64/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 308 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 308 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Solar Installers in El Cerrito Corona, CA (2026)
479 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in El Cerrito Corona: Solar Express Cleaning, CR Score 64/100; 5.0★ from 308 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Affordable Solar Cleaning Pros, posts 24/7 hours; ranked #2 of 479.
- 20
Most-reviewed: Guyou Roofing and Solar, 1,365 Google reviews at 4.9★, the most of 479 ranked; ranked #20.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
479 El Cerrito Corona solar installers are ranked here by CR Score, from ten published factors. 48 are open 24/7, 269 open Saturdays and 140 open Sundays, based on posted hours. The median Google rating is 4.9★ across 479 rated businesses.
Top 10 solar installers in El Cerrito Corona at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Solar Express Cleaning | 64 | 5.0★ (308) | Chino Hills, 13 mi away | 24/7 | Overall |
| 2 | Affordable Solar Cleaning Pros | 64 | 5.0★ (628) | Loma Linda, 23 mi away | 24/7 | Emergencies |
| 3 | EnergyAid | 63 | 4.8★ (534) | San Bernardino, 20 mi away | 24/7 | — |
| 4 | EnergyAid | 62 | 4.7★ (1,353) | Santa Ana, 20 mi away | 24/7 | — |
| 5 | Pacific Solar Care & Window Cleaning | 62 | 5.0★ (310) | Eastvale, 3 mi away | Sat | — |
| 6 | CL Window Shine - Pressure Washing, & Solar Installation | 60 | 4.9★ (322) | Anaheim, 8 mi away | 24/7 | — |
| 7 | SoCal Solar Panel Cleaning Company | 60 | 5.0★ (246) | La Verne, 23 mi away | Sat · Sun · Evenings | — |
| 8 | Sunrun Solar | 60 | 4.2★ (334) | Corona, 2 mi away | Sat · Sun | — |
| 9 | FlowState Solar Cleaning | 60 | 5.0★ (91) | Good Hope, 13 mi away | Sat · Sun · Evenings | — |
| 10 | Solar Panel Cleaning Windows | 59 | 5.0★ (41) | Lake Elsinore, 13 mi away | 24/7 | — |
The 479 best solar installers in El Cerrito Corona, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Loma Linda, 23 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 628 Google reviews, listed on Google as “Solar energy system service”.
- 5.0★ from 628 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1924 Hardt St, Loma Linda, CA 92354
#3 EnergyAid
Based in San Bernardino, 20 mi away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 534 Google reviews, listed on Google as “Solar energy system service”.
- 4.8★ from 534 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2211 S Hunts Ln ste p, San Bernardino, CA 92408
#4 EnergyAid
Based in Santa Ana, 20 mi away
62/100CR ScoreRanked #4 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
Based in Eastvale, 3 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Solar panel maintenance service”.
- 5.0★ from 310 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–12 PM · Sun closed
Based in Anaheim, 8 mi away
60/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 322 Google reviews.
- 4.9★ from 322 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in La Verne, 23 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 246 Google reviews
- Hours
- Mon–Fri 7 AM–9 PM · Sat 7 AM–8 PM · Sun 7 AM–5 PM
- Address
- 2552 Foothill Blvd APT 322, La Verne, CA 91750
#8 Sunrun Solar
Based in Corona, 2 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.2★ from 334 Google reviews, listed on Google as “Solar energy company”.
- 4.2★ from 334 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 1550 Magnolia Ave, Corona, CA 92879
Based in Good Hope, 13 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Solar panel maintenance service”.
- 5.0★ from 91 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
Based in Lake Elsinore, 13 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Solar panel maintenance service”.
- 5.0★ from 41 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15087 Ficus St, Lake Elsinore, CA 92530
#11 Sunlux
Based in Corona, 6 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 559 Google reviews, listed on Google as “Solar energy system service”.
- 4.7★ from 559 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
- Address
- 2410 Wardlow Rd # 103, Corona, CA 92878
Based in Riverside, 4 mi away
59/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 174 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 174 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 12155 Magnolia Ave Suite 7C, Riverside, CA 92503
#13 Sunrun Solar
Based in Irvine, 18 mi away
59/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.6★ from 231 Google reviews, listed on Google as “Solar energy company”.
