Solar & Wind Permits


TRC works with developers, utilities, and government agencies to provide efficient, cost-effective support on large and small commercial-scale solar and wind projects. We offer the expertise and resources necessary to plan, permit, engineer, and support construction of your solar and wind energy projects nationwide.


TRC has a long history of excellence in the energy industry, including permitting of a wide variety of renewable energy technologies such as solar, wind, and hydro. In addition to our full-service permitting capabilities, TRC also has extensive experience in civil and electrical engineering, power delivery, and construction oversight.

We support some of the country’s leading energy companies. Our engineers and scientists are at the forefront as U.S. government policies evolve and focus on renewable energy development, end user energy management, and environmental protection. We are proud of our past and dedicated to supporting the energy industry to meet the needs of a growing nation.

Our Solar & Wind Permits services include:

Site selection and due diligence support:

  • Site screening and GIS constraints mapping
  • Site feasibility/critical issues assessment
  • Transactional environmental due diligence
  • Meteorological specifications, monitoring, and data analysis
  • Wind-field modeling
  • Computational fluid dynamics modeling

Permitting and operations:

  • Permit strategy and critical path scheduling
  • Preparation of federal, state, and local permit/license/certificate applications
  • Agency negotiations, stakeholder involvement
  • Expert witness testimony/presentations
  • Biological, hydrological, and cultural resource characterization surveys
  • Wetlands and ecological assessments
  • Threatened and endangered species clearances
  • Impact assessment, avoidance, and mitigation planning
  • Construction monitoring for compliance with mitigation measures
  • Storm water and spill prevention plans


  • Plan f Development
  • Interconnection capacity studies
  • Interconnection requirements assessments
  • Power systems studies
  • Reliability committee submittals
  • Transmission line, collector system, sub- station and switchyard engineering and design
  • Civil engineering design, including access roads stormwater and spill prevention plans, grading and drainage
  • Construction support, including engineering, procurement, and construction