63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 268 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 268 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
Best Solar Installers in Rio Vista, CA (2026)
290 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rio Vista: Solar Shine, CR Score 63/100; 4.9★ from 268 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): EnergyAid, posts 24/7 hours; ranked #2 of 290.
- 7
Most-reviewed: SunPower®, 1,576 Google reviews at 4.5★, the most of 290 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
290 Rio Vista solar installers are ranked here by CR Score, from ten published factors. 28 are open 24/7, 158 open Saturdays and 83 open Sundays, based on posted hours. The median Google rating is 4.9★ across 290 rated businesses.
Top 10 solar installers in Rio Vista at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Solar Shine | 63 | 4.9★ (268) | Antioch, 4 mi away | Sat · Sun | Overall |
| 2 | EnergyAid | 59 | 4.8★ (737) | Sacramento, 33 mi away | 24/7 | Emergencies |
| 3 | Right Now Air & Solar | 59 | 4.9★ (1,388) | Vacaville, 22 mi away | Sat · Sun · Evenings | — |
| 4 | East Bay Solar Cleaning LLC | 59 | 5.0★ (104) | Lafayette, 30 mi away | 24/7 | — |
| 5 | Hurst Solar Panel Cleaning | 59 | 5.0★ (118) | Oakley, 13 mi away | Sat | — |
| 6 | HomePro Solutions | 58 | 4.9★ (70) | Brentwood, 17 mi away | Sat · Sun · Evenings | — |
| 7 | SunPower® | 58 | 4.5★ (1,576) | Richmond, 40 mi away | Sat · Sun · Evenings | Most reviews |
| 8 | Greiner Heating, Air and Electric | 57 | 5.0★ (1,451) | Dixon, 22 mi away | Sat · Sun | — |
| 9 | Semper Solaris | 57 | 4.6★ (135) | Concord, 22 mi away | Sat · Sun · Evenings | — |
| 10 | Sunrun Solar | 56 | 4.5★ (276) | Stockton, 31 mi away | Sat · Sun | — |
The 290 best solar installers in Rio Vista, 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.
#2 EnergyAid
Based in Sacramento, 33 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 737 Google reviews, listed on Google as “Solar energy company”.
- 4.8★ from 737 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1767 Tribute Rd Ste. E, Sacramento, CA 95815
Based in Vacaville, 22 mi away
59/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 1,388 Google reviews.
- 4.9★ from 1,388 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 821 Eubanks Dr STE C, Vacaville, CA 95688
Based in Lafayette, 30 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “Solar panel maintenance service”.
- 5.0★ from 104 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- O'Conner Dr, Lafayette, CA 94549
Based in Oakley, 13 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 118 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun closed
- Address
- 640 Allagash Ct, Oakley, CA 94561
Based in Brentwood, 17 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 70 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 9010 Brentwood Blvd STE F, Brentwood, CA 94513
#7 SunPower®
Based in Richmond, 40 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.5★ from 1,576 Google reviews, listed on Google as “Solar energy company”.
- 4.5★ from 1,576 Google reviews
- Hours
- Mon–Fri 5 AM–8 PM · Sat–Sun 6 AM–8 PM
- Address
- 880 Harbour Way S Suite 600, Richmond, CA 94804
Based in Dixon, 22 mi away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 1,451 Google reviews.
- 5.0★ from 1,451 Google reviews
- Hours
- Mon–Fri 7:30 AM–6 PM · Sat 8 AM–4:30 PM · Sun 8 AM–4 PM
- Address
- 8235 Pedrick Rd, Dixon, CA 95620
Based in Concord, 22 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 135 Google reviews, listed on Google as “Solar energy company”.
- 4.6★ from 135 Google reviews
- Hours
- Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
- Address
- 1990 Olivera Rd Suite E, Concord, CA 94520
#10 Sunrun Solar
Based in Stockton, 31 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.5★ from 276 Google reviews, listed on Google as “Solar energy company”.
- 4.5★ from 276 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 1551 Stimson St #4, Stockton, CA 95206
#11 Ambrose Solar
Based in Vacaville, 22 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 258 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 258 Google reviews
- Hours
- Mon–Fri 8 AM–5:30 PM · Sat–Sun closed
- Address
- 820 Eubanks Dr Suite A, Vacaville, CA 95688
#12 Source Energy
Based in Walnut Creek, 27 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 51 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 8 AM–5 PM · Sun 10 AM–3 PM
- Address
- 161 N Civic Dr #400, Walnut Creek, CA 94596
Based in Livermore, 33 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.5★ from 172 Google reviews, listed on Google as “Solar energy company”.
