Skip to content

Best Solar Installers in Fremont, CA (2026)

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

The short answer

  1. 1

    Best overall in Fremont: EnergyAid, CR Score 65/100; 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 299.

  3. 10

    Most-reviewed: SunPower®, 1,576 Google reviews at 4.5★, the most of 299 ranked; ranked #10.

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

299 Fremont solar installers are ranked here by CR Score, from ten published factors. 32 are open 24/7, 152 open Saturdays and 80 open Sundays, based on posted hours. The median Google rating is 4.9★ across 299 rated businesses.

Top 10 solar installers in Fremont at a glance

Top 10 solar installers in Fremont at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1EnergyAid654.8★ (842)Fremont24/7Overall
2Smart Solar Panel Cleaning Bay Area655.0★ (418)Hayward, 10 mi away24/7Emergencies
3Semper Solaris624.6★ (480)Hayward, 6 mi awaySat · Sun · Evenings—
4California Solar Care605.0★ (54)FremontSat · Sun—
5TN Electrical and Solar Services605.0★ (107)San Jose, 13 mi awaySat · Sun—
6Besty Solar Inc.605.0★ (63)Fremont——
7East Bay Solar Cleaning LLC605.0★ (104)Lafayette, 24 mi away24/7—
8Sunrun Solar594.4★ (281)Milpitas, 8 mi awaySat · Sun—
9Solar Pro Energy Systems594.7★ (55)Redwood Shores, 11 mi away24/7—
10SunPower®594.5★ (1,576)Richmond, 33 mi awaySat · Sun · EveningsMost reviews

The 299 best solar installers in Fremont, ranked

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

  1. Ranked #1 in Fremont

    Based in Fremont

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 842 Google reviews, listed on Google as “Solar energy company”.

    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. Based in Hayward, 6 mi away

    62/100CR Score

    Ranked #3 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
  3. Based in Fremont

    60/100CR Score

    Ranked #4 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
  4. Based in San Jose, 13 mi away

    60/100CR Score

    Ranked #5 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
  5. Based in Fremont

    60/100CR Score

    Ranked #6 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
  6. Based in Lafayette, 24 mi away

    60/100CR Score

    Ranked #7 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
  7. Based in Milpitas, 8 mi away

    59/100CR Score

    Ranked #8 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
  8. Based in Redwood Shores, 11 mi away

    59/100CR Score

    Ranked #9 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
  9. Based in Richmond, 33 mi away

    59/100CR Score

    Ranked #10 because of its Google rating and review volume: 4.5★ from 1,576 Google reviews, the most in Fremont.

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

    • 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
  10. Based in Dublin, 11 mi away

    59/100CR Score

    Ranked #11 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
  11. Based in Hayward, 10 mi away

    59/100CR Score

    Ranked #12 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
  12. Based in Campbell, 13 mi away

    58/100CR Score

    Ranked #14 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
  13. Based in Campbell, 19 mi away

    57/100CR Score

    Ranked #15 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
  14. Based in Livermore, 17 mi away

    56/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 83 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.9★ from 83 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
    Address
    2364 Research Dr, Livermore, CA 94550
  15. Based in Walnut Creek, 25 mi away

    56/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Solar energy company”.

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

    • 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
  16. Based in San Jose, 13 mi away

    56/100CR Score

    Ranked #20 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
  17. Based in Pleasanton, 11 mi away

    56/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.0★ from 115 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.0★ from 115 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    5674 Stoneridge Mall Rd, Pleasanton, CA 94588
  18. Based in San Jose, 13 mi away

    56/100CR Score

    Ranked #22 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
  19. Based in Fremont

    56/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.2★ from 227 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.2★ from 227 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    47281 Bayside Pkwy, Fremont, CA 94538
  20. Based in Concord, 31 mi away

    56/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.6★ from 135 Google reviews, listed on Google as “Solar energy company”.

