Top-Rated Solar Installers in Long Beach, CA
7 local companies ranked by 780 Google reviews. Free to compare, no sign-up.
Short answer: The top-rated solar installers in Long Beach are Solar Source (5.0★, 112 reviews), Mario Castillo Electric (4.9★, 543 reviews), High Voltage Electrical (5.0★, 51 reviews).
Solar installers in Long Beach, ranked
- 5.0 (112 Google reviews)2954 E 14th St, Long Beach, CA 90804
- 4.9 (543 Google reviews)444 W Ocean Blvd #800, Long Beach, CA 90802
- 5.0 (51 Google reviews)2091 N Bellflower Blvd, Long Beach, CA 90815
- Solar Wholesale GroupAlso installs batteries4.9 (36 Google reviews)5050 2nd St #41424, Long Beach, CA 90803
- So Cal Solar Shine LLCAlso installs batteries5.0 (11 Google reviews)4551 Montair Ave Apt C30, Long Beach, CA 90808
- Aum Energy GroupAlso installs batteries4.8 (16 Google reviews)100 Oceanfront Floor 12, Long Beach, CA 90802
- Innovative Electric SolarAlso installs batteries4.7 (11 Google reviews)315 Hermosa Ave, Long Beach, CA 90802
Together these 7 companies average 4.9★ across 780 reviews. Mario Castillo Electric has the most reviews (543).
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 Long Beach rebate sheet for your customers.
What a solar costs in Long Beach
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 Long Beach get?
Long Beach 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 Long Beach
Who is the best solar installer in Long Beach?
Based on Google reviews, the top-rated solar installers in Long Beach are Solar Source (5.0★, 112 reviews), Mario Castillo Electric (4.9★, 543 reviews), High Voltage Electrical (5.0★, 51 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 Long Beach ranked?
We list 7 solar companies in Long Beach, ranked by Google rating weighted by review count. Together they have 780 Google reviews and average 4.9 stars, collected September 2026. Mario Castillo Electric has the most reviews (543). No company pays to be listed or ranked.
How much does solar installation cost in Long Beach?
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 Long Beach?
We have no confirmed open solar rebate for Long Beach 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 Long Beach?
Long Beach 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 Long Beach. Many programs require approval or a registered contractor before work starts.
Planning more upgrades? See the top-rated heat pump installers, home battery installers in Long Beach.
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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