 230 kV | 300 MW | 3.7 yrs | 67.4 |
| DEADEND167089 | Substation-Adjacent | FL | Hillsborough County | 230 kV | 300 MW | 3.7 yrs | 66.0 |
| RIVERVIEW | Substation-Adjacent | FL | Hillsborough County | 230 kV | 300 MW | 3.7 yrs | 65.8 |
| ASPEN | Substation-Adjacent | FL | Hillsborough County | 230 kV | 300 MW | 3.7 yrs | 65.0 |
| EC Near Big Bend | Greenfield | FL | Hillsborough | — | — | 3.7 yrs | 64.4 |
| RUSKIN | Substation-Adjacent | FL | Hillsborough County | 230 kV | 300 MW | 3.7 yrs | 64.4 |
| UNKNOWN120344 | Substation-Adjacent | FL | Pinellas County | 230 kV | 300 MW | 3.7 yrs | 64.4 |
Who owns the transmission lines at CORTEZ?
The 4 connected lines listed above are owned by FLORIDA POWER & LIGHT CO. Their combined recorded length is about 23.2 miles.
How do candidate sites near CORTEZ score?
The 8 highest-scoring candidate sites within about 25 miles range from 64 to 69 on the 0–100 DC Readiness scale. They fall in Hillsborough County, Pinellas County, Hillsborough. The Florida average across 4,344 scored sites is 56. 1,539 of those Florida sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to CORTEZ substation?
4 transmission lines terminate at or pass through CORTEZ in the HIFLD line data. Together the listed lines cover about 23.2 miles.
Who owns CORTEZ substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at CORTEZ belong to FLORIDA POWER & LIGHT CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is CORTEZ substation located?
CORTEZ is in Florida at 27.4618, -82.6119. The datacenter candidate sites closest to it are in Hillsborough County, Pinellas County, Hillsborough.
Are there datacenter candidate sites near CORTEZ substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of CORTEZ. The highest-scoring is UNKNOWN120373 at 69/100. Across Florida, the average DC Readiness score is 56.
More in Florida
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “CORTEZ substation, Florida”, https://gridcensus.com/substations/florida/cortez-10d09db1 (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for CORTEZ substation, Florida 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.