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Simplifying Solar Permitting in Rhode Island: What You Need to Know

Solar Permitting in Rhode Island


Navigating the permitting process for solar installations can often be a daunting task for homeowners and businesses alike. Rhode Island has taken significant steps to streamline this process, making it easier for applicants to secure the necessary permits for their solar photovoltaic (PV) systems. In this blog post, we’ll break down the key elements of Statewide Solar Permitting in Rhode Island, providing you with everything you need to know to get started with your solar project.

Purpose of the Regulations

The primary goal of Rhode Island’s solar permit regulations is to create a predictable and universal process for obtaining a single permit that covers both building and electrical aspects of solar PV systems. This streamlined approach not only simplifies the application process but also ensures that applicants can efficiently navigate municipal requirements without unnecessary delays.

Authority and Scope

These regulations are issued by the Rhode Island Office of Energy Resources in collaboration with the Rhode Island State Building Code Commission. As of January 1, 2018, all municipalities in Rhode Island are required to use the standardized statewide solar energy permit application, ensuring consistency and predictability across the state.

Key Definitions:

Understanding the terminology used in the permit application process is crucial. Here are some essential definitions:

  • Alternating Current (AC): A type of electrical current where the direction is reversed at regular intervals or cycles.
  • Direct Current (DC): A type of electrical transmission where electricity flows in one direction, usually at low voltage and high current.
  • Inverter: A device that converts DC electricity from solar panels into AC electricity that can be used by the electrical grid.
  • Solar Photovoltaic System (PV System): An arrangement of solar panels, inverters, and other components that generate and convert solar energy into usable electricity.

Components of the Statewide Solar Energy Permit Application:

The application requires detailed information and documentation to ensure that all aspects of the solar installation are adequately addressed. Here are the main elements you’ll need to include:

  1. Property Owner Information: Name and address of the property owner and the installation site.
  2. System Details: Total system size (AC and DC), interconnection location, and mounting structure.
  3. Energy Storage: Information on any energy storage components, including their use and charging method.
  4. Contractor Details: Business name, address, and license numbers of the applicant and electricians involved in the installation.
  5. Roofing Information: Existing roofing material and methods for weatherproofing roof penetrations.
  6. Structural Details: Engineering and design specifics of the mounting structure, including certification from a Rhode Island professional engineer.
  7. Electrical and Layout Diagrams: One line electrical diagram and layout drawing, along with manufacturer specifications for all equipment.
  8. Site Plan: For ground-mounted systems, a detailed site plan is required.
  9. Certification Forms: For larger installations (15kW AC or more), additional certification forms are necessary.


Rhode Island’s efforts to standardize and streamline the solar permitting process are a significant boon for both residential and commercial solar projects. By understanding and following the statewide solar energy permit application requirements, applicants can ensure a smoother, more efficient journey from planning to installation. Whether you’re a homeowner looking to reduce your carbon footprint or a business aiming to cut energy costs, Rhode Island’s simplified solar permitting process makes it easier than ever to harness the power of the sun.

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