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ContractorsRanked

Best Solar Installers in Lakeside, CA (2026)

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

The short answer

  1. 1

    Best overall in Lakeside: OnPoint Solar Panel Cleaning San Diego, CR Score 91/100; 5.0★ from 309 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Advanced Solar Cleaning, posts 24/7 hours; ranked #2 of 279.

  3. 3

    Most-reviewed: Mauzy Cooling, Heating, Plumbing, and Electrical, 4,710 Google reviews at 4.8★, the most of 279 ranked; ranked #3.

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

279 Lakeside solar installers are ranked here by CR Score, from 8 published factors. 36 are open 24/7, 163 open Saturdays and 84 open Sundays, based on posted hours. The median Google rating is 5.0★ across 279 rated businesses.

Top 10 solar installers in Lakeside at a glance

Top 10 solar installers in Lakeside at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1OnPoint Solar Panel Cleaning San Diego915.0★ (309)La Mesa, 10 mi away24/7Overall
2Advanced Solar Cleaning895.0★ (36)Lakeside24/7Emergencies
3Mauzy Cooling, Heating, Plumbing, and Electrical884.8★ (4,710)El Cajon, 4 mi away24/7Most reviews
4Action Solar884.9★ (143)San Diego, 15 mi away24/7—
5Saturn Solar Cleaning885.0★ (129)Chula Vista, 19 mi away24/7—
6Sunny Sudz Solar Panel Cleaning875.0★ (32)Casa de Oro-Mount Helix, 5 mi away24/7—
7Semper Solaris874.8★ (1,454)San Diego, 17 mi awaySat · Sun · Evenings—
8West Coast Heating Air Solar874.9★ (1,836)El Cajon, 5 mi awaySat · Sun · Evenings—
9OnPoint Solar Panel Cleaning Chula Vista865.0★ (49)Chula Vista, 17 mi away24/7—
10South Bay Cleaning LLC865.0★ (50)Chula Vista, 19 mi away24/7—

The 279 best solar installers in Lakeside, 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.

  4. #4 Action Solar

    Based in San Diego, 15 mi away

    88/100CR Score

    Ranked #4 because of its Google rating and availability: 4.9★ from 143 Google reviews, open 24/7.

    • 4.9★ from 143 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6339 Nancy Ridge Dr #101, San Diego, CA 92121
    View profile for Action Solar(858) 266-9227

  7. #7 Semper Solaris

    Based in San Diego, 17 mi away

    87/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.8★ from 1,454 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 1,454 Google reviews
    Hours
    Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
    Address
    964 Fifth Ave #510, San Diego, CA 92101
    View profile for Semper Solaris(619) 432-4211

  13. #13 Semper Solaris

    Based in El Cajon, 4 mi away

    85/100CR Score

    Ranked #13 because of its Google rating and review volume: 4.8★ from 1,190 Google reviews, 1,190 Google reviews.

    • 4.8★ from 1,190 Google reviews
    Hours
    Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
    Address
    1805 John Towers Ave, El Cajon, CA 92020
    View profile for Semper Solaris(619) 357-4142

  15. #15 Baker Home Energy

    Based in Escondido, 21 mi away

    84/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 2,727 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 2,727 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat 8 AM–4 PM · Sun closed
    Address
    2060 Wineridge Pl, Escondido, CA 92029
    View profile for Baker Home Energy(877) 409-0341

  21. #21 Powur, PBC

    Based in Carlsbad, 28 mi away

    83/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.7★ from 443 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 443 Google reviews
    Hours
    Mon–Fri 6 AM–7 PM · Sat–Sun 7 AM–4 PM
    Address
    5850 El Camino Real, Carlsbad, CA 92008
    View profile for Powur, PBC(866) 467-6987

  23. #23 EnergyAid

    Based in San Diego, 11 mi away

    83/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.8★ from 469 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 469 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–3 PM · Sun closed
    Address
    4599 Mission Gorge Pl STE A, San Diego, CA 92120
    View profile for EnergyAid(877) 787-0607

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 279 ranked solar installers here; the rest are on their profiles.

