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La Paz County, AZ — Solar Development Risk Assessment

Local solar ordinance barriers, board sentiment, and utility policies that affect development timelines and risk.

45.8
Risk Grade
Good
BLM federal permitting process adds significant uncertainty for majority of viable sites; CRIT tribal jurisdiction near Parker; otherwise excellent solar resource and willing county government.
Assessment Snapshot
Population
20,627
State Rank
#7
Compliance
41%
Trajectory
38

Moratorium Status

✓ No Active Moratorium
No Moratorium

Ordinance & Regulations

Setback Requirements
La Paz County ZO: 150 ft from property lines for utility-scale. BLM ROW grant process for federal land projects adds parallel federal permitting track.
Zoning Mechanism
CUP via La Paz County Planning & Zoning Commission. BLM ROW grant (FLPMA) + NEPA EIS/EA for federal land portion. Colorado River Indian Tribes (CRIT) sovereign jurisdiction on reservation land near Parker.
Acreage Caps
None codified on county land; BLM leases negotiated per project.
Density Caps
None codified.
Spacing Rules
None codified.
Size Restrictions
No county restriction; BLM ROW grants may specify acreage.

Board Sentiment & Political Risk

Sentiment Analysis
Mixed — county government is pro-development but significant BLM federal process adds delay and uncertainty; very high solar resource quality attracts major developers.
Basis for Assessment
La Paz County supervisors are conservative but pro-economic development; BLM Western Solar Plan (2012, updated) identifies La Paz as priority Solar Energy Zone; high irradiance and BLM land availability make county attractive despite small population and limited local political influence.
Political Risk Factors
Stable
Board Members
La Paz County Board of Supervisors: Holly Irwin (District 1) | R | 2026; Duce Minor (District 2) | R | 2026; Ron Vivier (District 3) | R | 2026.

Grid, Utilities & State Context

Grid Operator
Arizona Public Service (APS) / Western Interconnection (WECC)
Utilities
Arizona Public Service (APS) — Pinnacle West Capital, None significant (very rural)
State Permitting Process
La Paz County CUP for private land. BLM ROW grant (FLPMA §501) + NEPA EIS/EA for federal land (typically 2–4 years). CRIT tribal council approval for reservation land. ACC review if applicable. ADWR water rights for construction/O&M. FAA coordination.
State Incentives
No binding Arizona RPS. APS renewable commitment. Federal ITC/PVTC. BLM acreage rental + capacity fees for federal land projects. Arizona solar tax exemptions. USDA REAP for rural portions.

Development Activity

Active/Completed Projects
Riverside Solar (APS/NextEra) | ~200 MW | BLM ROW + County CUP | Under development Quartzsite area BLM solar | ~150 MW | EIS in progress
Denied/Withdrawn Projects
No county-level denials; some BLM projects deferred during NEPA review.

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Last verified: 2026-03-24 | SolarRisk Tracker | Data sources: Government records, utility filings, public meeting minutes