AI data center sites in Delaware
3 Delaware counties scored on transmission, the interconnection queue, power price and tax. Updated October 18, 2026.
Open a county for its queue requests, substations, plants and data centers.
| County | Score | Pipeline | Power price |
|---|---|---|---|
| 54 | 583 MW | 11.7¢/kWh | |
| 49 | 6.5 GW | 11.7¢/kWh | |
| 38 | 285 MW | 11.7¢/kWh |
Pipeline: active generation and storage requests in the ISO queue, or EIA planned plants where larger (outside the ISOs). Top kV: highest substation voltage. Power price: the state's industrial average. DCs: GPU colocation, mining sites and AI campuses.
What the data shows
The strongest Delaware counties for a large AI load are New Castle County (54), Sussex County (49) and Kent County (38) on the site score. Delaware sits in PJM; its ISO queues hold 7.4 GW of active generation and storage requests, 419 MW of them with a signed interconnection agreement, and it has 2 substations at 345 kV and up.
Industrial power averaged 11.7¢/kWh (EIA, July 2026 YTD), against 9.7¢/kWh a year earlier, the 39th lowest of the 50 states and DC. Delaware has no data center-specific sales tax exemption. We track 0 AI campuses and 0 GPU-ready colocation facilities here.
Top 3 counties in detail
1. New Castle CountyPJM
Site score 54 of 100
- Transmission
- 25/25
- Generation pipeline
- 7/20
- Industrial power price
- 13/20
- Existing and retiring plants
- 9/15
- Sales tax exemption
- 0/10
- Data center activity
- 0/10
- Market
- PJM
- Queue (active)
- 583 MW
- Agreement signed
- 74 MW
- Planned plants (EIA)
- 133 MW
- Top substation
- 500 kV
- Substations 230 kV+
- 6
- Operating plants
- 2.3 GW
- Retired or retiring
- 0 MW
- Industrial power, DE
- 11.7¢/kWh
- Sales tax exemption
- None
Largest queue requests
| Project | Point of interconnection | MW | Type | Stage |
|---|---|---|---|---|
| Edge Moore 230kVPJM AH2-051, in service 2025-06 | Edge Moore 230kV | 200 | Storage | In study |
| Cedar Creek 138 kVPJM AG2-446, in service 2022-11 | Cedar Creek 138 kV | 114 | Solar | In study |
| Cedar Creek 138 kVPJM AI2-089, in service 2024-11 | Cedar Creek 138 kV | 114 | Solar | In study |
| Townsend 138 kV IIPJM AG2-500, in service 2024-05 | Townsend 138 kV II | 50 | Storage | In study |
| Cedar Creek 138 kV VIIPJM AG2-447, in service 2024-02 | Cedar Creek 138 kV VII | 20 | Solar | In study |
| Cedar Creek SolarPJM AC1-091, in service 2025-06 | Cedar Creek 138kV I | 20 | Solar | Agreement signed |
| Cedar Creek SolarPJM AC1-092, in service 2025-06 | Cedar Creek 138kV II | 20 | Solar | Agreement signed |
| Cedar Creek SolarPJM AC1-093, in service 2025-06 | Cedar Creek 138kV III | 19 | Solar | Agreement signed |
Substations, 115 kV and up
- KEENEY · 11 lines500 kV
- RED LION · 8 lines500 kV
- EDGEMOOR · 10 lines230 kV
- HARMONY · 5 lines230 kV
- Unnamed · 3 lines230 kV
- CLAYMONT · 2 lines230 kV
- KIAMENSI · 6 lines138 kV
- NEW CASTLE · 4 lines138 kV
Planned, retiring and retired plants
- Cedar Creek Solar · Solar, planned 2028114 MW
2. Sussex CountyPJM
Site score 49 of 100
- Transmission
- 12/25
- Generation pipeline
- 18/20
- Industrial power price
- 13/20
- Existing and retiring plants
- 6/15
- Sales tax exemption
- 0/10
- Data center activity
- 0/10
- Market
- PJM
- Queue (active)
- 6.5 GW
- Agreement signed
- 255 MW
- Planned plants (EIA)
- 6 MW
- Top substation
- 230 kV
- Substations 230 kV+
- 2
- Operating plants
- 65 MW
- Retired or retiring
- 446 MW
- Industrial power, DE
- 11.7¢/kWh
- Sales tax exemption
- None
Largest queue requests
| Project | Point of interconnection | MW | Type | Stage |
|---|---|---|---|---|
| Indian River 230kVPJM AH1-384, in service 2027-10 | Indian River 230kV | 1,410 | Wind | In study |
| Indian River 230kVPJM AH1-277, in service 2027-10 | Indian River 230kV | 1,035 | Wind | In study |
| Milford - Indian River/Cool Springs 230kVPJM AH1-278, in service 2027-10 | Milford - Indian River/Cool Springs 230kV | 1,035 | Wind | In study |
| Indian River 230 kV IIPJM AG2-348, in service 2025-08 | Indian River 230 kV II | 898 | Wind | In study |
| Milford-Cool Springs 230 kVPJM AG2-108, in service 2026-10 | Milford-Cool Springs 230 kV | 460 | Wind | In study |
