Datacenter Sites in Sussex County, Delaware
Sussex County has 57 scored datacenter candidate sites averaging 54.4/100 DC Readiness, with a catalogued aggregate of 2,800 MW. FEMA rates local natural-hazard risk as "Relatively Low".
At a glance
Sussex County, Delaware has 57 scored datacenter candidate sites averaging 54.4/100 DC Readiness, roughly in line with the Delaware average of 57.1. It ranks 2nd of 3 Delaware counties by number of sites and 3rd by average score. The top-scoring site is Substation-Adjacent site · 69b1ae86 at 62.2/100.
Site-selection context for Sussex County
How does Sussex County compare with other counties in Delaware?
By number of scored sites, Sussex County ranks 2nd of the 3 Delaware counties with a county page, holding 20% of the state's 288 sites. Its average DC Readiness of 54.4/100 ranks 3rd in the state and is roughly in line with the national average of 53.0. Nationally it has the 656th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 29 score 55 or higher.
What types of datacenter sites are in Sussex County?
Greenfield sites are the most common (28, 49% of the county's inventory), followed by substation-adjacent (20) and industrial (6). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Sussex County?
Industrial electricity averages 9.38¢/kWh and commercial 11.11¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (18). WRI water stress is low. 7 fiber providers report service in the county. The climate runs 1,100 cooling degree days a year with a mean temperature of 55°F. Land is valued around $9,642 an acre.
By site type
Top datacenter sites in Sussex County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN128222 | Substation-Adjacent | 230 kV | 300 MW | 1.5 yrs | 62.2 |
| UNKNOWN128197 | Substation-Adjacent | 230 kV | 300 MW | 1.5 yrs | 60.5 |
| UNKNOWN128236 | Substation-Adjacent | 230 kV | 300 MW | 1.5 yrs | 59.7 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 58.1 |
| EC Near Indian River Generating Station | Greenfield | — | — | 1.5 yrs | 57.9 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 57.8 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 57.4 |
| OZ Sussex | Greenfield | — | — | 1.5 yrs | 57.3 |
| EC Coal Sussex County | Greenfield | — | — | 1.5 yrs | 57.2 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 57.2 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 56.8 |
| EC Near Indian River Generating Station | Greenfield | — | — | 1.5 yrs | 56.5 |
| EC Near Indian River Generating Station | Greenfield | — | — | 1.5 yrs | 56.5 |
| EC Coal Sussex County | Greenfield | — | — | 1.5 yrs | 56.0 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 55.9 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 55.9 |
| EC Near Indian River Generating Station | Greenfield | — | — | 1.5 yrs | 55.9 |
| UNKNOWN128217 | Substation-Adjacent | 138 kV | 100 MW | 1.5 yrs | 55.8 |
| UNKNOWN133901 | Substation-Adjacent | 138 kV | 100 MW | 1.5 yrs | 55.8 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 55.6 |
| ROBINSONVILLE | Substation-Adjacent | 138 kV | 100 MW | 1.5 yrs | 55.6 |
| TAP173339 | Substation-Adjacent | 138 kV | 100 MW | 1.5 yrs | 55.5 |
| REHOBOTH | Substation-Adjacent | 138 kV | 100 MW | 1.5 yrs | 55.4 |
| EC Near Seaford Delaware Plant | Greenfield | — | — | 1.5 yrs | 55.3 |
| BAYARD | Substation-Adjacent | 138 kV | 100 MW | 1.5 yrs | 55.3 |
Every scored site in Sussex County
All 57 sites, best first.