- 4.6★ from 231 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 8 Whatney, Irvine, CA 92618
#14 Solar Sparkle
Based in Anaheim, 22 mi away
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 110 Google reviews
- Hours
- Mon–Sun 8 AM–10 PM
#15 Semper Solaris
Based in Santa Fe Springs, 32 mi away
59/100CR ScoreRanked #15 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
#16 Semper Solaris
Based in Santa Ana, 20 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 156 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 156 Google reviews
- Hours
- Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
- Address
- 1701 E Edinger Ave Suite H1, Santa Ana, CA 92705
Based in Jurupa Valley, 5 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Solar energy system service”.
- 5.0★ from 58 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–4 PM · Sun closed
Based in Irvine, 22 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 43 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2211 Michelson Dr Suite 900, Irvine, CA 92612
Based in Riverside, 6 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10000 Indiana Ave ste 2, Riverside, CA 92503
Based in Riverside, 6 mi away
58/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 1,365 Google reviews, the most in El Cerrito Corona.
- 4.9★ from 1,365 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 9880 Indiana Ave Suite 2, Riverside, CA 92503
Based in Ladera Ranch, 21 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Solar panel maintenance service”.
- 5.0★ from 73 Google reviews
- Hours
- Mon–Fri 7 AM–10 PM · Sat–Sun 9 AM–10 PM
- Address
- 27082 O'Neill Dr #235, Ladera Ranch, CA 92694
Based in Irvine, 22 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 99 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 99 Google reviews
- Hours
- Mon–Sun 8:30 AM–8 PM
- Address
- 17952 Sky Park Cir Suite D, Irvine, CA 92614
Based in Riverside, 5 mi away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 56 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 56 Google reviews
- Hours
- Mon–Wed 7:30 AM–6:30 PM · Thu 7:30 AM–7 PM · Fri 7:30 AM–6:30 PM · Sat 8 AM–7:30 PM · Sun closed
- Address
- 4193 Flat Rock Rd, Riverside, CA 92505
#24 Sunrun Solar
Based in Santa Fe Springs, 32 mi away
58/100CR ScoreRanked #24 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
Based in Foothill Ranch, 13 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 37 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat 10 AM–4 PM · Sun 10 AM–2 PM
- Address
- 333 Chaumont Cir, Foothill Ranch, CA 92610
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 479 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Harris Solar Panel Cleaning | 58 | 5.0★ (91) | 27 mi |
| 27 | SunSolar U.S. | 57 | 5.0★ (62) | 22 mi |
| 28 | Scripps Solar Panel Cleaning | 57 | 5.0★ (129) | 20 mi |
| 29 | BestSolarCleaning, LLC | 57 | 5.0★ (81) | 26 mi |
| 30 | OC Solar | 57 | 4.8★ (326) | 18 mi |
| 31 | SolarRepair | 57 | 5.0★ (43) | 6 mi |
| 32 | Energy Renovation Center | 57 | 3.7★ (43) | 4 mi |
| 33 | Small Energy Bill | 57 | 5.0★ (10) | 11 mi |
| 34 | Guru Solar Cleaning LLC | 57 | 5.0★ (132) | 36 mi |
| 35 | The Solar Panel Doctors | 57 | 5.0★ (52) | 3 mi |
| 36 | Mirror Image Solar Panel Cleaning of SoCal | 56 | 5.0★ (34) | 10 mi |
| 37 | Semper Solaris | 56 | 4.7★ (64) | 23 mi |
| 38 | Burgeson's Heating, A/C, Electrical, Solar & Plumbing | 56 | 4.8★ (1,032) | 24 mi |
| 39 | Solar Panel Cleaning near me Daylight Solar | 56 | 5.0★ (52) | 17 mi |
| 40 | SoCal Green Homes | 56 | 5.0★ (21) | 25 mi |
| 41 | Semper Solaris | 56 | 4.6★ (356) | 16 mi |
| 42 | Aikyum Solar | 56 | 4.9★ (59) | 28 mi |
| 43 | Bash Energy | 56 | 5.0★ (11) | 18 mi |
| 44 | BC Solar Solutions | 56 | 5.0★ (32) | 23 mi |
| 45 | Citadel Roofing & Solar | 56 | 4.6★ (9) | 3 mi |
| 46 | SolarGraham | 56 | 5.0★ (20) | 27 mi |
| 47 | ACOPOWER | 56 | 4.9★ (196) | 22 mi |
| 48 | Solar Service Professionals | 56 | 4.9★ (89) | 11 mi |
| 49 | Socal Solar Wash | 56 | 5.0★ (8) | 5 mi |
| 50 | Empower Home Services | 56 | 4.9★ (95) | 14 mi |
Also serving El Cerrito Corona
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.
