278 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Pittsburg: Smart Solar Panel Cleaning Bay Area, CR Score 62/100; 5.0★ from 418 Google reviews; open 24/7.
Best for emergencies (open 24/7): East Bay Solar Cleaning LLC, posts 24/7 hours; ranked #3 of 278.
Most-reviewed: SunPower®, 1,576 Google reviews at 4.5★, the most of 278 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
278 Pittsburg solar installers are ranked here by CR Score, from ten published factors. 29 are open 24/7, 150 open Saturdays and 81 open Sundays, based on posted hours. The median Google rating is 4.9★ across 278 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Smart Solar Panel Cleaning Bay Area | 62 | 5.0★ (418) | Hayward, 29 mi away | 24/7 | Overall |
| 2 | Solar Shine | 62 | 4.9★ (268) | Antioch, 12 mi away | Sat · Sun | — |
| 3 | East Bay Solar Cleaning LLC | 61 | 5.0★ (104) | Lafayette, 16 mi away | 24/7 | Emergencies |
| 4 | SunPower® | 60 | 4.5★ (1,576) | Richmond, 27 mi away | Sat · Sun · Evenings | Most reviews |
| 5 | EnergyAid | 59 | 4.8★ (842) | Fremont, 35 mi away | 24/7 | — |
| 6 | Semper Solaris | 59 | 4.6★ (135) | Concord, 9 mi away | Sat · Sun · Evenings | — |
| 7 | HomePro Solutions | 59 | 4.9★ (70) | Brentwood, 13 mi away | Sat · Sun · Evenings | — |
| 8 | Right Now Air & Solar | 58 | 4.9★ (1,388) | Vacaville, 26 mi away | Sat · Sun · Evenings | — |
| 9 | Source Energy | 58 | 5.0★ (51) | Walnut Creek, 13 mi away | Sat · Sun | — |
| 10 | Hurst Solar Panel Cleaning | 58 | 5.0★ (118) | Oakley, 14 mi away | Sat | — |
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: 5.0★ from 418 Google reviews, listed on Google as “Solar energy company”.
Based in Antioch, 12 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 268 Google reviews, listed on Google as “Solar energy company”.
Based in Lafayette, 16 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Richmond, 27 mi away
Ranked #4 because of its Google rating and review volume: 4.5★ from 1,576 Google reviews, the most in Pittsburg.
Based in Fremont, 35 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 842 Google reviews, listed on Google as “Solar energy company”.
Based in Concord, 9 mi away
Ranked #6 because of its Google rating and trade focus: 4.6★ from 135 Google reviews, listed on Google as “Solar energy company”.
Based in Brentwood, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Solar energy company”.
Based in Vacaville, 26 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 1,388 Google reviews.
Based in Walnut Creek, 13 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Solar energy company”.
Based in Oakley, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “Solar energy company”.
Based in Hayward, 31 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 480 Google reviews, listed on Google as “Solar energy company”.
Based in Dublin, 23 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Solar energy company”.
Based in Livermore, 24 mi away
Ranked #13 because of its Google rating and trade focus: 4.5★ from 172 Google reviews, listed on Google as “Solar energy company”.
Based in Redwood Shores, 33 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 55 Google reviews, listed on Google as “Solar energy company”.
Based in Dixon, 31 mi away
Ranked #15 because of its Google rating and review volume: 5.0★ from 1,451 Google reviews.
Based in Benicia, 22 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy company”.
Based in Walnut Creek, 13 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Solar energy company”.
Based in Vacaville, 26 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 258 Google reviews, listed on Google as “Solar energy company”.
Based in Fairfield, 18 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Solar energy company”.
Based in Stockton, 36 mi away
Ranked #20 because of its Google rating and trade focus: 4.5★ from 276 Google reviews, listed on Google as “Solar energy company”.
Based in Hayward, 30 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 126 Google reviews, listed on Google as “Solar energy company”.
Based in Concord, 9 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Solar energy company”.
