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ContractorsRanked

Best Solar Installers in South Gate, CA (2026)

659 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in South Gate: Mr. Solar Clean, CR Score 93/100; 5.0★ from 369 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Smart Solar Panel Cleaning Los Angeles, posts 24/7 hours; ranked #2 of 659.

  3. 40

    Most-reviewed: Payless Water Heaters & Plumbing, Inc., 1,762 Google reviews at 4.8★, the most of 659 ranked; ranked #40.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

659 South Gate solar installers are ranked here by CR Score, from 8 published factors. 77 are open 24/7, 361 open Saturdays and 228 open Sundays, based on posted hours. The median Google rating is 4.9★ across 659 rated businesses.

Top 10 solar installers in South Gate at a glance

Top 10 solar installers in South Gate at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Mr. Solar Clean935.0★ (369)Carson, 8 mi away24/7Overall
2Smart Solar Panel Cleaning Los Angeles895.0★ (90)Redondo Beach, 10 mi away24/7Emergencies
3Semper Solaris884.7★ (515)Santa Fe Springs, 8 mi awaySat · Sun · Evenings—
4Sunrun Solar874.8★ (262)Santa Fe Springs, 9 mi awaySat · Sun—
5ProSolar California865.0★ (31)Culver City, 10 mi away24/7—
6EnergyAid864.7★ (1,353)Santa Ana, 26 mi away24/7—
7Guru Solar Cleaning LLC865.0★ (132)Long Beach, 13 mi awaySat · Sun—
8Solar panel maintenance, Solar diagnostic, solar repair and cleaning, bird proofing865.0★ (79)Burbank, 28 mi away24/7—
9Green Integrations and Management Inc.865.0★ (100)Los Angeles, 12 mi awaySat · Sun · Evenings—
10POWER PRO ELECTRIC & SOLAR864.9★ (148)Whittier, 9 mi away24/7—

The 659 best solar installers in South Gate, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in South Gate

    #1 Mr. Solar Clean

    Based in Carson, 8 mi away

    93/100CR Score

    Ranked #1 because of its Google rating and availability: 5.0★ from 369 Google reviews, open 24/7.

    • 5.0★ from 369 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1714 E Balard St, Carson, CA 90745
    View profile for Mr. Solar Clean(310) 427-1091

  3. #3 Semper Solaris

    Based in Santa Fe Springs, 8 mi away

    88/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.7★ from 515 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 515 Google reviews
    Hours
    Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
    Address
    10713 Norwalk Blvd, Santa Fe Springs, CA 90670
    View profile for Semper Solaris(213) 634-4313

  4. #4 Sunrun Solar

    Based in Santa Fe Springs, 9 mi away

    87/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 262 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 262 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    12830 Romandel Ave, Santa Fe Springs, CA 90670
    View profile for Sunrun Solar(833) 324-5886

  6. #6 EnergyAid

    Based in Santa Ana, 26 mi away

    86/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.7★ from 1,353 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 1,353 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1669 E Wilshire Ave STE 606, Santa Ana, CA 92705
    View profile for EnergyAid(877) 787-0607

  7. #7 Guru Solar Cleaning LLC

    Based in Long Beach, 13 mi away

    86/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Solar panel maintenance service”.

    • 5.0★ from 132 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun 8 AM–2 PM
    Address
    767 Euclid Ave, Long Beach, CA 90804
    View profile for Guru Solar Cleaning LLC(562) 225-0105

  13. #13 Sun Studios

    Based in Beverly Hills, 12 mi away

    85/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 77 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    8383 Wilshire Blvd, Beverly Hills, CA 90211
    View profile for Sun Studios(833) 765-2796

  14. #14 Powerfull Solar, Inc

    Based in Los Angeles, 10 mi away

    85/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 66 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    5316 Venice Blvd., Los Angeles, CA 90019
    View profile for Powerfull Solar, Inc(310) 304-4623

  15. #15 Solar with Roció

    Based in Downey, 5 mi away

    85/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 45 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    8050 Florence Ave, Downey, CA 90241
    View profile for Solar with Roció

  17. #17 BestSolarCleaning, LLC

    Based in Hacienda Heights, 16 mi away

    85/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Solar energy system service”.

    • 5.0★ from 81 Google reviews
    Hours
    Mon–Sat 7 AM–8 PM · Sun 7 AM–5 PM
    Address
    17009 Pepper Brook Way, Hacienda Heights, CA 91745
    View profile for BestSolarCleaning, LLC(626) 341-5597

  19. #19 Energy Time Solar

    Based in Los Angeles, 7 mi away

    84/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 45 Google reviews
    Hours
    Mon–Fri 7 AM–9 PM · Sat 9 AM–4 PM · Sun 10 AM–7 PM
    Address
    360 E 2nd St, Los Angeles, CA 90012
    View profile for Energy Time Solar(562) 391-5946

  24. #24 Haven Energy

    Based in Los Angeles, 16 mi away

    84/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.7★ from 158 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 158 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun 10 AM–2 PM
    Address
    12100 Wilshire Blvd, Los Angeles, CA 90025
    View profile for Haven Energy(310) 402-0881

