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Best Solar Installers in San Jose, CA (2026)

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

The short answer

  1. 1

    Best overall in San Jose: EnergyAid, CR Score 64/100; 4.8★ from 842 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Smart Solar Panel Cleaning Bay Area, posts 24/7 hours; ranked #2 of 226.

  3. 4

    Most-reviewed: Semper Solaris, 480 Google reviews at 4.6★, the most of 226 ranked after EnergyAid; ranked #4.

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

226 San Jose solar installers are ranked here by CR Score, from ten published factors. 30 are open 24/7, 119 open Saturdays and 66 open Sundays, based on posted hours. The median Google rating is 4.9★ across 226 rated businesses.

Top 10 solar installers in San Jose at a glance

Top 10 solar installers in San Jose at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1EnergyAid644.8★ (842)Fremont, 13 mi away24/7Overall
2Smart Solar Panel Cleaning Bay Area635.0★ (418)Hayward, 25 mi away24/7Emergencies
3TN Electrical and Solar Services635.0★ (107)San JoseSat · Sun—
4Semper Solaris614.6★ (480)Hayward, 20 mi awaySat · Sun · EveningsMost reviews
5Sunrun Solar614.4★ (281)Milpitas, 7 mi awaySat · Sun—
6California Glass and Solar605.0★ (28)Campbell, 6 mi away24/7—
7Porter Solar Solutions605.0★ (205)Campbell, 4 mi away——
8California Solar Care605.0★ (54)Fremont, 9 mi awaySat · Sun—
9Infinium Solar Roofing and Electric604.9★ (290)Campbell, 6 mi awaySat · Sun · Evenings—
10Smart Solar Panel Cleaning San Jose595.0★ (11)San Jose24/7—

The 226 best solar installers in San Jose, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in San Jose

    Based in Fremont, 13 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.8★ from 842 Google reviews, the most in San Jose.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 842 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3300 Seldon Ct #11, Fremont, CA 94539
  2. 63/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 107 Google reviews, listed on Google as “Solar energy system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 107 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–4 PM · Sun 9 AM–2 PM
    Address
    1150 Murphy Ave #240, San Jose, CA 95131
  3. Based in Hayward, 20 mi away

    61/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.6★ from 480 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 480 Google reviews
    Hours
    Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
    Address
    2505 Amaral Ct, Hayward, CA 94544
  4. Based in Milpitas, 7 mi away

    61/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.4★ from 281 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 281 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    1181 Cadillac Ct, Milpitas, CA 95035
  5. Based in Campbell, 6 mi away

    60/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 28 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    131B Lost Lake Ln, Campbell, CA 95008
  6. Based in Campbell, 4 mi away

    60/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 205 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 205 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
  7. Based in Fremont, 9 mi away

    60/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Solar energy system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 54 Google reviews
    Hours
    Mon–Sun 6 AM–6 PM
  8. Based in San Jose

    59/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 59 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 59 Google reviews
    Hours
    Mon–Sat 9 AM–6 PM · Sun closed
    Address
    1624 Remuda Ln, San Jose, CA 95112
  9. Based in San Jose

    59/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.6★ from 29 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 29 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    Oakland Rd Suite 107, San Jose, CA 95131
  10. Based in San Jose

    58/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 98 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 98 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    6203 San Ignacio Ave, San Jose, CA 95119
  11. Based in Lafayette, 40 mi away

    58/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “Solar panel maintenance service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 104 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    O'Conner Dr, Lafayette, CA 94549
  12. Based in Redwood Shores, 24 mi away

    58/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.7★ from 55 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 55 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  13. Based in Fremont, 16 mi away

    58/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Solar energy company”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 63 Google reviews
    Address
    2140 Peralta Blvd, Fremont, CA 94536
  14. Based in San Jose

    58/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.2★ from 80 Google reviews, listed on Google as “Solar energy company”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.2★ from 80 Google reviews
    Address
    75 E Santa Clara St, San Jose, CA 95113
  15. Based in Dublin, 25 mi away

    58/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 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. Based in San Jose

    57/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.8★ from 70 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 70 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    1919 Monterey Rd, San Jose, CA 95112
  17. Based in San Jose

    57/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.4★ from 5 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 5 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    399 Clifton Ave, San Jose, CA 95128
  18. Based in Hayward, 25 mi away

    57/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 126 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 126 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    23785 Cabot Blvd #319, Hayward, CA 94545
  19. Based in Santa Clara, 2 mi away

    57/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 15 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun 9 AM–1 PM
    Address
    59 Washington St Suite 337, Santa Clara, CA 95050
  20. Based in Los Gatos, 8 mi away

