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AHJ, utility and governing code updates for Colorado, Illinois, Oregon, Michigan, Maryland

Home » All » AHJ, utility and governing code updates for Colorado, Illinois, Oregon, Michigan, Maryland

Keeping up with evolving regulations is crucial for seamless solar installations. Solargraf now incorporates the latest updates from AHJs, utilities, and governing codes, ensuring your designs stay compliant and your permitting process remains hassle-free. With these enhancements, you can focus on what matters most—delivering efficient, industry-aligned solar projects with confidence.

AHJ updates

Solargraf is now updated with the latest changes in Colorado, Illinois, Oregon, Michigan and Maryland.

Colorado

Boulder city: Development in Boulder requires conformance with all adopted building codes, all land use regulations, and the city’s design and construction standards. These codes, rules and regulations comprise the minimum standards required for development in the city. Read more.

Illinois

Des Plains: New codes adopted Chicago codes. Please review it here.

Oregon

Lane County: The Energy Efficiency code has been updated to 2025 Oregon Energy Efficiency Specialty Code (OEESC).

Michigan

Lowell City: The Michigan state adopts the new code of 10th Edition from 1st July 2025.

Maryland

Cecil County: The City adopted new NEC codes effective from 2nd Aug’2025. Please review it here.

Utility updates

Utilities from Illinois have made significant changes.

State Utility Name Public/Internal Description
Illinois Ameren Internal
  • Polaris Tap is not allowed in this Utility
  • The raceway for the tap conductors must be GRC or IMC conduit
  • PVC is only allowed if it is underground installation

At Solargraf, we’re dedicated to keeping installers ahead of the curve by integrating the latest AHJ updates seamlessly into our platform. These enhancements ensure a smoother design, proposal, and permitting process—saving you time and reducing complexities. As regulations evolve, we remain committed to providing the most accurate and up-to-date information to support your projects.

Stay ahead with Solargraf and simplify solar workflows like never before!

Please note that the information provided is based on the updates received from AHJ and Utility authorities and may be subject to further updates or changes. Always consult the latest local regulations and AHJ guidelines for the most accurate and up-to-date information. If you have any additional questions, feel free to contact us at [email protected]!

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