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It specifies adopted codes and local design criteria, required permits for residential and certain land-use situations, and the additional documents needed such as site plans, electrical diagrams, specifications, and licensed engineer letters. It also covers contractor licensing, submission routes, review timeline drivers, permit status checks, and permit expiration and extension conditions.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/solar-photovoltaic-pv-system-permitting-checklist-final/649586/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/solar-photovoltaic-pv-system-permitting-checklist-final/649586.png","ImageObject",300,407,{"name":92,"@type":93},"Taylor Morgan","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-28","2026-10-24",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the purpose of the pre-submittal checklist for a rooftop solar PV system?","Question",{"text":112,"@type":113},"The checklist provides transparent, well-defined minimum information and project plan details to reduce revisions, improve application quality, and speed up the permit application and review process.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What additional documents are required when submitting a permit application?",{"text":117,"@type":113},"The submission requires items such as a site plan, an electrical diagram/worksheets, specification sheets and installation manuals for manufactured components, and applicable licenses/certifications including an NH Licensed Structural Engineer letter for roof and mounting review.",{"name":119,"@type":110,"acceptedAnswer":120},"When does a permit expire, and can an extension be requested?",{"text":121,"@type":113},"A permit becomes invalid if authorized work is not commenced within one year, or if work is suspended/abandoned for one year. 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The intent of using the checklist is to provide transparent and well-defined information to minimize the number of required revisions, improve permit application quality, and accelerate the application and review process.  \nRelevant Codes and Design Criteria  \nThe City of Portsmouth has adopted the following codes: 2018 IBC  \n2018 IRC  \n2023 NFPA 70/NEC  \n2018 NFPA 1  \n2018 NFPA 101  \n2018 IFC  \nCity of Portsmouth Building Code: Chapter 12  \nThe following local design criteria should be used: Maximum wind speed: 130 MPH  \nSnow Load: 50 PSF  \nFrost Depth: 48”  \nMaximum assumable soil bearing capacity: See section 1806 of the 2018 IBC  \nMinimum assumable lateral earth pressure: See section 1610 of the 2018 IBC  \nFire Recommendations:  \nPortsmouth follows the NH State Fire Marshal’s Fire Safety Guidance for one-and two-family dwellings looking to install photovoltaic systems. Please refer to their 2020-01 Informational Bulletin for more information:  \n[https://www.nh.gov/safety/divisions/firesafety/bulletins/documents/IB2020-](https://www.nh.gov/safety/divisions/firesafety/bulletins/documents/IB2020-)  \n[01SolarInstallations.pdf](01SolarInstallations.pdf)  \nRequired Permits  \nA permit must be obtained prior to the start ofany work. Complete the following permit application form(s) and submit any additional required documents.  \nResidential* Solar PV System:  \n􀂅 Electrical permit  \n􀂅 Building permit  \n􀂅 Land use permit (only applicable if within Historic District**)  \n*Same steps applicable to commercial/non-residential properties  \n**If you are unsure whether or not your project falls into the Historic District, please look at the Zoning Layer on our online mapping service, MapGeo. Otherwise, please reach out to Izak Gilbo ([igilbo@cityofportsmouth.com](igilbo@cityofportsmouth.com) or (603) 610-7235) in the Planning and Sustainability Department for more information on the Historic District.  \nAdditional Required Documents  \n􀂅 Site Plan  \n• Site plan should show the location of major components on the property. The site plan drawing should show exact component locations on site and to scale.  \n• PV arrays and energy storage systems must be in compliance with IFC fire setback requirements  \n􀂅 Electrical Diagram  \n• Electrical diagram/worksheets should show PV and energy storage system configuration (including mounting type), wiring system, overcurrent protection, inverter, disconnects, required signs, and AC connection to the building.  \n􀂅 Specification sheets and installation manuals (if available)  \n• Provide spec sheets and manuals for all manufactured components including, but no limited to, PV modules, inverter(s), combiner box, disconnects, and mounting system.  \n􀂅 Applicable Licenses/Certifications  \n• NH Licensed Structural Engineer  \n􀂅 Letter from NH Licensed Structural Engineer for review of the existing roof system as well as the proposed mounting system.  \nContractor Requirements  \nAn electrician shall be licensed to perform electrical work in New Hampshire.  \nPermit Fees  \nComplete fee information can be found within specific department webpages (see links below):  \n•  Building & Electrical Permit Fees  \n•  Land Use Permit Fees (only if in Historic District)  \no (See Portsmouth City Ordinance Chapter 1, Article XVI) .  \nSubmit Permit Application  \nAll building, electrical and land use permit applications can be accessed through the City's online permitting system (OpenGov's Citizen Services--aka View Point) .  \nFor help starting an application, please visit the New User/FAQ page.  \nReview Process Timeline  \nThe City of Portsmouth is committed to providing a timely review of solar PV permit applications. Certain circumstances can prolong the permi","cbCaimA0wnShZk54","https://ap.wps.com/l/cbCaimA0wnShZk54","pdf",171046,"English","# Relevant Codes and Design Criteria\n## Required Permits\n## Additional Required Documents\n## Contractor Requirements\n## Permit Fees\n## Submit Permit Application\n## Review Process Timeline\n## Permit Status\n## Permit Expiration","[{\"question\":\"What is the purpose of the pre-submittal checklist for a rooftop solar PV system?\",\"answer\":\"The checklist provides transparent, well-defined minimum information and project plan details to reduce revisions, improve application quality, and speed up the permit application and review process.\"},{\"question\":\"What additional documents are required when submitting a permit application?\",\"answer\":\"The submission requires items such as a site plan, an electrical diagram/worksheets, specification sheets and installation manuals for manufactured components, and applicable licenses/certifications including an NH Licensed Structural Engineer letter for roof and mounting review.\"},{\"question\":\"When does a permit expire, and can an extension be requested?\",\"answer\":\"A permit becomes invalid if authorized work is not commenced within one year, or if work is suspended/abandoned for one year. The building official may grant one extension up to 12 months if requested in writing before expiration, with conditions related to compliance and documented inspections and minimum progress.\"}]","Solar Photovoltaic (PV) System Permitting Checklist - Final | PDF",1792802376]