TAP142109
SubstationFlorida · FLORIDA POWER & LIGHT CO
At a glance
TAP142109 is an electric transmission substation in Florida, on FLORIDA POWER & LIGHT CO's transmission network. It is classified as sub-transmission (115 kv) and connects 3 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 |
|---|---|---|---|---|
| #118506 | 115 kV | FLORIDA POWER & LIGHT CO | IN SERVICE | 0.0 mi |
| #126043 | 115 kV | FLORIDA POWER & LIGHT CO | IN SERVICE | 3.1 mi |
| #148248 | 115 kV | FLORIDA POWER & LIGHT CO | IN SERVICE | 4.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP142109, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN120509 | Substation-Adjacent | FL | Duval County | 230 kV | 300 MW | 3.7 yrs | 68.3 |
| DUVAL | Substation-Adjacent | FL | Duval County | 500 kV | 1,000 MW | 3.7 yrs | 68.2 |
| Southside Generating Station | Brownfield | FL | Duval County | — | 232 MW | 3.7 yrs | 67.9 |
| HARTLEY | Substation-Adjacent | FL | Duval County | 230 kV | 300 MW | 3.7 yrs | 66.8 |
| FOREST | Substation-Adjacent | FL | Duval County | 230 kV | 300 MW | 3.7 yrs | 66.6 |
| GREEN ENERGY CENTER | Substation-Adjacent | FL | Duval County | 230 kV | 300 MW | 3.7 yrs | 66.4 |
| EC Near J D Kennedy | Greenfield | FL | Duval | — | — | 3.7 yrs | 66.0 |
| UNKNOWN120521 | Substation-Adjacent | FL | Duval County | 230 kV | 300 MW | 3.7 yrs | 65.9 |
Who owns the transmission lines at TAP142109?
The 3 connected lines listed above are owned by FLORIDA POWER & LIGHT CO. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 7.3 miles.
How do candidate sites near TAP142109 score?
The 8 highest-scoring candidate sites within about 25 miles range from 66 to 68 on the 0–100 DC Readiness scale. They fall in Duval County, Duval. 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
What voltage is TAP142109 substation?
TAP142109 has a maximum voltage of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP142109 is at the national midpoint.
How many transmission lines connect to TAP142109 substation?
3 transmission lines terminate at or pass through TAP142109 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 7.3 miles.
Who owns TAP142109 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP142109 belong to FLORIDA POWER & LIGHT CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP142109 substation located?
TAP142109 is in Florida at 30.0886, -81.7243. The datacenter candidate sites closest to it are in Duval County, Duval.
Are there datacenter candidate sites near TAP142109 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP142109. The highest-scoring is UNKNOWN120509 at 68/100. 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, “TAP142109 substation, Florida”, https://gridcensus.com/substations/florida/tap142109-d3f4bbcb (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 TAP142109 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.