    57/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 83 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 83 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    809 University Ave, Los Gatos, CA 95032

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

solar installers in San Jose, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Home Pro Roofing and Solar565.0★ (32)8 mi
27VBN Solar Solution564.2★ (10)In San Jose
28Clean Solar564.5★ (72)In San Jose
29Valley Heating, Cooling, Electrical and Solar564.8★ (231)In San Jose
30Earth Electric Inc564.9★ (49)5 mi
31Kingdom Solar564.9★ (83)25 mi
32SunWork Renewable Energy Projects565.0★ (20)6 mi
33SolarGuru Energy - Los Altos Solar Company565.0★ (5)11 mi
34Your California Solar Girl LLC565.0★ (16)6 mi
35Nexus Energy Systems564.4★ (67)In San Jose
36Nomadic Solar564.9★ (33)26 mi
37ShineXD Pressure Washing ⋅ Building Maintenance ⋅ Elite Specialty Cleaning Professionals ⋅ PBID555.0★ (241)28 mi
38Soleeva554.4★ (45)In San Jose
39Semper Solaris554.4★ (88)6 mi
40SEC Services - Solar Energy Consultants555.0★ (8)In San Jose
41Sunrise Electrical Contracting555.0★ (118)20 mi
42Enphase Energy, Inc.554.2★ (227)10 mi
43Skyfox Solar555.0★ (6)In San Jose
44LUX Home Services555.0★ (43)7 mi
45Premier Solar Service & Solar Panel Cleaning Tracy555.0★ (19)34 mi
46Poco Solar Energy Inc554.7★ (266)4 mi
47Sunrun Solar554.0★ (115)24 mi
48BCC SunShine Solar552.6★ (5)In San Jose
49Fisher Electric544.8★ (134)20 mi
50Solar Engineering545.0★ (24)10 mi

Also serving San Jose

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 San Jose
BusinessGoogle ratingDistance
Boviet Solar5.0★ (2)In San Jose
Clear Solar Solutions, Inc5.0★ (2)In San Jose
Collier Solar Energy Systems1.0★ (1)In San Jose
Core Energy1.0★ (1)In San Jose
Cupertino Electric Inc4.3★ (54)In San Jose
D2solar5.0★ (1)In San Jose
Jenkins Solar Energy Systems2.0★ (1)In San Jose
Norcal Solar SystemsIn San Jose
S&F Solar5.0★ (1)In San Jose
SilRay, Inc.5.0★ (2)In San Jose
Skyway Electric and Solar1.0★ (1)In San Jose
Solar Bar Install4.0★ (2)In San Jose
Solar Customized SJ Solutions5.0★ (2)In San Jose
Solar San Jose5.0★ (2)In San Jose
Solar Technologies3.0★ (2)In San Jose
SolarMaxIn San Jose
SolarPaneLLink Jan Jose5.0★ (2)In San Jose
Sunpower1.0★ (2)In San Jose
SunPower & More! Joseph Miller5.0★ (1)In San Jose
Sustainable Capital FinanceIn San Jose

How much do solar installers cost in San Jose?

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 San Jose?
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 San Jose solar installers

We scored 226 San Jose 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn San Jose data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Solar installers in San Jose: frequently asked questions

Who is the best solar installer in San Jose?

By CR Score, the highest-ranked solar installer in San Jose, CA is EnergyAid with a CR Score of 64/100. It has 4.8★ from 842 Google reviews. It is open 24/7. Smart Solar Panel Cleaning Bay Area (#2) and TN Electrical and Solar Services (#3) follow. We ranked 226 solar installers on ten factors, last updated October 22, 2026.

How many solar installers are there in San Jose?

ContractorsRanked ranks 226 solar installers serving San Jose, CA. 17 of them are based in San Jose; 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 San Jose are open 24/7?

30 ranked solar installers in San Jose post 24/7 hours. The highest-ranked are EnergyAid (#1), Smart Solar Panel Cleaning Bay Area (#2) and California Glass and Solar (#6). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in San Jose work on weekends?

119 of 226 ranked solar installers post Saturday hours and 66 post Sunday hours. The highest-ranked open Saturdays are EnergyAid (#1), Smart Solar Panel Cleaning Bay Area (#2) and TN Electrical and Solar Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in San Jose?

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 San Jose solar installers have?

The median Google rating among 226 rated solar installers in San Jose is 4.9★, with a median of 17 reviews. EnergyAid has the most, 842 reviews, and ranks #1. 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 San Jose count in this ranking?

Yes, if they are within 40 mi of the San Jose 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 San Jose

  1. October 2026: CR Scores recalculated for 226 solar installers serving San Jose.

More solar installers and San Jose pages

Other trades in San Jose