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

    • 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
  21. Based in Brentwood, 31 mi away

    56/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.9★ from 70 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    9010 Brentwood Blvd STE F, Brentwood, CA 94513

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

solar installers in Fremont, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26LUX Home Services555.0★ (43)In Fremont
27Newhaus Roofing & Construction554.9★ (148)15 mi
28Bundle, A Solar Company555.0★ (38)28 mi
29Nabu Energy - Solar PV and Energy Storage battery Installation Company.554.8★ (41)2 mi
30Home Pro Roofing and Solar555.0★ (32)12 mi
31Hurst Solar Panel Cleaning555.0★ (118)36 mi
32Smart Solar Panel Cleaning Bay Area555.0★ (44)18 mi
33SunWork Renewable Energy Projects555.0★ (20)9 mi
34Bay Area Pressure Pros555.0★ (80)12 mi
35SolarGuru Energy - Los Altos Solar Company555.0★ (5)15 mi
36Professional Powerwashing & Property Maintenance544.9★ (111)16 mi
37NRG Clean Power544.2★ (80)16 mi
38VBN Solar Solution544.2★ (10)9 mi
39CalPacific Power545.0★ (16)9 mi
40Synergy Power544.9★ (205)32 mi
41Your California Solar Girl LLC545.0★ (16)12 mi
42Evolution Solar inc544.5★ (15)15 mi
43SolarGuru Energy544.4★ (5)16 mi
44Premier Solar Service & Solar Panel Cleaning Tracy545.0★ (19)36 mi
45Sunrun Solar543.8★ (469)28 mi
46Freedom Forever544.8★ (70)18 mi
47Sunlight Electri-Cal Solutions545.0★ (33)12 mi
48Sky Power Solar544.4★ (14)16 mi
49Cinnamon Energy Systems544.8★ (83)21 mi
50Save a Lot Solar544.9★ (45)29 mi

Also serving Fremont

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 Fremont
BusinessGoogle ratingDistance
Adept Electrical Solutions5.0★ (83)In Fremont
Alpha Energy Management, Inc.In Fremont
Blue Sky SolarIn Fremont
Energy Partners AssociationIn Fremont
Estrada Exterior Cleaning Corp5.0★ (2)4 mi
Fuse Electrical4.9★ (82)In Fremont
GHESolar Company Fremont5.0★ (2)In Fremont
JD Energy SolutionsIn Fremont
MY Tech USA Roofing4.7★ (24)In Fremont
Solar Bar Install4.0★ (2)8 mi
Solar Light Tower1.0★ (1)In Fremont
Solar Panels & LightsIn Fremont
Sunshift1.0★ (1)In Fremont
Tri-City Roofing4.5★ (25)In Fremont
Triad Power Solutions5.0★ (2)11 mi
urjagridIn Fremont
Visionary Property Solutions5.0★ (1)In Fremont
Vonnegut Electric & Solar5.0★ (2)10 mi
Xponent PowerIn Fremont
ZeroBase Energy, LLCIn Fremont

How much do solar installers cost in Fremont?

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 Fremont?
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 Fremont solar installers

We scored 299 Fremont 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 Fremont 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 Fremont: frequently asked questions

Who is the best solar installer in Fremont?

By CR Score, the highest-ranked solar installer in Fremont, CA is EnergyAid with a CR Score of 65/100. It has 4.8★ from 842 Google reviews. It is open 24/7. Smart Solar Panel Cleaning Bay Area (#2) and Semper Solaris (#3) follow. We ranked 299 solar installers on ten factors, last updated October 22, 2026.

How many solar installers are there in Fremont?

ContractorsRanked ranks 299 solar installers serving Fremont, CA. 5 of them are based in Fremont; 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 Fremont are open 24/7?

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

Which solar installers in Fremont work on weekends?

152 of 299 ranked solar installers post Saturday hours and 80 post Sunday hours. The highest-ranked open Saturdays are EnergyAid (#1), Smart Solar Panel Cleaning Bay Area (#2) and Semper Solaris (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Fremont?

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 Fremont solar installers have?

The median Google rating among 299 rated solar installers in Fremont is 4.9★, with a median of 19 reviews. SunPower® has the most, 1,576 reviews, and ranks #10. 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 Fremont count in this ranking?

Yes, if they are within 40 mi of the Fremont 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 Fremont

  1. October 2026: CR Scores recalculated for 299 solar installers serving Fremont.
  2. October 2026: 1 duplicate listing merged.

More solar installers and Fremont pages

Other trades in Fremont