- 4.5★ from 172 Google reviews
- Hours
- Mon–Sun 9 AM–8 PM
- Address
- 2021 Las Positas Ct # 129, Livermore, CA 94551
Based in Fairfield, 21 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 48 Google reviews
- Hours
- Mon–Sat 7 AM–10 PM · Sun closed
- Address
- 1745 Enterprise Dr #2d, Fairfield, CA 94533
Based in Dublin, 35 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 128 Google reviews
- Hours
- Mon–Sat 9 AM–6 PM · Sun closed
- Address
- 11501 Dublin Blvd STE 200, Dublin, CA 94568
#16 EXT Cleaning
Based in Sacramento, 27 mi away
55/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 279 Google reviews.
- 5.0★ from 279 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#17 Solar Harmonics
Based in Antioch, 16 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 68 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
Based in Vacaville, 22 mi away
55/100CR ScoreRanked #18 because of its Google rating and review volume: 4.9★ from 463 Google reviews.
- 4.9★ from 463 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 875 Cotting Ln STE H, Vacaville, CA 95688
#19 Semper Solaris
Based in Manteca, 40 mi away
55/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 542 Google reviews.
- 4.9★ from 542 Google reviews
- Hours
- Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
- Address
- 3025 Palm Ave Suite 101, Manteca, CA 95337
#20 Mirador Energy
Based in Fairfield, 21 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 15 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 1652 W Texas St #101a, Fairfield, CA 94533
#21 Sunrun Solar
Based in Sacramento, 35 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.2★ from 375 Google reviews, listed on Google as “Solar energy company”.
- 4.2★ from 375 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 3835 N Freeway Blvd, Sacramento, CA 95834
Based in Benicia, 31 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Sacramento, 26 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5959 Riverside Blvd #42, Sacramento, CA 95831
Based in Rancho Cordova, 37 mi away
54/100CR ScoreRanked #24 because of its Google rating and review volume: 4.8★ from 976 Google reviews.
- 4.8★ from 976 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3261 Monier Cir #100, Rancho Cordova, CA 95742
Based in Antioch, 14 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 19 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 19 Google reviews
- Hours
- Mon–Sat 7 AM–10 PM · Sun closed
- Address
- 5179 Lone Tree Wy #561, Antioch, CA 94531
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 290 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Five Star Solar | 54 | 4.9★ (337) | 26 mi |
| 27 | Twinpeak Solar | 54 | 5.0★ (6) | 25 mi |
| 28 | Eco Solar Cleaning | 54 | 5.0★ (29) | 34 mi |
| 29 | Solar Cleaning and Repair | 54 | 5.0★ (15) | 24 mi |
| 30 | Kingdom Solar | 54 | 4.9★ (83) | 34 mi |
| 31 | ACDC Power | 54 | 5.0★ (26) | 11 mi |
| 32 | United Solar Electric | 54 | 4.8★ (51) | 16 mi |
| 33 | West Coast Solar | 54 | 4.3★ (184) | 14 mi |
| 34 | SUPERIOR SOLAR, INC | 54 | 5.0★ (73) | 37 mi |
| 35 | CEZ Electric and Maintenance | 53 | 5.0★ (52) | 14 mi |
| 36 | Smart Solar Panel Cleaning Bay Area | 53 | 5.0★ (44) | 28 mi |
| 37 | Smart Home Security Control | 53 | 5.0★ (31) | 27 mi |
| 38 | Living Brite | 53 | 5.0★ (20) | 21 mi |
| 39 | Semper Solaris | 53 | 4.5★ (34) | 31 mi |
| 40 | North Valley Solar Power | 53 | 4.8★ (25) | 23 mi |
| 41 | Infusion Energy LLC | 53 | 5.0★ (9) | 23 mi |
| 42 | Reynolds Solar Cleaning | 53 | 4.7★ (15) | 16 mi |
| 43 | Suntrek Solar | 53 | 4.8★ (33) | 12 mi |
| 44 | SQKII Clean Window, Solar, & Gutter | 53 | 5.0★ (24) | 22 mi |
| 45 | E and F Services | 53 | 5.0★ (28) | 38 mi |
| 46 | Citadel Roofing & Solar | 53 | 4.7★ (71) | 35 mi |
| 47 | Shining Solar Solutions | 53 | 5.0★ (5) | 19 mi |
| 48 | Singh Solar Couple | 53 | 5.0★ (18) | 24 mi |
| 49 | North Valley Solar Power | 53 | 4.9★ (18) | 24 mi |
| 50 | KOTA Energy Group | 53 | 4.1★ (94) | 23 mi |
Also serving Rio Vista
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 |
|---|---|---|
