Substation-Adjacent Datacenter Sites in Delaware
At a glance
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
Top substation-adjacent sites in Delaware
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| RED LION | Substation-Adjacent | New Castle County | 500 kV | 1,000 MW | 1.5 yrs | 70.8 |
| KEENEY | Substation-Adjacent | New Castle County | 500 kV | 1,000 MW | 1.5 yrs | 70.8 |
| UNKNOWN130225 | Substation-Adjacent | Delaware County | 230 kV | 300 MW | 1.5 yrs | 68.9 |
| UNKNOWN128234 | Substation-Adjacent | Delaware County | 230 kV | 300 MW | 1.5 yrs | 68.0 |
| CLAYMONT | Substation-Adjacent | Delaware County | 230 kV | 300 MW | 1.5 yrs | 67.7 |
| HARMONY | Substation-Adjacent | New Castle County | 230 kV | 300 MW | 1.5 yrs | 66.9 |
| UNKNOWN128201 | Substation-Adjacent | New Castle County | 230 kV | 300 MW | 1.5 yrs | 66.6 |
| RISER158153 | Substation-Adjacent | Delaware County | 138 kV | 100 MW | 1.5 yrs | 65.0 |
| CARRCROFT | Substation-Adjacent | Delaware County | 138 kV | 100 MW | 1.5 yrs | 64.9 |
| WEST | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 64.1 |
| UNKNOWN157016 | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 64.0 |
| UNKNOWN158379 | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 64.0 |
| SILVER SIDE ROAD | Substation-Adjacent | Delaware County | 138 kV | 100 MW | 1.5 yrs | 63.9 |
| UNKNOWN157017 | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 63.9 |
| SILVERBROOK | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 63.8 |
| BASIN ROAD | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 63.8 |
| MILLTOWN | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 63.8 |
| CHRISTIANA | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 63.6 |
| UNKNOWN128238 | Substation-Adjacent | New Castle County | 230 kV | 300 MW | 1.5 yrs | 63.6 |
| UNKNOWN129044 | Substation-Adjacent | Chester County | 138 kV | 100 MW | 1.5 yrs | 63.5 |
| UNKNOWN157018 | Substation-Adjacent | Chester County | 138 kV | 100 MW | 1.5 yrs | 63.5 |
| UNKNOWN128206 | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 62.9 |
| TAP170920 | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 62.8 |
| NEW CASTLE | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 62.7 |
| UNKNOWN129045 | Substation-Adjacent | New Castle County | 138 kV | 100 MW | 1.5 yrs | 62.7 |
How does Delaware compare with other states for substation-adjacent sites?
With 73 sites, Delaware ranks 49th of the 52 states that have any substation-adjacent candidate sites. Texas leads with 3,635. Nationally, substation-adjacent sites average 57.4/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Delaware averages 57.1, the 3rd-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 1.5 years.
Where are the highest-scoring substation-adjacent sites in Delaware?
The top 25 range from 70.8 to 62.7 on the 0–100 DC Readiness Score. They are concentrated in New Castle County (17), Delaware County (6) and Chester County (2). By grid region, 25 are in PJM.
County pages: New Castle County · Delaware County · Chester County
What power, fiber and flood exposure do these substation-adjacent sites have?
Of the top 25 substation-adjacent sites in Delaware, 25 have a recorded nearest-substation voltage, with a median of 138 kV; for 8 that substation is rated 230 kV or higher. Their counties have a median of 7 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 6 km. The median interconnection-queue wait in their markets is 1.5 years. None of the 2 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many substation-adjacent datacenter sites are in Delaware?
GridCensus catalogs 73 substation-adjacent datacenter candidate sites in Delaware, 0.2% of the national total for this type (49th of 52 states).
What is a substation-adjacent datacenter site?
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
What is the best substation-adjacent datacenter site in Delaware?
By DC Readiness Score, RED LION in New Castle County ranks first at 70.8/100, followed by KEENEY in New Castle County at 70.8.
Which Delaware counties have the best substation-adjacent sites?
The top 25 substation-adjacent sites in Delaware are concentrated in New Castle County (17), Delaware County (6) and Chester County (2).
How does Delaware score for datacenters overall?
All 288 scored sites in Delaware average 57.1/100 DC Readiness, the 3rd-highest of 52 states, against a national average of 53.0.
More on substation-adjacent sites and Delaware
Substation-Adjacent sites in other states
- Substation-Adjacent sites in Texas· 3,635 sites
- Substation-Adjacent sites in California· 1,573 sites
- Substation-Adjacent sites in Florida· 1,539 sites
- Substation-Adjacent sites in Georgia· 1,530 sites
- Substation-Adjacent sites in Oklahoma· 1,344 sites
- Substation-Adjacent sites in Washington· 1,343 sites
- Substation-Adjacent sites in Minnesota· 1,270 sites
- Substation-Adjacent sites in Kentucky· 1,261 sites
Dataset updated . Screening estimates derived from public data sources.
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 November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Substation-Adjacent datacenter sites in Delaware”, https://gridcensus.com/site-types/substation/delaware (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Substation-Adjacent sites in Delaware 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.