New Castle County
New Castle County, Delaware: solar permitting grade C (score 47/100, Elevated Risk). Score has been stable over the last 12 months. Primary-source ordinance and board-vote data on SitePath.
Public summary
| Grade | C · Elevated Risk · Score 47/100 |
| Population | 558,753 |
| Solar ordinance | Ordinance status documented in detail |
| Active moratorium | None on record |
| Regulatory trajectory | Improving (ordinance direction easing) |
| 12-month score movement | Stable |
| Last verified | 2026-05-02 |
Developer outlook
New Castle County carries elevated permitting risk. Developers should budget additional time for ordinance review, public hearing preparation, and community engagement. Market saturation is elevated in this area — expect competition for prime land parcels and interconnection capacity.
Local intel
No energy-related meetings, PSC dockets, or named opposition tracked for this county yet. See indexed calendar →
Nearby counties where SitePath is tracking energy activity: Salem County (≈15 mi) · Chester County (≈28 mi) · Gloucester County (≈28 mi)
Cities, towns & townships
Local governments in New Castle County. An incorporated city, town or village can adopt its own zoning, separate from the county’s.
- Delaware City city
- New Castle city
- Newark city
- Wilmington city
- Bellefonte town
- Clayton townpartly in this county
- Elsmere town
- Middletown town
- Newport town
- Odessa town
- Smyrna townpartly in this county
- Townsend town
- Arden village
- Ardencroft village
- Ardentown village
Source: U.S. Census Bureau, incorporated places and county subdivisions with an active government.
Nearby counties
- Salem County, NJ · ≈15 miC43—
- Cecil County, MD · ≈16 miC49—
- Delaware County, PA · ≈27 miC48—
- Chester County, PA · ≈28 miD61—
- Gloucester County, NJ · ≈28 miB37—
- Cumberland County, NJ · ≈33 miC44—
Compare these counties side-by-side →
New Castle County ranks #1 of 3 ranked Delaware counties (1 = lowest permitting risk). Lowest-risk in Delaware: Kent County (C · 48), Sussex County (D · 52). See all Delaware county grades →
Want the full record?
Setback distances, board vote histories, source documents, and ordinance amendments are available in the full county profile. The map is free; a walkthrough shows you the underlying record.
About this score
Every U.S. county is scored 0–100 on solar permitting risk (lower is friendlier to development). The grade is a weighted composite of compliance stringency, market saturation, regulatory trajectory, and data uncertainty. Every figure traces back to a primary government document. Read the full methodology →
Related reading
SitePath Intelligence is a research platform. Data verified as of 2026-05-02. Scores update on a quarterly review cycle.