SUNNYSIDE
Substation-AdjacentLos Angeles County, California · CAISO
At a glance
SUNNYSIDE is a substation-adjacent datacenter candidate site in Los Angeles County, California, scoring 50.7/100 DC Readiness — 230th of 691 scored sites in the county. Its nearest substation is SUNNYSIDE (0 mi, 69 kV). It sits in the CAISO grid region and the SOUTHERN CALIFORNIA EDISON CO service territory, where interconnection has averaged 7.6 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
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Site location
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How does SUNNYSIDE compare with other sites in Los Angeles County?
SUNNYSIDE ranks 230th of 691 scored candidate sites in Los Angeles County. Its 50.7/100 is roughly in line with the county average of 49.8. It is about 12% above the California average of 45.4 and roughly in line with the national average of 53.2.
Against the California average, its strongest sub-score is fiber connectivity (86 vs 66) and its weakest is water (24 vs 27). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is SUNNYSIDE to power, fiber and other datacenters?
The nearest mapped substation, SUNNYSIDE, is about 0 miles away and operates at 69 kV. The nearest located transmission bottleneck is 29400_ANTELOPE_500_29402_WIRLWIND_500_BR_1 _1 (CAISO), 58 miles away. For connectivity, the nearest internet exchange facility is Equinix LA7 - Los Angeles at 7.9 miles. 25 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Equinix LA7 - Los Angeles, 7.9 miles away.
What are the flood, water and hazard risks at SUNNYSIDE?
At the county level, FEMA's National Risk Index rates Los Angeles 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 Los Angeles County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| STATION L (SCATTERGOOD) | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 62.9 |
| STATION E (TOLUCA) | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 62.6 |
| Broadway (CA) | Brownfield | 66 kV | 167 MW | 7.6 yrs | 62.4 |
| STATION M(VALLEY) | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 61.7 |
| AIRWAY | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 61.3 |
| RINALDI | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 60.9 |
| VINCENT | Substation-Adjacent | 500 kV | 1,000 MW | 7.6 yrs | 59.8 |
| CHEVMAIN | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 59.1 |
SUNNYSIDE: common questions
What is the DC Readiness score of SUNNYSIDE?
SUNNYSIDE scores 50.7/100 on the GridCensus DC Readiness scale, rated fair. It ranks 230th of 691 scored sites in Los Angeles County. The Los Angeles County average is 49.8 and the California average is 45.4.
What is the nearest substation to SUNNYSIDE?
The nearest mapped substation is SUNNYSIDE, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
Which electric utility serves SUNNYSIDE?
SOUTHERN CALIFORNIA EDISON CO (investor owned) holds the retail service territory that contains the site; its holding company is SOUTHERN CALIFORNIA EDISON.
What grid region is SUNNYSIDE in?
SUNNYSIDE is in the CAISO region. Projects interconnecting there have averaged a 7.6-year wait from queue request to operation.
How far is SUNNYSIDE from an internet exchange?
The nearest internet exchange facility is Equinix LA7 - Los Angeles, about 7.9 miles away; 25 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, “SUNNYSIDE, Los Angeles County, CA”, https://gridcensus.com/datacenter-sites/california/los-angeles-county/sunnyside-8e76220a (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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