Solar installers ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 659 ranked solar installers here; the rest are on their profiles.

solar installers in South Gate, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Atlas Inc.835.0★ (15)17 mi
27Big Wave Window834.8★ (357)14 mi
28CL Window Shine - Pressure Washing, & Solar Installation834.9★ (322)35 mi
29Clear Sky Solar Cleaning835.0★ (40)13 mi
30Aikyum Solar834.9★ (59)17 mi
31Innovative Electric Solar834.7★ (11)13 mi
32Solar Sparkle835.0★ (110)31 mi
33Sun4good835.0★ (8)12 mi
34Sunee Cleaning835.0★ (7)11 mi
35PV Sky USA835.0★ (7)12 mi
36So Cal Solar Shine LLC835.0★ (5)9 mi
37NetZero Energy & Roofing834.9★ (99)27 mi
38Semper Solaris824.7★ (156)26 mi
39Pacific Property Care, LLC.825.0★ (161)20 mi
40Payless Water Heaters & Plumbing, Inc.824.8★ (1,762)39 mi
41Veteran Solar Cleaning825.0★ (27)13 mi
42Solar Optimum Glendale824.7★ (348)15 mi
43Solar G825.0★ (128)14 mi
44N Clean Energy825.0★ (5)12 mi
45Real Pwr825.0★ (62)27 mi
46Max's Window Cleaning824.9★ (220)22 mi
47HomeLink Solar824.8★ (183)35 mi
48August Roofing & Solar824.9★ (250)40 mi
49DNP Solar Care Professionals LLC825.0★ (3)8 mi
50SunSolar U.S.825.0★ (62)28 mi

Also serving South Gate

20 more solar installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked solar installers serving South Gate
BusinessGoogle ratingDistance
Advance Renewable Energy Inc5.0★ (2)9 mi
Alacrity Energy5.0★ (2)9 mi
California Solar5.0★ (2)16 mi
California Solar Energy & Green Group5.0★ (2)6 mi
Calmonte Corporation5.0★ (2)12 mi
Chronicle Electric Inc.3.0★ (2)10 mi
Duncan Solar5.0★ (2)8 mi
Ecov Energy5.0★ (2)10 mi
Effective solar LLC1.0★ (2)12 mi
Glass Of The Sun Solar5.0★ (2)10 mi
RenuLogix5.0★ (2)14 mi
Resonance Solar Installation5.0★ (2)8 mi
solar cell5.0★ (2)12 mi
Solar Grande Construction, Inc.5.0★ (2)12 mi
Solar Plus4.5★ (2)13 mi
Solar Store California3.0★ (2)10 mi
Solariant, Inc.5.0★ (2)11 mi
SolarPanel RoofNSave Buena5.0★ (2)13 mi
SolarSun Customized Solutions5.0★ (2)12 mi
Top Of The Line Solar Panel Santa Monica5.0★ (2)16 mi

How much do solar installers cost in South Gate?

Typical prices in USD, adjusted for California with a published regional index. Each row names its basis and month.

How much do solar installers cost in South Gate?
JobLowTypicalHighBasisChecked
Solar panel installation$29,770$33,680$36,640Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report)October 2026

How we ranked South Gate solar installers

We scored 659 South Gate solar installers on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn South Gate data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Solar installers in South Gate: frequently asked questions

Who is the best solar installer in South Gate?

By CR Score, the highest-ranked solar installer in South Gate, CA is Mr. Solar Clean with a CR Score of 93/100. It has 5.0★ from 369 Google reviews. It is open 24/7. Smart Solar Panel Cleaning Los Angeles (#2) and Semper Solaris (#3) follow. We ranked 659 solar installers on 8 factors, last updated October 22, 2026.

How many solar installers are there in South Gate?

ContractorsRanked ranks 659 solar installers serving South Gate, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which solar installers in South Gate are open 24/7?

77 ranked solar installers in South Gate post 24/7 hours. The highest-ranked are Mr. Solar Clean (#1), Smart Solar Panel Cleaning Los Angeles (#2) and ProSolar California (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in South Gate work on weekends?

361 of 659 ranked solar installers post Saturday hours and 228 post Sunday hours. The highest-ranked open Saturdays are Mr. Solar Clean (#1), Smart Solar Panel Cleaning Los Angeles (#2) and Semper Solaris (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in South Gate?

Solar panel installation typically costs $29,770 to $36,640, with $33,680 typical (Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report)). The range is adjusted for California. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do South Gate solar installers have?

The median Google rating among 659 rated solar installers in South Gate is 4.9★, with a median of 15 reviews. Payless Water Heaters & Plumbing, Inc. has the most, 1,762 reviews, and ranks #40. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank solar installers?

Each solar installer gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do solar installers outside South Gate count in this ranking?

Yes, if they are within 40 mi of the South Gate city center, our service radius for solar installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for South Gate

  1. October 2026: CR Scores recalculated for 659 solar installers serving South Gate.
  2. October 2026: 7 duplicate listings merged.

More solar installers and South Gate pages

Other trades in South Gate