Why Zoning for Data Centers Is Urgent Right Now
Data centers have quietly evolved from niche infrastructure into the physical backbone of the AI economy — and local zoning codes simply haven't kept pace. AI-driven demand is accelerating facility construction at a scale that most municipal land-use frameworks were never designed to handle. Communities are now grappling with energy loads, noise, water use, and visual impact from facilities that can consume 50–500+ megawatts of power. The gap between development speed and regulatory readiness is the central challenge planners face today.
What a Model Ordinance Actually Contains
The York County Planning Commission (YCPC) Data Center Model Ordinance (August 2025, revised April 2026) is one of the most detailed publicly available frameworks. It provides municipalities with adaptable, template-ready language across several critical areas:
Key Definitions Established
- Data Center — A facility primarily for storage, management, processing, and transmission of digital data, including servers, network equipment, cooling systems, and utility substations.
- Data Center Accessory Use — Ancillary structures (admin buildings, generators, fiber optic lines, cooling towers, fire suppression systems) on the same tract as the primary facility.
- Data Center Electrical Substation — A dedicated on-site or adjacent facility for voltage transformation to serve the data center's power needs.
- Community Noise Equivalent Level (CNEL) — A 24-hour A-weighted sound metric with evening (+5 dB) and nighttime (+10 dB) penalties, used to regulate generator and cooling tower noise.
Core Regulatory Sections
| Ordinance Section | What It Addresses |
|---|---|
| Permitted Use / Special Exception | Which zoning districts allow data centers, and under what conditions |
| Setback & Buffer Requirements | Minimum distances from residential zones, roads, and property lines |
| Noise Standards | CNEL thresholds for HVAC, generators, and cooling equipment |
| Utility Infrastructure | Substation siting, water use, wastewater treatment |
| Accessory Structures | Generators, security fencing, fiber lines |
| Aesthetic & Screening Standards | Landscaping, facade requirements, visual buffers |
The YCPC model explicitly notes that suggested sizes, distances, and thresholds are recommendations — municipalities must calibrate them to local context.
The Broader Planning Landscape: What Communities Are Doing
Smart Growth America published a major 2026 analysis finding that zoning codes across the U.S. are structurally unprepared for the data center boom. Key findings:
- Most jurisdictions lack a distinct land-use category for data centers, forcing them into industrial or "heavy commercial" buckets that don't address their unique impacts.
- West Virginia (2025) passed legislation incentivizing statewide data center development — but with provisions limiting local regulatory authority, raising concerns about community input.
- The absence of proactive zoning creates a reactive posture: communities get proposals before they have rules, leading to rushed approvals or outright bans.
The National Association of Development Organizations (NADO) compiles planning resources for regional development organizations and highlights several best-practice frameworks:
- The Urban Land Institute (ULI) published Local Guidelines for Data Center Development, which includes a comprehensive model zoning ordinance covering sound mitigation, fire safety, and site aesthetics.
- The Southern Environmental Law Center (SELC) released Getting It Right: Local Approaches to Data Center Development (January 2026), offering transparency and accountability tools for local zoning ordinances.
- The Congressional Research Service documents that U.S. data centers account for ~4.4% of national energy consumption, with demand projected to double or triple by 2028 — underscoring why energy and grid infrastructure provisions in ordinances are non-negotiable.
State-Level Regulatory Action: New York's Moratorium
The most dramatic recent development is New York State's one-year moratorium on major data center development, issued by Governor Kathy Hochul via Executive Order #62 on July 14, 2026 — making New York the first U.S. state to take such action.
Key Details of EO #62
- Scope: Imposes an immediate moratorium on discretionary environmental permits for data centers of 50 megawatts or more ("hyperscale" facilities).
- Duration: One year, during which state agencies must study and develop future siting guidelines.
- Narrower than the Legislature's bill: The Responsible Data Center Development Act (passed both houses in June 2026 but unsigned) would have set the threshold at just 20 MW — capturing far more projects.
- Driving force: The absence of meaningful federal AI infrastructure regulation has pushed states and localities to fill the void.
This moratorium signals a growing national tension: communities want the economic benefits of data centers but are increasingly unwilling to absorb their infrastructure and environmental costs without guardrails.
Key Takeaways for Planners & Policymakers
Here's a synthesis of what the best model ordinances and emerging policy trends tell us:
- Define the use distinctly. Don't lump data centers into generic industrial categories. Precise definitions (as in the YCPC model) are the foundation of effective regulation.
