In effect
Limited protection
New Castle County, DE — Data Center Land-Use Regulations (buffer, setback, decommissioning, cooling)
New Castle County, DE · Data Center Land-Use Regulations (buffer, setback, decommissioning, cooling)
New Castle County enacted regulations requiring new data centers to keep 1,000-foot residential setbacks, use closed-loop cooling and energy-efficient generators, and set aside decommissioning funds.
Technical detail
New Castle County enacted regulations requiring new data centers to keep 1,000-foot residential setbacks, use closed-loop cooling and energy-efficient generators, and set aside decommissioning funds.
Who is protected: Local residents subject to the measure.
Who must comply: Local government / regulated operators.
Key facts
| Jurisdiction | New Castle County, DE |
|---|---|
| Level | County |
| Status | In effect |
| Protection strength | Limited protection |
| Effective date | 2026-03-19 |
| Citation | Data Center Land-Use Regulations (buffer, setback, decommissioning, cooling) |
| Topics | data-center siting and energy |
| Last verified | 2026-07-01 |
| Official source | New data center regulations go into effect, but not for Delaware City proposal ↗ |
Related data-center siting and energy rules elsewhere
- Emergency 365-day moratorium on new data centers (>20 MVA) · In effect
- Resolution setting Seattle data-center impact-study framework · In effect
- Six-month moratorium on data centers >350,000 sq ft (Minneapolis) · In effect
- Nashville/Davidson County temporary moratorium on data centers · Proposed / pending
- Two-year moratorium on data centers, crypto mining, battery storage · In effect
- One-year data-center moratorium in unincorporated Boone County · In effect
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