Top-Rated Solar Installers in Fremont, CA
6 local companies ranked by 1,423 Google reviews. Free to compare, no sign-up.
Short answer: The top-rated solar installers in Fremont are Adept Electrical Solutions (5.0★, 96 reviews), Besty Solar Inc. (5.0★, 72 reviews), EnergyAid (4.8★, 883 reviews).
Solar installers in Fremont, ranked
- 5.0 (96 Google reviews)917 Bermuda Ct, Fremont, CA 94539
- Besty Solar Inc.Also installs batteries5.0 (72 Google reviews)2140 Peralta Blvd, Fremont, CA 94536
- 4.8 (883 Google reviews)3300 Seldon Ct #11, Fremont, CA 94539
- 4.9 (47 Google reviews)3319 Seldon Ct, Fremont, CA 94539
- Simply SolarAlso installs batteries4.4 (20 Google reviews)4021 Clipper Ct, Fremont, CA 94538
- Enphase Energy, Inc.Also installs batteries4.1 (305 Google reviews)47281 Bayside Pkwy, Fremont, CA 94538
Together these 6 companies average 4.7★ across 1,423 reviews. EnergyAid has the most reviews (883).
Ranked by Google rating weighted by review count, collected September 2026. Rankings are not paid for. How we rank and how we make money.
Listed here? Get your top-rated badge for your website or print the Fremont rebate sheet for your customers.
What a solar costs in Fremont
For a 7 kW home system ($3.20 to $5.50 per watt, the middle 60% of US home systems in 2023). Your home may cost more or less.
Financing or future programs may still help. Check the rebate page before you sign.
Price source: Lawrence Berkeley National Lab, Tracking the Sun. Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.
Talk to a home energy auditor first. Some utility programs want an audit before any work starts. See the home energy auditors we list.
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How much sun does Fremont get?
Fremont averages about 5.2 peak sun hours a day, more than 87% of the 123 cities we track. As a rough guide, each kilowatt of panels here makes about 1,530 kWh a year (after typical system losses). A good installer will give you a roof-specific estimate that accounts for shading and roof angle.
Source: Open-Meteo historical solar radiation, 2020-2024. Production estimate assumes 80% system efficiency.
Before you hire a solar installer
- Ask for a production estimate for your roof (kWh per year) and how shading was measured.
- Ask which panels and inverter they use, and who backs the warranty if the company closes.
- Ask how your utility credits extra power you send to the grid, and whether a battery makes sense for you.
Questions about solar installers in Fremont
Who is the best solar installer in Fremont?
Based on Google reviews, the top-rated solar installers in Fremont are Adept Electrical Solutions (5.0★, 96 reviews), Besty Solar Inc. (5.0★, 72 reviews), EnergyAid (4.8★, 883 reviews). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.
How are the solar installers in Fremont ranked?
We list 6 solar companies in Fremont, ranked by Google rating weighted by review count. Together they have 1,423 Google reviews and average 4.7 stars, collected September 2026. EnergyAid has the most reviews (883). No company pays to be listed or ranked.
How much does solar installation cost in Fremont?
For a 7 kW home system ($3.20 to $5.50 per watt, the middle 60% of US home systems in 2023), the installed price is typically about $22,400 to $38,500, according to Lawrence Berkeley National Lab, Tracking the Sun. Your home may cost more or less, so get at least two quotes for the same work.
Are there rebates for solar panels in Fremont?
We have no confirmed open solar rebate for Fremont right now. Financing or future programs may still help, so check the rebate page before you sign.
How much power do solar panels make in Fremont?
Fremont averages about 5.2 peak sun hours a day, more than 87% of the 123 cities we track. As a rough guide, each kilowatt of panels here makes about 1,530 kWh a year (after typical system losses). A good installer will give you a roof-specific estimate that accounts for shading and roof angle.
What should I ask a solar installer before I hire?
Ask for a production estimate for your roof (kWh per year) and how shading was measured. Ask which panels and inverter they use, and who backs the warranty if the company closes. Ask how your utility credits extra power you send to the grid, and whether a battery makes sense for you.
Before you call anyone, check what solar rebates you can get in Fremont. Many programs require approval or a registered contractor before work starts.
Planning more upgrades? See the top-rated heat pump installers, insulation installers, home battery installers in Fremont.
How to read these results
- Open the profile.How a installer describes its own work tells you a lot. Look for jobs like yours.
- Read the Google reviews.Stars and counts come from Google Maps. Click through and read what past customers wrote, good and bad.
- Check for program badges.A green registered-contractor badge means the company is on the program's own list, which some rebates require.
- Compare three.Do not stop at the first good installer. Three quotes show you the real range in price, equipment and plan.
Not ready to talk to a contractor yet?
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