- Address energy and water upfront. Ordinances should require applicants to demonstrate grid capacity and water supply adequacy before permits are issued.
- Set noise standards with teeth. CNEL-based thresholds with day/evening/night differentiation protect adjacent residential uses from 24/7 cooling and generator noise.
- Plan proactively, not reactively. Communities that conduct land-use assessments before proposals arrive are far better positioned to negotiate community benefits.
- Watch state preemption. As New York's moratorium and West Virginia's deregulation show, state-level action can either empower or override local zoning authority — planners must monitor legislative trends.
Sources:
- — Carter Ledyard & Milburn LLP, New York's Data Center Moratorium (July 2026)
- — Smart Growth America, Data Centers Are Here, and More Are Coming (April 2026)
- — York County Planning Commission, Data Center Model Ordinance (Rev. April 2026)
- — NADO, Data Center Planning Resources for EDDs & RDOs (Updated August 2026)
Sources & Links: Data Center Zoning Ordinances
🏛️ Model Ordinances & Planning Frameworks
1. York County Planning Commission — Data Center Model Ordinance The most detailed publicly available model ordinance; covers definitions, noise standards, setbacks, utility infrastructure, and accessory uses. Revised April 2026. 🔗 https://www.ycpc.org/700/Data-Centers-Model-Ordinance-PDF
2. Urban Land Institute — Local Guidelines for Data Center Development Demystifies data centers for local officials; includes a comprehensive model zoning ordinance covering sound mitigation, fire safety, and site aesthetics. 🔗 https://knowledge.uli.org/-/media/files/research-reports/2024/uli-data-center-whitepaper_hm_2024-11-12_final-final-round.pdf
3. Southern Environmental Law Center — Getting It Right: Local Approaches to Data Center Development Best practices and transparency tools for local governments; includes examples of data center-specific zoning provisions from multiple localities. Published January 2026. 🔗 https://www.selc.org/wp-content/uploads/2026/01/SELC-Data-Center-Development-Report-All-0126_F.pdf
📊 Policy Analysis & Research
4. Smart Growth America — Data Centers Are Here, and More Are Coming. Our Zoning Is Not Ready. National analysis of the gap between data center development speed and local zoning readiness. April 2026. 🔗 https://www.smartgrowthamerica.org/knowledge-hub/news/data-centers-are-here-and-more-are-coming-our-zoning-is-not-ready/
5. NADO — Data Center Planning Resources for EDDs & RDOs Comprehensive resource hub for regional development organizations; compiles reports, model ordinances, and policy analyses. Last updated August 4, 2026. 🔗 https://www.nado.org/data-center-planning-resources-for-edds-rdos/
6. Brookings Institution — The Future of Data Centers Overview of facility types, geographic distribution, energy/water challenges, permitting barriers, and workforce impacts. 🔗 https://www.brookings.edu/articles/the-future-of-data-centers/
7. Brookings Institution — Turning the Data Center Boom into Long-Term, Local Prosperity Argues communities should treat siting decisions as ecosystem-shaping opportunities and negotiate co-investments in workforce and R&D. 🔗 https://www.brookings.edu/articles/turning-the-data-center-boom-into-long-term-local-prosperity/
8. Congressional Research Service — Data Centers and Their Energy Consumption Nonpartisan FAQ documenting that U.S. data centers account for ~4.4% of national energy consumption, with demand projected to double or triple by 2028. 🔗 https://www.congress.gov/crs_external_products/R/PDF/R48646/R48646.1.pdf
⚖️ Legal & Regulatory Actions
9. Carter Ledyard & Milburn LLP — New York's Data Center Moratorium: A Practical Roadmap Through the One-Year Pause Legal analysis of Governor Hochul's Executive Order #62 (July 14, 2026), imposing a one-year moratorium on hyperscale data center permits (50 MW+). 🔗 https://www.clm.com/new-yorks-data-center-moratorium-a-practical-roadmap-through-the-one-year-pause/
🎓 Educational & Webinar Resources
10. Federal Reserve Bank of Philadelphia — Planning for Data Center Development Webinar Examines how data center expansion reshapes rural communities, covering economic trade-offs, workforce implications, and regional competitiveness. 🔗 https://www.philadelphiafed.org/calendar-of-events/rural-community-action-assembly-planning-for-data-center-development
11. NADO Research Foundation — The Future is Now: Data Center Fundamentals for EDD Staff In-depth examination of the roles Economic Development Districts play in supporting regional responses to data center activity. 🔗 https://www.nado.org/data-center-fundamentals/
All links verified as of September 21, 2026.
