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Tesla Solar Roof — Building-Integrated PV

Where the tiles are the roof: 699 tiles, six Powerwalls, permit-ready

Real engagement, published with the client's permission.

Tesla Solar Roof — Building-Integrated PV — The roof is the array
Fig. 01 — The roof is the array
699
Solar tiles designed
6
Powerwall 3 units integrated

Overview

Building-integrated photovoltaic design, where solar tiles replace conventional roofing rather than mounting on top of it. The most demanding format in residential solar: hundreds of 72 W tiles instead of dozens of panels, multi-plane and multi-azimuth geometry, Tesla MCI mid-circuit interrupters for rapid shutdown, and Powerwall 3 integrated inverters — engineered as one system.

The problem

A Solar Roof is not a panel array with a different finish. Hundreds of individual 72 W tiles cross every plane of a complex roof, there is no racking to flash and no array to walk around, and rapid shutdown has to be solved with mid-circuit interrupters rather than module-level electronics. Get the stringing or the MCI placement wrong and the roof comes apart to fix it.

What we did

  1. 01Lay out tiles and design strings across every roof plane and azimuth, grouped to the Powerwall that will carry them.
  2. 02Place Tesla MCI mid-circuit interrupters to the PVRSS requirement and NEC 690.12.
  3. 03Integrate Powerwall 3 and Gateway 3 electrically — whole-home or partial backup, with the utility interconnection drawn.
  4. 04Detail the tile attachment and Cobalt underlayment against the actual rafter span, so the roofer and the electrician read the same set.

Delivered

  • Tile layout and string design
  • Powerwall and Gateway electrical integration
  • MCI placement per Tesla PVRSS / NEC 690.12
  • Cover, site, roof, electrical and line diagrams
  • Design tables, placards and permit-ready sets

Specification

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

Inside the build

  • Tesla Solar Roof — Building-Integrated PV — Tile stringing across every roof plane, grouped by Powerwall
    Fig. 02 — Tile stringing across every roof plane, grouped by Powerwall
  • Tesla Solar Roof — Building-Integrated PV — Line diagram — four Powerwalls, dual gateways
    Fig. 03 — Line diagram — four Powerwalls, dual gateways
  • Tesla Solar Roof — Building-Integrated PV — Powerwall mounting and structural detail
    Fig. 04 — Powerwall mounting and structural detail

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