Based in Antioch, 12 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Solar energy company”.
Based in Danville, 16 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Antioch, 8 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 19 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 278 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Kingdom Solar | 55 | 4.9★ (83) | 26 mi |
| 27 | CEZ Electric and Maintenance | 55 | 5.0★ (52) | 5 mi |
| 28 | Mirador Energy | 55 | 5.0★ (15) | 18 mi |
| 29 | Singh Solar Couple | 55 | 5.0★ (18) | 10 mi |
| 30 | High Definition Solar | 55 | 4.1★ (142) | 10 mi |
| 31 | Ongaro & Sons | 55 | 4.9★ (762) | 37 mi |
| 32 | KOTA Energy Group | 55 | 4.1★ (94) | 9 mi |
| 33 | Synergy Power | 55 | 4.9★ (205) | 30 mi |
| 34 | Save a Lot Solar | 55 | 4.9★ (45) | 25 mi |
| 35 | Bundle, A Solar Company | 55 | 5.0★ (38) | 33 mi |
| 36 | Twinpeak Solar | 55 | 5.0★ (6) | 20 mi |
| 37 | United Solar Electric | 54 | 4.8★ (51) | 12 mi |
| 38 | Suntrek Solar | 54 | 4.8★ (33) | 5 mi |
| 39 | Besty Solar Inc. | 54 | 5.0★ (63) | 33 mi |
| 40 | Stellar Power | 54 | 5.0★ (14) | 13 mi |
| 41 | California Solar Care | 54 | 5.0★ (54) | 39 mi |
| 42 | Gomax Solar System inc. | 54 | 5.0★ (17) | 13 mi |
| 43 | West Coast Solar | 54 | 4.3★ (184) | 12 mi |
| 44 | Professional Powerwashing & Property Maintenance | 54 | 4.9★ (111) | 18 mi |
| 45 | Cozy Home Services | 54 | 4.9★ (463) | 26 mi |
| 46 | Sunrun Solar | 54 | 4.0★ (115) | 23 mi |
| 47 | Sol R Us Inc | 54 | 4.8★ (32) | 9 mi |
| 48 | ACDC Power | 54 | 5.0★ (26) | 8 mi |
| 49 | Living Brite | 54 | 5.0★ (20) | 19 mi |
| 50 | solarXperts | 54 | 4.3★ (102) | 10 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 |
|---|---|---|
| Bold Frame Park | In Pittsburg | |
| Borrego (Oakland) | 4.0★ (2) | 26 mi |
| Contra Costa Sun | 5.0★ (2) | 10 mi |
| Eagle Shield | 3.0★ (2) | 18 mi |
| GT Solar Power Concord | 5.0★ (2) | 10 mi |
| Home Solar Inc. | 5.0★ (2) | 17 mi |
| My Generator Guy | 4.6★ (60) | In Pittsburg |
| NationWize Solar | 1.5★ (2) | 15 mi |
| NC Electric & Solar Inc | 3.0★ (2) | 9 mi |
| New Dimension Roofing and Solar | 5.0★ (2) | 18 mi |
| Phils Electric Company | 5.0★ (2) | 26 mi |
| PulseFlow Electric | 5.0★ (7) | In Pittsburg |
| Solar Sense PV, Inc. | 1.0★ (2) | 23 mi |
| SolarPanal EranNSave Danville | 5.0★ (2) | 16 mi |
| Spartan Home Services | 5.0★ (2) | 16 mi |
| Triad Power Solutions | 5.0★ (2) | 23 mi |
| Universe Solar Panel Oakland | 3.0★ (2) | 25 mi |
| Urban Frame Dryer And Air Vent | 5.0★ (1) | In Pittsburg |
| Vonnegut Electric & Solar | 5.0★ (2) | 24 mi |
| West Coast Solar & Water Heater Repair | 5.0★ (2) | 27 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 278 Pittsburg 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 Pittsburg 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 |