| 5 Star Solar Panel N Tiles Tracy | 5.0★ (2) | 33 mi |
| Banta Electric & Solar | 5.0★ (2) | 34 mi |
| Bay Area Squeegee | 5.0★ (61) | In Rio Vista |
| Bay Solar Group | 5.0★ (2) | 30 mi |
| BYO Solar Company Elk Grove | 4.5★ (2) | 25 mi |
| Contra Costa Sun | 5.0★ (2) | 24 mi |
| Eagle Shield | 3.0★ (2) | 31 mi |
| Electric Avenue Renewables | 5.0★ (2) | 34 mi |
| GT Solar Power Concord | 5.0★ (2) | 24 mi |
| Home Solar Inc. | 5.0★ (2) | 4 mi |
| NationWize Solar | 1.5★ (2) | 27 mi |
| NC Electric & Solar Inc | 3.0★ (2) | 22 mi |
| New Dimension Roofing and Solar | 5.0★ (2) | 19 mi |
| Port City Solar Cleaning LLC | 5.0★ (2) | 32 mi |
| Robert's Solar | 3.0★ (2) | 21 mi |
| Solar Sense PV, Inc. | 1.0★ (2) | 34 mi |
| SolarPanal EranNSave Danville | 5.0★ (2) | 28 mi |
| SolarPower Divine Tracy | 5.0★ (2) | 33 mi |
| Spartan Home Services | 5.0★ (2) | 29 mi |
| TopOfTheLine SolarPanels Tracy | 5.0★ (2) | 33 mi |
How much do solar installers cost in Rio Vista?
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 Rio Vista solar installers
We scored 290 Rio Vista 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 Rio Vista 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 Rio Vista: frequently asked questions
Who is the best solar installer in Rio Vista?
By CR Score, the highest-ranked solar installer in Rio Vista, CA is Solar Shine with a CR Score of 63/100. It has 4.9★ from 268 Google reviews. It is open 7 days a week. EnergyAid (#2) and Right Now Air & Solar (#3) follow. We ranked 290 solar installers on ten factors, last updated October 22, 2026.
How many solar installers are there in Rio Vista?
ContractorsRanked ranks 290 solar installers serving Rio Vista, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which solar installers in Rio Vista are open 24/7?
28 ranked solar installers in Rio Vista post 24/7 hours. The highest-ranked are EnergyAid (#2), East Bay Solar Cleaning LLC (#4) and EXT Cleaning (#16). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in Rio Vista work on weekends?
158 of 290 ranked solar installers post Saturday hours and 83 post Sunday hours. The highest-ranked open Saturdays are Solar Shine (#1), EnergyAid (#2) and Right Now Air & Solar (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Rio Vista?
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 Rio Vista solar installers have?
The median Google rating among 290 rated solar installers in Rio Vista is 4.9★, with a median of 23 reviews. SunPower® has the most, 1,576 reviews, and ranks #7. 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 Rio Vista count in this ranking?
Yes, if they are within 40 mi of the Rio Vista 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 Rio Vista
- October 2026: CR Scores recalculated for 290 solar installers serving Rio Vista.
- October 2026: 1 duplicate listing merged.
More solar installers and Rio Vista pages
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Other trades in Rio Vista
- Roofers in Rio Vista540 ranked
- Plumbers in Rio Vista245 ranked
- Electricians in Rio Vista163 ranked
- HVAC contractors in Rio Vista290 ranked
- General contractors in Rio Vista279 ranked
- Painters in Rio Vista23 ranked
- Landscapers in Rio Vista36 ranked
- Handymen in Rio Vista21 ranked
- Kitchen remodelers in Rio Vista151 ranked
- Bathroom remodelers in Rio Vista147 ranked
- Flooring contractors in Rio Vista119 ranked
- Tile installers in Rio Vista7 ranked
- Concrete contractors in Rio Vista124 ranked
- Fence contractors in Rio Vista65 ranked
- Deck builders in Rio Vista55 ranked
- Siding contractors in Rio Vista98 ranked
- Window installers in Rio Vista291 ranked
- Gutter installers in Rio Vista57 ranked
- Insulation contractors in Rio Vista34 ranked
- Garage door repair companies in Rio Vista80 ranked
- Foundation repair companies in Rio Vista69 ranked
- Tree services in Rio Vista131 ranked
- Masonry contractors in Rio Vista44 ranked
- Water damage restoration companies in Rio Vista246 ranked
- Home builders in Rio Vista349 ranked
- Demolition contractors in Rio Vista29 ranked
- All contractors in Rio Vista