- Substation-Adjacent site · 69b1ae86 · 62.2
- Substation-Adjacent site · 7df7a036 · 60.5
- Substation-Adjacent site · 8ebcc5f5 · 59.7
- EC Near Seaford Delaware Plant · 3120deb5 · 58.1
- EC Near Indian River Generating Station · b81c0aa6 · 57.9
- EC Near Seaford Delaware Plant · 5143f28b · 57.8
- EC Near Seaford Delaware Plant · ff29d9e2 · 57.4
- OZ Sussex · 24fdbe3c · 57.3
- EC Coal Sussex County · 3051bb25 · 57.2
- EC Near Seaford Delaware Plant · e0de91ca · 57.2
- EC Near Seaford Delaware Plant · e94f6a71 · 56.8
- EC Near Indian River Generating Station · 653948ca · 56.5
- EC Near Indian River Generating Station · 6e5429de · 56.5
- EC Coal Sussex County · ff85156f · 56.0
- EC Near Seaford Delaware Plant · e78d7278 · 55.9
- EC Near Indian River Generating Station · 869638b7 · 55.9
- EC Near Seaford Delaware Plant · 45f65290 · 55.9
- Substation-Adjacent site · c50ab101 · 55.8
- Substation-Adjacent site · f9ced002 · 55.8
- EC Near Seaford Delaware Plant · ad640600 · 55.6
- ROBINSONVILLE · 55.6
- Substation-Adjacent site · 21b5b7a3 · 55.5
- REHOBOTH · 55.4
- BAYARD · 55.3
- WHARTON · 55.3
- ANGOLA · 55.3
- EC Near Seaford Delaware Plant · 43d59471 · 55.3
- EC Near Seaford Delaware Plant · 50c28502 · 55.3
- Substation-Adjacent site · 7543f38d · 55.0
- EC Near Seaford Delaware Plant · 5482c33a · 54.9
- EC Near Indian River Generating Station · af145496 · 54.7
- EC Near Indian River Generating Station · 45a85e41 · 54.7
- EC Near Seaford Delaware Plant · 3e816719 · 54.7
- EC Coal Sussex County · 89b87899 · 54.3
- Substation-Adjacent site · b6e5819d · 54.2
- BRIDGEVILLE · 54.2
- Substation-Adjacent site · 4b1c115f · 53.4
- Substation-Adjacent site · 3ad38ef0 · 53.4
- Substation-Adjacent site · 8a80121a · 53.3
- Substation-Adjacent site · ef894b7a · 53.2
- Substation-Adjacent site · cfa55711 · 53.1
- Greenfield (UNKNOWN128197 - UNKNOWN128236) · 53.0
- Greenfield (UNKNOWN128197 - UNKNOWN128221) · 52.9
- OZ Sussex · 730908ef · 52.9
- WORKMAN · 52.8
- EC Coal Sussex County · 6cf29a24 · 52.1
- EC Near Indian River Generating Station · 5cc23f3b · 51.7
- EC Near Indian River Generating Station · 97187f04 · 50.7
- J. B. Dry Cleaners · 50.1
- Mine Site · 2009e688 · 49.5
- Thoro-Kleen Dry Cleaning & Laundry · 49.5
- Former FAS Mart #259/Christy Tire · 49.5
- Seaford Power Plant · 49.4
- Hudson Pit · 49.2
- Mine Site · 2d718991 · 49.1
- Mine Site · 58767369 · 49.0
- Lewes Boat Ramp · 48.5
Sussex County datacenter FAQ
How many datacenter sites are in Sussex County?
57 scored datacenter candidate sites, averaging 54.4/100 DC Readiness. That is the 2nd-most of 3 Delaware counties with five or more sites.
What is the highest-scoring datacenter site in Sussex County?
Substation-Adjacent site · 69b1ae86 scores 62.2/100 DC Readiness, the highest of the 57 scored sites in Sussex County (a substation-adjacent site).
Does Sussex County offer datacenter tax incentives?
No datacenter-specific tax incentive is on record for Sussex County in the GridCensus county dataset.
What is the natural-hazard risk in Sussex County?
FEMA's National Risk Index rates Sussex County as "Relatively Low" (score 18).
What are industrial electricity rates in Sussex County?
Average industrial electricity is 9.38¢/kWh and commercial is 11.11¢/kWh in Sussex County.
More in Delaware
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, “Datacenter candidate sites in Sussex County, Delaware”, https://gridcensus.com/datacenter-sites/delaware/sussex-county (data as of November 12, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Sussex County, 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.