600+ permit-ready PV systems across 50+ US jurisdictions

Real engagement, published with the client’s permission.

Solar design portfolio capabilities page: 600+ PV systems, three system classes, 50+ US jurisdictions

Fig. 01 — Capability, by the numbers.

  • 600+ PV systems designed
  • 50+ US jurisdictions (AHJ)
  • 179 kWp Largest commercial system

Overview

Outsourced photovoltaic engineering for installers, EPCs and homeowners — residential rooftop, commercial and C&I, ground-mount and building-integrated Solar Roof. From the first shade study to a stamped, code-compliant plan set the crew can install from, engineered to the applicable NEC, IFC, IBC and IRC codes and to the local authority having jurisdiction.

The problem

Installers lose their margin in the design queue. A plan set that misreads the authority having jurisdiction, or specifies racking that does not suit the roof structure, comes back from permitting and takes the crew’s schedule with it. The design has to be right for the code, the platform and the roof at the same time.

What we did

  1. Start from the site, the utility and the load rather than from a module count — the system is scoped before a panel is placed.
  2. Model shade and production in Aurora, HelioScope, PVsyst and PVWatts, so the production estimate survives being checked.
  3. Design to how each platform actually installs: Enphase, SolarEdge, Sol-Ark, Generac and Tesla are certified, not guessed at.
  4. Match racking to the structure — IronRidge, K2, Unirac and Schletter rail, S-5! for standing seam, SolarStack ballasted where penetrations are unwelcome.
  5. Issue the full sheet set: cover, site, roof, electrical, attachment, three-line, design tables, conductor schedules, placards and BOQ.

Delivered

  • Shade and production analysis
  • PV sizing and string design
  • AC/DC electrical and single-line diagrams
  • Structural attachment and racking layouts
  • Permit-ready stamped plan sets
  • BOQs and production reports

Outcome

Six hundred-plus systems delivered across residential, commercial and ground-mount, in more than fifty authorities having jurisdiction.

Specification

Practices: ESG, Solar & Energy
Industries: Energy & Renewables, Engineering, Real Estate

Inside the build

Electrical plan for a 179 kWp commercial rooftop

Fig. 02 — Electrical plan — 179 kWp commercial, two arrays, 304 modules.

Three-line diagram with inverters, storage and utility interconnection

Fig. 03 — Three-line diagram — inverters, storage, disconnects, interconnection.

Attachment assembly cross-sections on a TPO roof

Fig. 04 — Assembly details — attachment cross-sections.

Manufacturer certifications and platforms

Fig. 05 — Manufacturer certifications and platforms.

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600+ permit-ready PV systems across 50+ US jurisdictions