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California

Solar Installers Across California

High electricity rates and long sunshine hours make California one of the strongest cases for rooftop solar anywhere in the country. We have crews and a depot in the state, so a survey is a short drive rather than a scheduling problem.

  • Local crews, not travelling contractors
  • State permits handled for you
  • Free survey anywhere in the state
  • 5.2 kWh Average daily sun per m²
  • Above average State electricity rates
  • 4,100+ Systems installed in-state
  • 2–3 weeks Survey to switch-on

Figures are indicative for the state as a whole. Your survey report gives numbers specific to your roof and your last twelve months of bills.

Why Here

What Makes California Work

Three things decide whether solar pays back quickly in a given state: how much sun a roof actually receives, what you currently pay per kilowatt hour, and what support is available locally. California scores well on all three, which is why it remains our busiest region.

Sunshine is only half the story

Plenty of states get good irradiance. What makes the difference here is the price of grid electricity — the higher your current rate, the more every self-generated kilowatt hour is worth. That is what shortens payback, not sunshine alone.

Local rules matter more than people expect

Permitting, interconnection and inspection requirements vary between counties, and a system designed without knowing them can fail at inspection. Our engineers work in this state week in, week out, so the paperwork is routine rather than a research project.

Shade, roofs and reality

Mature trees, north-facing pitches and older tile roofs all affect what is worth installing. We would rather tell you at survey stage that a smaller array makes more sense — or that your roof needs work first — than quote for something that underperforms.

Coverage

Where We Work in California

Our main service regions have dedicated crews. Everywhere else in the state is covered from the nearest of them.

  • Greater Los Angeles

    Los Angeles · Long Beach · Glendale · Santa Clarita · Pasadena

  • San Diego County

    San Diego · Chula Vista · Oceanside · Escondido · Carlsbad

  • Bay Area

    San Francisco · Oakland · San Jose · Fremont · Berkeley

  • Central Valley

    Sacramento · Fresno · Stockton · Modesto · Bakersfield

Also covered

  • Orange County
  • Riverside
  • San Bernardino
  • Ventura
  • Santa Barbara
  • Sonoma
  • Monterey
  • Placer
  • Solano
  • Santa Cruz

Not listed? Ask anyway — we take on selected projects in neighbouring counties.

Services

Available in This Region

  • 5.0

    Solar Panel Installation

    Solar panel installation converts available sunlight into usable electricity through a properly sized photovoltaic system, matched to roof condition, shading, tilt angle, and electrical capacity.

  • 5.0

    Solar Panel Cleaning

    Solar panel cleaning removes dirt and surface contamination that can interfere with sunlight reaching photovoltaic cells, using solar-safe equipment rather than abrasive materials.

  • 5.0

    Solar Panel Cleaning Near Me

    Professional solar panel cleaning typically costs $10 to $20 per panel, or approximately $300 to $630 flat-rate, with a medium 20-panel residential system around $300 to $500.

Reviews

What Customers Here Say

Most of our work in this state comes from referrals.

  • Sanji Nakama CEO Graph Inter
    "I love how Powersun blends cutting-edge technology with eco-friendly solutions. Perfect for modern sustainable designs!"
  • Rinaka Serly Consultant Bordur
    "I love how Powersun blends cutting-edge technology with eco-friendly solutions. Perfect for modern sustainable designs!"

Local Questions

Solar in California

Permits, utilities and incentives all vary by state. These are the questions we get asked here.

View All Faq
How far will you travel for a survey?

Anywhere in the state. The regions listed above have their own crews; everywhere else is covered from the nearest one, which occasionally adds a few days to the booking rather than a cost.

Who handles the permits and inspection?

We do. Requirements differ between counties here, so we file the paperwork, book the inspection and deal with any queries. You do not need to speak to the permitting office.

What about incentives and rebates?

Federal, state and utility-level support all change from time to time, so we will tell you what applies to your property at survey rather than quoting a figure here that may be out of date by the time you read it.

Is my roof type a problem?

Tile, composite and flat roofs are all common here and all workable, though the mounting hardware differs. The survey checks structure and condition before anything is quoted.

Do you install battery storage in this state?

Yes, and it is worth considering here given evening peak rates and the possibility of outages. It is quoted separately from the array so you can decide either way.

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