Deep guides for solar EPCs, installers, developers and roofing companies operating in the US market: NEC codes, rapid shutdown, solar permits, ITC and SRECs, battery storage (NFPA 855), design software (Helioscope, Aurora, PVWatts), state guides, and city-specific deep dives across major US metros. Written by engineers who design permit plan sets every day.
Building vs electrical permit, AHJ workflow, application contents, timelines, costs, rejection reasons.
Read the guide →NEC 690.12 through code editions, array boundary, UL PVRSS listing, MLPE and string-level shutdown.
Read the guide →EPC vs developer vs installer, types of solar EPCs, services, compensation, outsourced engineering fit.
Read the guide →Eversource, National Grid, Unitil and MLPs, SMART program, PE stamping, snow load design, key AHJs.
Read the guide →ERCOT deregulated market, Oncor CenterPoint AEP TNMP, Austin Energy and CPS Energy, hail and heat design.
Read the guide →APS vs SRP vs TEP interconnection, Phoenix metro utility split, extreme heat design, key AZ AHJs.
Read the guide →30% base credit, energy community and domestic content adders, direct pay, transferability, storage ITC.
Read the guide →State programs (NY, MA, IL, MN, CO, NJ, VA, MD, DC), sizing, interconnection design, subscribers.
Read the guide →NFPA 855, NEC 706, UL 9540, AC vs DC coupled architecture, backup power, ESS structural.
Read the guide →DC, Maryland, Illinois, Pennsylvania, legacy MA and NJ. PJM-EIS GATS trading, long-term contracts.
Read the guide →Three main US solar design tools compared: PVWatts (free), Helioscope (commercial), Aurora (residential).
Read the guide →Xcel Energy, Solar Rewards and Solar Rewards Community programs, snow load design.
Read the guide →PG&E, Silicon Valley Power, Palo Alto Utilities, California Title 24, wildfire fire code.
Read the guide →Dallas and Fort Worth permits, Oncor interconnection, ERCOT and Texas REP market, hail design.
Read the guide →City of Austin Development Services, Austin Energy municipal utility, Value of Solar tariff.
Read the guide →City of Chicago Department of Buildings, ComEd interconnection, Illinois Shines program.
Read the guide →DC Department of Buildings, Pepco interconnection, high-value DC SREC market, historic preservation.
Read the guide →Metro Nashville Codes, NES municipal utility, TVA wholesale power structure.
Read the guide →LADBS permit process, LADWP municipal utility, SCE for LA metro, California Title 24 mandate.
Read the guide →SF DBI permit process, PG&E interconnection under NEM 3.0, Better Roofs Ordinance.
Read the guide →City of Phoenix Development Services, APS vs SRP interconnection, extreme heat design.
Read the guide →High Velocity Hurricane Zone, Miami-Dade NOA product approvals, FPL interconnection.
Read the guide →Houston Public Works, CenterPoint Energy interconnection, ERCOT and deregulated Texas REP market.
Read the guide →San Diego Development Services, SDG&E interconnection under NEM 3.0, Title 24 mandate.
Read the guide →DOB NOW: Build, PE/RA stamping, LPC, FDNY battery storage, Con Edison network protector zones.
Read the guide →Nassau and Suffolk counties: PSEG-LI, NYS Unified Solar Permit, high wind load design.
Read the guide →Boston ISD permit process, MA codes, SMART incentive program, Eversource interconnection.
Read the guide →L&I eCLIPSE portal, PECO Energy interconnection, row-house structural design.
Read the guide →City of Newark, PSE&G interconnection, commercial and industrial rooftop focus, SuSI program.
Read the guide →CommunityConnect portal, PSE&G interconnection, multi-family rooftop design.
Read the guide →Statewide: NYC DOB, NYS USP, ConEd, PSEG-LI, National Grid, NYSEG, RG&E, VDER, NY-Sun.
Read the guide →PSE&G, JCP&L, Atlantic City Electric, Rockland Electric, NJ AHJs, SuSI incentive program.
Read the guide →PECO, PPL, Duquesne Light, FirstEnergy PA subsidiaries, Philadelphia eCLIPSE, SREC market.
Read the guide →Section 690.4(G) rounding, rapid shutdown updates, ESS integration, state adoption status.
Read the guide →All 9 code families: NEC, NFPA 855, IEEE 1547, UL 1741-SB, ASCE 7-22, IBC, IRC, IFC.
Read the guide →When PE stamps are required, structural vs electrical, multi-state licensure, PE-of-record workflow.
Read the guide →Engineering support: AHJ-ready plan sets, PE-stamped permit designs, Helioscope and Aurora Solar modeling, single-line diagrams, structural analysis, MEP design, and interconnection design.
Back-office support (financial and non-financial): interconnection application filing, permit submission and follow-up, AHJ correspondence, incentive program registration (SREC, ITC, state programs), bill of materials and takeoffs, project coordination, invoicing and AP/AR support, documentation packages, records management, and data entry across your CRM, project management, and financial systems.
A dedicated team that becomes an extension of yours, so your senior engineers and owners stay focused on higher-value work.
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