| Business | Google rating | Distance |
|---|---|---|
| Back Bay Solar Energy | 1.0★ (2) | 19 mi |
| Better Power Project | 5.0★ (2) | 20 mi |
| Cardenas Solar | 5.0★ (2) | 5 mi |
| Dan’s Roofing Company Riverside | 5.0★ (2) | 10 mi |
| E Control Solutions | 5.0★ (2) | 16 mi |
| Evergreen Renewables | 1.0★ (2) | 18 mi |
| Forme Solar - Inland Empire | 5.0★ (2) | 17 mi |
| GoSolar | 3.0★ (2) | 17 mi |
| Raya Solar | 5.0★ (2) | 2 mi |
| Shorebreak Energy | 5.0★ (2) | 20 mi |
| Solar House Mission Viejo | 5.0★ (2) | 18 mi |
| Solar My Home Chino | 5.0★ (2) | 15 mi |
| Solar Vast | 1.0★ (2) | 18 mi |
| SolarCo Energy | 5.0★ (2) | 19 mi |
| SolarGreen DirectPanel Chino Co | 5.0★ (2) | 13 mi |
| SolarSun Panels Divine | 5.0★ (2) | 19 mi |
| Sunrun Solar and Tesla Powerwall | 3.0★ (2) | 10 mi |
| SunTech | 5.0★ (2) | 13 mi |
| Sunworks | 3.0★ (2) | 16 mi |
| ZenOut Construction Inc. | 2.0★ (2) | 14 mi |
How much do solar installers cost in El Cerrito Corona?
Typical prices in USD, adjusted for California with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $29,770 | $33,680 | $36,640 | 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) | October 2026 |
How we ranked El Cerrito Corona solar installers
We scored 479 El Cerrito Corona solar installers on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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.
| Factor | Weight | Computed from | In El Cerrito Corona data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Solar installers in El Cerrito Corona: frequently asked questions
Who is the best solar installer in El Cerrito Corona?
By CR Score, the highest-ranked solar installer in El Cerrito Corona, CA is Solar Express Cleaning with a CR Score of 64/100. It has 5.0★ from 308 Google reviews. It is open 24/7. Affordable Solar Cleaning Pros (#2) and EnergyAid (#3) follow. We ranked 479 solar installers on ten factors, last updated October 22, 2026.
How many solar installers are there in El Cerrito Corona?
ContractorsRanked ranks 479 solar installers serving El Cerrito Corona, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which solar installers in El Cerrito Corona are open 24/7?
48 ranked solar installers in El Cerrito Corona post 24/7 hours. The highest-ranked are Solar Express Cleaning (#1), Affordable Solar Cleaning Pros (#2) and EnergyAid (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in El Cerrito Corona work on weekends?
269 of 479 ranked solar installers post Saturday hours and 140 post Sunday hours. The highest-ranked open Saturdays are Solar Express Cleaning (#1), Affordable Solar Cleaning Pros (#2) and EnergyAid (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in El Cerrito Corona?
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 El Cerrito Corona solar installers have?
The median Google rating among 479 rated solar installers in El Cerrito Corona is 4.9★, with a median of 14 reviews. Guyou Roofing and Solar has the most, 1,365 reviews, and ranks #20. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do solar installers outside El Cerrito Corona count in this ranking?
Yes, if they are within 40 mi of the El Cerrito Corona 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 El Cerrito Corona
- October 2026: CR Scores recalculated for 479 solar installers serving El Cerrito Corona.
- October 2026: 5 duplicate listings merged.
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