517 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Fountain Valley: EnergyAid, CR Score 64/100; 4.7★ from 1,353 Google reviews; open 24/7.
Best for emergencies (open 24/7): Mr. Solar Clean, posts 24/7 hours; ranked #2 of 517.
Most-reviewed: Sunlux, 559 Google reviews at 4.7★, the most of 517 ranked after EnergyAid; ranked #40.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
517 Fountain Valley solar installers are ranked here by CR Score, from ten published factors. 65 are open 24/7, 298 open Saturdays and 178 open Sundays, based on posted hours. The median Google rating is 5.0★ across 517 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EnergyAid | 64 | 4.7★ (1,353) | Santa Ana, 7 mi away | 24/7 | Overall |
| 2 | Mr. Solar Clean | 63 | 5.0★ (369) | Carson, 19 mi away | 24/7 | Emergencies |
| 3 | Solar Sparkle | 61 | 5.0★ (110) | Anaheim, 8 mi away | Sat · Sun · Evenings | — |
| 4 | Semper Solaris | 61 | 4.7★ (515) | Santa Fe Springs, 17 mi away | Sat · Sun · Evenings | — |
| 5 | Good Energy Network | 60 | 5.0★ (43) | Irvine, 6 mi away | 24/7 | — |
| 6 | NetZero Energy & Roofing | 60 | 4.9★ (99) | Irvine, 6 mi away | Sat · Sun · Evenings | — |
| 7 | Solar Express Cleaning | 60 | 5.0★ (308) | Chino Hills, 33 mi away | 24/7 | — |
| 8 | Guru Solar Cleaning LLC | 60 | 5.0★ (132) | Long Beach, 12 mi away | Sat · Sun | — |
| 9 | Semper Solaris | 60 | 4.7★ (156) | Santa Ana, 6 mi away | Sat · Sun · Evenings | — |
| 10 | Sunrun Solar | 60 | 4.8★ (262) | Santa Fe Springs, 17 mi away | Sat · Sun | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.7★ from 1,353 Google reviews, listed on Google as “Solar energy company”.
Based in Carson, 19 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 369 Google reviews, listed on Google as “Solar energy company”.
Based in Anaheim, 8 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Solar energy company”.
Based in Santa Fe Springs, 17 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 515 Google reviews, listed on Google as “Solar energy company”.
Based in Irvine, 6 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Solar energy company”.
Based in Irvine, 6 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 99 Google reviews, listed on Google as “Solar energy company”.
Based in Chino Hills, 33 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 308 Google reviews, listed on Google as “Solar energy company”.
Based in Long Beach, 12 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Santa Ana, 6 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 156 Google reviews, listed on Google as “Solar energy company”.
Based in Santa Fe Springs, 17 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 262 Google reviews, listed on Google as “Solar energy company”.
Based in Irvine, 6 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based in Westminster, 5 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Solar energy company”.
Based in Irvine, 14 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 231 Google reviews, listed on Google as “Solar energy company”.
Based in Redondo Beach, 26 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “Solar energy company”.
Based in La Verne, 30 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “Solar energy company”.
Based in Eastvale, 24 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Anaheim, 19 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 322 Google reviews.
Based in Hacienda Heights, 20 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Solar energy system service”.
Based in Alhambra, 10 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Irvine, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 326 Google reviews, listed on Google as “Solar energy company”.
Based in Irvine, 7 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Solar energy system service”.
Based in Ladera Ranch, 21 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Huntington Beach, 3 mi away
Ranked #23 because of its Google rating and review volume: 5.0★ from 161 Google reviews.
Based in Echo Park, 10 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Irvine, 7 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Solar energy company”.
#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 517 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | King David's Solar Panel Cleaning | 57 | 4.9★ (56) | 19 mi |
| 27 | Solar with Roció | 57 | 5.0★ (45) | 20 mi |
| 28 | Elevation | 57 | 4.4★ (139) | 6 mi |
| 29 | POWER PRO ELECTRIC & SOLAR | 57 | 4.9★ (148) | 20 mi |
| 30 | SYNRG Solar - Home Energy Solutions | 57 | 5.0★ (37) | 18 mi |
| 31 | Bash Energy | 57 | 5.0★ (11) | 13 mi |
| 32 | Clear Solar, LLC | 57 | 4.9★ (28) | 6 mi |
| 33 | Green Integrations and Management Inc. | 57 | 5.0★ (100) | 33 mi |
| 34 | Awatt Of Solar | 57 | 5.0★ (10) | In Fountain Valley |
| 35 | Optima Energy Inc. | 56 | 4.6★ (14) | 14 mi |
| 36 | Solar Source | 56 | 5.0★ (111) | 13 mi |
| 37 | Solar Tuneup | 56 | 5.0★ (98) | 10 mi |
| 38 | Innovative Electric Solar | 56 | 4.7★ (11) | 13 mi |
| 39 | Evergreen Solar & Construction | 56 | 5.0★ (12) | 6 mi |
| 40 | Sunlux | 56 | 4.7★ (559) | 23 mi |
| 41 | Solar Panel Cleaning Windows | 56 | 5.0★ (41) | 32 mi |
| 42 | NFG Solar Panel Cleaning Company LLC | 56 | 5.0★ (19) | 13 mi |
| 43 | TENCO SOLAR | 56 | 4.9★ (84) | 9 mi |
| 44 | Infinity Solar | 56 | 4.7★ (131) | 8 mi |
| 45 | Ecoshine Window Cleaning | 56 | 4.9★ (255) | 6 mi |
| 46 | Sun Synergy Consulting | 56 | 4.3★ (45) | 13 mi |
| 47 | Utah Clean Power | 56 | 5.0★ (31) | 11 mi |
| 48 | REPOWER OC | 56 | 5.0★ (45) | 4 mi |
| 49 | Freedom Forever | 56 | 4.4★ (187) | 4 mi |
| 50 | ProSolar California | 56 | 5.0★ (31) | 31 mi |
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 |
|---|---|---|
| AENS Electrical Services | In Fountain Valley | |
| All Covered Solar Solutions | 5.0★ (2) | 7 mi |
| American Energy Networks | 5.0★ (2) | 6 mi |
| California Elite Solar | In Fountain Valley | |
| California Solar | 5.0★ (2) | 9 mi |
| Express Roofing and Solar of San Juan Capistrano | 5.0★ (2) | 11 mi |
| Just In Solar | In Fountain Valley | |
| Luxe Solar Cleaning | 5.0★ (2) | 4 mi |
| OC Solar Panel Cleaning | 4.5★ (2) | 11 mi |
| Panel Scrub, LLC. | 5.0★ (2) | 6 mi |
| Shorebreak Energy | 5.0★ (2) | 6 mi |
| Solar Messenger | 5.0★ (2) | 2 mi |
| Solar Service Professionals | In Fountain Valley | |
| Solar Topper | 5.0★ (2) | 11 mi |
| Solar Watt Solutions | 5.0★ (2) | 8 mi |
| Solarandpowersolutions | In Fountain Valley | |
| SolarPanel RoofNSave Buena | 5.0★ (2) | 12 mi |
| Sunburst Solar Panel Cleaning | In Fountain Valley | |
| VietSolar.com | 3.0★ (2) | 3 mi |
| Zenith Solar Installation Garden Grove | 1.0★ (2) | 5 mi |
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 |
We scored 517 Fountain Valley 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 Fountain Valley 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 |