KEY LARGO
Substation-AdjacentMiami-Dade County, Florida · SERC
At a glance
KEY LARGO is a substation-adjacent datacenter candidate site in Miami-Dade County, Florida, scoring 54.8/100 DC Readiness — 502nd of 518 scored sites in the county. Its nearest substation is KEY LARGO (0 mi, 138 kV). It sits in the SERC grid region and the FLORIDA POWER & LIGHT CO 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
Get alerts
Track KEY LARGO
Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.
How does KEY LARGO compare with other sites in Miami-Dade County?
KEY LARGO ranks 502nd of 518 scored candidate sites in Miami-Dade County. Its 54.8/100 is roughly in line with the county average of 58.1. It is roughly in line with the Florida average of 56.0 and roughly in line with the national average of 53.2.
Against the Florida average, its strongest sub-score is power availability (58 vs 41) and its weakest is fiber connectivity (45 vs 73). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is KEY LARGO to power, fiber and other datacenters?
The nearest mapped substation, KEY LARGO, is about 0 miles away and operates at 138 kV. For connectivity, the nearest internet exchange facility is Equinix MI6 - Miami, Doral at 49.1 miles. 16 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is NocRoom Miami IT Services, 39 miles away.
What are the flood, water and hazard risks at KEY LARGO?
At the county level, FEMA's National Risk Index rates Miami-Dade 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 Miami-Dade County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| LEVEE | Substation-Adjacent | 500 kV | 1,000 MW | 3.7 yrs | 70.8 |
| MIAMI SHORES | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.6 |
| UNKNOWN120065 | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.6 |
| TAP169166 | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.6 |
| DADE | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.5 |
| FLAGAMI | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.5 |
| 137TH AVENUE | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.5 |
| TAP143172 | Substation-Adjacent | 230 kV | 300 MW | 3.7 yrs | 67.5 |
KEY LARGO: common questions
What is the DC Readiness score of KEY LARGO?
KEY LARGO scores 54.8/100 on the GridCensus DC Readiness scale, rated fair. It ranks 502nd of 518 scored sites in Miami-Dade County. The Miami-Dade County average is 58.1 and the Florida average is 56.0.
What is the nearest substation to KEY LARGO?
The nearest mapped substation is KEY LARGO, about 0 miles away, at 138 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves KEY LARGO?
FLORIDA POWER & LIGHT CO (investor owned) holds the retail service territory that contains the site; its holding company is NEXTERA ENERGY INC.
What grid region is KEY LARGO in?
KEY LARGO is in the SERC region. Projects interconnecting there have averaged a 3.7-year wait from queue request to operation.
How far is KEY LARGO from an internet exchange?
The nearest internet exchange facility is Equinix MI6 - Miami, Doral, about 49.1 miles away; 16 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, “KEY LARGO, Miami-Dade County, FL”, https://gridcensus.com/datacenter-sites/florida/miami-dade-county/key-largo-d04d52a8 (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.
Go deeper than the public screen
Every site and score for KEY LARGO, Miami-Dade 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.