354 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in San Marcos: Baker Home Energy, CR Score 63/100; 4.8★ from 2,727 Google reviews; open Saturdays until 4 PM.
Best for emergencies (open 24/7): OnPoint Solar Panel Cleaning San Diego, posts 24/7 hours; ranked #4 of 354.
Most-reviewed: Mauzy Cooling, Heating, Plumbing, and Electrical, 4,710 Google reviews at 4.8★, the most of 354 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
354 San Marcos solar installers are ranked here by CR Score, from ten published factors. 43 are open 24/7, 205 open Saturdays and 105 open Sundays, based on posted hours. The median Google rating is 5.0★ across 354 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Baker Home Energy | 63 | 4.8★ (2,727) | Escondido, 4 mi away | Sat | Overall |
| 2 | Powur, PBC | 61 | 4.7★ (443) | Carlsbad, 6 mi away | Sat · Sun · Evenings | — |
| 3 | Eminent Energy | 61 | 5.0★ (219) | San Marcos | Sat · Evenings | — |
| 4 | OnPoint Solar Panel Cleaning San Diego | 60 | 5.0★ (309) | La Mesa, 28 mi away | 24/7 | Emergencies |
| 5 | Action Solar | 60 | 4.9★ (143) | San Diego, 18 mi away | 24/7 | — |
| 6 | Semper Solaris | 60 | 4.8★ (1,454) | San Diego, 30 mi away | Sat · Sun · Evenings | — |
| 7 | Solar Negotiators | 59 | 4.8★ (259) | Escondido, 4 mi away | Sat | — |
| 8 | SolarHub | 59 | 5.0★ (37) | San Marcos | Sat · Sun · Evenings | — |
| 9 | Guthrie & Sons Heating, Air and Solar | 58 | 4.9★ (1,494) | San Diego, 22 mi away | Sat · Sun · Evenings | — |
| 10 | Sunrun Solar | 58 | 4.3★ (134) | Vista, 4 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: 4.8★ from 2,727 Google reviews, listed on Google as “Solar energy company”.
Based in Carlsbad, 6 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 443 Google reviews, listed on Google as “Solar energy company”.
Based in San Marcos
Ranked #3 because of its Google rating and trade focus: 5.0★ from 219 Google reviews, listed on Google as “Solar energy company”.
Based in La Mesa, 28 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 309 Google reviews, listed on Google as “Solar energy company”.
Based in San Diego, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 143 Google reviews, listed on Google as “Solar energy company”.
Based in San Diego, 30 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 1,454 Google reviews, listed on Google as “Solar energy company”.
Based in Escondido, 4 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 259 Google reviews, listed on Google as “Solar energy company”.
Based in San Marcos
Ranked #8 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Solar energy company”.
Based in San Diego, 22 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 1,494 Google reviews.
Based in Vista, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.3★ from 134 Google reviews, listed on Google as “Solar energy company”.
Based in Escondido, 6 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “Solar energy company”.
Based in San Diego, 18 mi away
Ranked #12 because of its Google rating and review volume: 4.9★ from 1,612 Google reviews.
Based in La Jolla, 11 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Lake Elsinore, 14 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Solar energy system service”.
Based in El Cajon, 25 mi away
Ranked #15 because of its Google rating and review volume: 4.9★ from 1,836 Google reviews.
Based in El Cajon, 25 mi away
Ranked #16 because of its Google rating and review volume: 4.8★ from 4,710 Google reviews, the most in San Marcos.
Based in Chula Vista, 38 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 129 Google reviews, listed on Google as “Solar energy system service”.
Based in San Diego, 19 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 137 Google reviews, listed on Google as “Solar energy company”.
Based in Lakeside, 24 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Solar energy company”.
Based in Carlsbad, 7 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Solar energy company”.
Based in San Diego, 25 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 469 Google reviews, listed on Google as “Solar energy company”.
Based in San Diego, 25 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Solar energy company”.
Based in Casa de Oro-Mount Helix, 24 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Solar energy system service”.
Based in San Diego, 10 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Solar energy system service”.
Based in San Marcos
Ranked #25 because of its Google rating and trade focus: 4.8★ from 32 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 354 ranked solar installers here; the rest are on their profiles.
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 |
|---|---|---|
| Action Solar | In San Marcos | |
| Affiliate Solar | 3.0★ (2) | 14 mi |
| BP Energy Groups | In San Marcos | |
| BrightSun Solar-Panels Poway | 5.0★ (2) | 15 mi |
| California Energy Specialists | 5.0★ (2) | 3 mi |
| Everest Solar Systems | 4.0★ (2) | 3 mi |
| Freedom Solar | 1.5★ (2) | 7 mi |
| GHESolar Company San Diego | 5.0★ (2) | 10 mi |
| GoSolar Homegrid San Diego | 5.0★ (2) | 16 mi |
| M Bar C Construction | 4.1★ (16) | In San Marcos |
| Makello | 3.0★ (2) | 17 mi |
| New Era Electric | 1.0★ (1) | In San Marcos |
| Off Grid Solar Consulting | In San Marcos | |
| Phoenix Renewable Services | 3.0★ (2) | 7 mi |
| R E Pierro Roofing & Solar | 1.0★ (2) | 8 mi |
| SolarPanelsNTiles San Marcos | 5.0★ (2) | In San Marcos |
| Sunterra Solar Inc | 5.0★ (2) | 17 mi |
| T&R Window N Solar Cleaners | 5.0★ (2) | 16 mi |
| Tel Tech Plus | In San Marcos | |
| United Power Partners | 5.0★ (2) | 7 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 354 San Marcos 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 San Marcos 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 |