LAGUNA
Substation-AdjacentImperial County, Arizona · WECC
At a glance
LAGUNA is a substation-adjacent datacenter candidate site in Imperial County, Arizona, scoring 45.5/100 DC Readiness — 31st of 225 scored sites in the county. Its nearest substation is LAGUNA (0 mi, 69 kV). It sits in the WECC grid region and the ARIZONA PUBLIC SERVICE CO service territory, where interconnection has averaged 3.5 years from request to operation. GridCensus catalogs 50 MW of candidate capacity here.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
Sales-tax exemption suspended Jul 2026–Jun 2029; water constraints add scrutiny.
Site location
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How does LAGUNA compare with other sites in Imperial County?
LAGUNA ranks 31st of 225 scored candidate sites in Imperial County. Its 45.5/100 is roughly in line with the county average of 41.5. It is roughly in line with the Arizona average of 48.5 and about 14% below the national average of 53.2.
Against the Arizona average, its strongest sub-score is power availability (46 vs 34) and its weakest is natural hazard (52 vs 77). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is LAGUNA to power, fiber and other datacenters?
The nearest mapped substation, LAGUNA, is about 0 miles away and operates at 69 kV. For connectivity, the nearest internet exchange facility is Border Crossing Pop 1 at 133.5 miles. 4 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Border Crossing Pop 1, 133.5 miles away.
What are the flood, water and hazard risks at LAGUNA?
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 Imperial 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 Imperial County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| IMPERIAL VALLEY | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 55.0 |
| IMPERIAL VALLEY | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 54.6 |
| Heber Geothermal | Brownfield | 66 kV | 59 MW | 7.6 yrs | 54.3 |
| UNKNOWN301886 | Substation-Adjacent | 345 kV | 600 MW | 7.6 yrs | 53.2 |
| Hudson Ranch Power II LLC | Brownfield | 230 kV | 55 MW | 7.6 yrs | 52.0 |
| EL CENTRO | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 51.6 |
| HIGHLINE | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 50.6 |
| MIDWAY | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 50.5 |
LAGUNA: common questions
What is the DC Readiness score of LAGUNA?
LAGUNA scores 45.5/100 on the GridCensus DC Readiness scale, rated fair. It ranks 31st of 225 scored sites in Imperial County. The Imperial County average is 41.5 and the Arizona average is 48.5.
What is the nearest substation to LAGUNA?
The nearest mapped substation is LAGUNA, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
Which electric utility serves LAGUNA?
ARIZONA PUBLIC SERVICE CO (investor owned) holds the retail service territory that contains the site; its holding company is ARIZONA PUBLIC SERVICE COMPANY.
What grid region is LAGUNA in?
LAGUNA is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
Is LAGUNA 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 LAGUNA from an internet exchange?
The nearest internet exchange facility is Border Crossing Pop 1, about 133.5 miles away; 4 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, “LAGUNA, Imperial County, AZ”, https://gridcensus.com/datacenter-sites/arizona/imperial-county/laguna-0296800b (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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