solar installers in Lakeside, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26San Diego Solar Surfers834.7★ (39)10 mi
27Cyberdyne Solar Company San Diego824.7★ (47)12 mi
28Solar Shine San Diego825.0★ (42)20 mi
29Dana Logsdon Roofing & Solar824.9★ (780)4 mi
30Daynight Power Inc825.0★ (23)14 mi
31Johnson Solar - San Diego County's Best Veteran Owned Solar Installation Company824.9★ (129)8 mi
32Air Flex - HVAC & Solar825.0★ (12)4 mi
33Soltech Electric825.0★ (137)18 mi
34Solid Electrical Services824.9★ (47)3 mi
35Total Plumbing, Air & Electric | Residential and Commercial Plumbing824.9★ (85)9 mi
36Eminent Energy825.0★ (219)24 mi
37Restored Solar, Window & Pressure Washing815.0★ (39)24 mi
38RV and Marine Solar815.0★ (21)16 mi
39SolarHub815.0★ (37)24 mi
40BVI Solar814.7★ (26)12 mi
41Sunspired Solar815.0★ (19)15 mi
42Solar Fuze815.0★ (18)13 mi
431UP Solar814.8★ (26)17 mi
44Top Tier Exterior Service815.0★ (47)9 mi
45Ascension Home Services814.9★ (586)13 mi
46The Solar Cleaners815.0★ (68)14 mi
47Build Brothers Inc.814.9★ (615)14 mi
48Solar Negotiators814.8★ (259)21 mi
49SolarTech814.7★ (888)3 mi
50Clayco Electric Inc. Solar Specialist804.9★ (47)10 mi

Also serving Lakeside

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 Lakeside
BusinessGoogle ratingDistance
48Solar & Roofing5.0★ (2)11 mi
Beck Built Solar, Inc.5.0★ (1)In Lakeside
BrightSun Solar-Panels Poway5.0★ (2)9 mi
California Energy Connection, Inc.3.0★ (2)5 mi
Christian Solar5.0★ (2)3 mi
CIT Solar5.0★ (2)12 mi
Flex Solar5.0★ (2)12 mi
GoSolar Homegrid San Diego5.0★ (2)12 mi
Higher Power Solar5.0★ (2)3 mi
KR Wolfe Inc1.0★ (2)In Lakeside
Makello3.0★ (2)12 mi
McWire Electric, Inc.1.0★ (2)3 mi
Precision Electric Company4.8★ (8)In Lakeside
ShineBros Window & Solar Cleaning5.0★ (2)11 mi
Solar America1.0★ (2)11 mi
Suntech Solar Panel Cleaning San Diego5.0★ (2)12 mi
Sunterra Solar Inc5.0★ (2)12 mi
T&R Window N Solar Cleaners5.0★ (2)11 mi
Unique Solar5.0★ (2)12 mi
Wave Electric EnergyIn Lakeside

How much do solar installers cost in Lakeside?

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 Lakeside?
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 Lakeside solar installers

We scored 279 Lakeside 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 Lakeside 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 Lakeside: frequently asked questions

Who is the best solar installer in Lakeside?

By CR Score, the highest-ranked solar installer in Lakeside, CA is OnPoint Solar Panel Cleaning San Diego with a CR Score of 91/100. It has 5.0★ from 309 Google reviews. It is open 24/7. Advanced Solar Cleaning (#2) and Mauzy Cooling, Heating, Plumbing, and Electrical (#3) follow. We ranked 279 solar installers on 8 factors, last updated October 22, 2026.

How many solar installers are there in Lakeside?

ContractorsRanked ranks 279 solar installers serving Lakeside, CA. 1 of them is based in Lakeside; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which solar installers in Lakeside are open 24/7?

36 ranked solar installers in Lakeside post 24/7 hours. The highest-ranked are OnPoint Solar Panel Cleaning San Diego (#1), Advanced Solar Cleaning (#2) and Mauzy Cooling, Heating, Plumbing, and Electrical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Lakeside work on weekends?

163 of 279 ranked solar installers post Saturday hours and 84 post Sunday hours. The highest-ranked open Saturdays are OnPoint Solar Panel Cleaning San Diego (#1), Advanced Solar Cleaning (#2) and Mauzy Cooling, Heating, Plumbing, and Electrical (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Lakeside?

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 Lakeside solar installers have?

The median Google rating among 279 rated solar installers in Lakeside is 5.0★, with a median of 21 reviews. Mauzy Cooling, Heating, Plumbing, and Electrical has the most, 4,710 reviews, and ranks #3. 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 Lakeside count in this ranking?

Yes, if they are within 40 mi of the Lakeside 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 Lakeside

  1. October 2026: CR Scores recalculated for 279 solar installers serving Lakeside.
  2. October 2026: 2 duplicate listings merged.

More solar installers and Lakeside pages

Other trades in Lakeside