| Indian River 230 kVPJM AG2-347, in service 2025-08 | Indian River 230 kV | 449 | Wind | In study |
| Milford - Cool Springs 230 kV IIPJM AG2-342, in service 2026-10 | Milford - Cool Springs 230 kV II | 440 | Wind | In study |
| Maryland Offshore Wind Energy Project (MOWEP)PJM AB1-056, in service 2027-12 | Indian River 230kV I | 248 | Wind | Agreement signed |
Substations, 115 kV and up
- Unnamed · 9 lines230 kV
- Unnamed · 6 lines230 kV
- ROBINSONVILLE · 3 lines138 kV
- Unnamed · 3 lines138 kV
- WHARTON · 2 lines138 kV
- BAYARD · 2 lines138 kV
- REHOBOTH · 1 lines138 kV
- ANGOLA · 1 lines138 kV
Planned, retiring and retired plants
- Indian River Generating Station · Coal, retired 2025446 MW
3. Kent CountyPJM
Site score 38 of 100
- Transmission
- 12/25
- Generation pipeline
- 5/20
- Industrial power price
- 13/20
- Existing and retiring plants
- 7/15
- Sales tax exemption
- 0/10
- Data center activity
- 0/10
- Market
- PJM
- Queue (active)
- 285 MW
- Agreement signed
- 90 MW
- Planned plants (EIA)
- 61 MW
- Top substation
- 230 kV
- Substations 230 kV+
- 2
- Operating plants
- 663 MW
- Retired or retiring
- 114 MW
- Industrial power, DE
- 11.7¢/kWh
- Sales tax exemption
- None
Largest queue requests
| Project | Point of interconnection | MW | Type | Stage |
|---|---|---|---|---|
| Cartanza 230 kVPJM AG1-497 - moved to TC1, in service 2023-06 | Cartanza 230 kV | 120 | Solar or wind + storage | In study |
| Cartanza 230 kVPJM AH1-027, in service 2023-06 | Cartanza 230 kV | 25 | Solar | In study |
| Cedar Creek SolarPJM AC2-184, in service 2025-06 | Cedar Creek 138kV I | 20 | Solar | Agreement signed |
| Cedar Creek SolarPJM AC2-185, in service 2025-06 | Cedar Creek 138kV II | 20 | Solar | Agreement signed |
| Raceway SolarPJM AC2-187, in service 2025-03 | Harrington 69kV | 20 | Solar | Agreement signed |
| Raceway SolarPJM AC2-188, in service 2025-03 | Harrington 69 kV | 20 | Solar | Agreement signed |
| Harrington 69kVPJM AH1-574, in service 2024-10 | Harrington 69kV | 20 | Solar | In study |
| South Harrington 69kVPJM AH1-576, in service 2024-10 | South Harrington 69kV | 20 | Solar | In study |
Substations, 115 kV and up
- CARTANZA · 3 lines230 kV
- GARRISON ENERGY CENTER LLC · 1 lines230 kV
- Unnamed · 3 lines138 kV
- Unnamed · 3 lines138 kV
Planned, retiring and retired plants
- McKee Run · Gas, retired 2021114 MW
- Raceway Solar · Solar, planned 202750 MW
Data center tax exemption in Delaware
Delaware levies no state or local sales tax (it imposes a gross receipts tax on sellers instead), so no sales tax exemption for data centers applies.
Source: Delaware Division of Revenue, accessed 2026-10-17. General information, not tax advice; ask your tax advisor.
Large-load requests in PJM
PJM forecasts its summer peak at 222,106 MW in 2036, up 65,733 MW in ten years, with large load adjustments for data center growth in 14 transmission zones, including Dominion (Virginia), AEP, ComEd and PECO. Near-term adjustments now require firm commitments, so they came down from the 2025 forecast. PJM, Jan 14, 2026
Busiest points of interconnection in Delaware
| # | Point of interconnection | County | ISO | Requests | Queued MW | Mostly |
|---|---|---|---|---|---|---|
| 1 | Indian River 230kV | Sussex County, DE | PJM | 3 | 2,513 | Wind |
| 2 | Milford - Indian River/Cool Springs 230kV | Sussex County, DE | PJM | 1 | 1,035 | Wind |
How the score works
Six parts out of 100: transmission (25), generation in the queue (20), the state's industrial power price (20), existing and retiring plants (15), sales tax exemption (10) and data center activity (10). The site finder's methodology prints each formula and every source with its date. Markets: PJM (Mid-Atlantic and Midwest).
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Discuss a transaction
Funding a data center or the GPUs going into one in Delaware? Tell us about the site and the capital you need, and we will come back with the lenders and the structure that fit. Operators raising debt for a cluster can start at gpulenders.com.
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