14 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in California: Energy Select, CR Score 62/100; 4.8★ from 134 Google reviews.
Best for emergencies (open 24/7): MARASUN, posts 24/7 hours; ranked #2 of 14.
Most-reviewed: MARASUN, 146 Google reviews at 5.0★, the most of 14 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
14 California solar installers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 8 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 14 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Energy Select | 62 | 4.8★ (134) | California | — | Overall |
| 2 | MARASUN | 57 | 5.0★ (146) | Easton, 37 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Skywave Solar | 57 | 4.5★ (15) | California | — | — |
| 4 | Solar 4 Heroes | 55 | 5.0★ (22) | Glassboro, 32 mi away | Sat · Evenings | — |
| 5 | Grounded Solar | 55 | 4.8★ (6) | California | — | — |
| 6 | Solar Geeks LLC | 55 | 4.7★ (20) | Waldorf, 31 mi away | Sat · Evenings | — |
| 7 | Elite Builders | 55 | 5.0★ (88) | Waldorf, 31 mi away | Sat · Sun | — |
| 8 | Solar Nosh | 53 | 5.0★ (3) | Annandale, 36 mi away | 24/7 | — |
| 9 | Schmidt's Electrical Service LLC | 53 | 4.7★ (59) | Fort Washington, 40 mi away | 24/7 | — |
| 10 | Potomac Shoring & Enterprises Inc. | 51 | 5.0★ (4) | Accokeek, 31 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: 4.8★ from 134 Google reviews, listed on Google as “Solar energy company”.
Based in Easton, 37 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 146 Google reviews, the most in California.
Based in California
Ranked #3 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based in Glassboro, 32 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Solar energy company”.
Based in California
Ranked #5 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Solar energy company”.
Based in Waldorf, 31 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 20 Google reviews, listed on Google as “Solar energy company”.
Based in Waldorf, 31 mi away
Ranked #7 because of its Google rating and review volume: 5.0★ from 88 Google reviews.
Based in Annandale, 36 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based in Fort Washington, 40 mi away
Ranked #9 because of its Google rating and review volume: 4.7★ from 59 Google reviews.
Based in Accokeek, 31 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar energy system service”.
Based in Glen Allen, 40 mi away
Ranked #11 because of its Google rating and review volume: 5.0★ from 76 Google reviews.
Based in Accokeek, 31 mi away
Ranked #12 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Arbutus, 40 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 65 Google reviews.
Based in Chamblee, 34 mi away
Ranked #14 because of its Google rating and trade focus: 1.3★ from 3 Google reviews, listed on Google as “Solar energy company”.
3 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 |
|---|---|---|
| Green Street Solar | 38 mi | |
| Potomac Solar Systems INC | 31 mi | |
| SRC Construction and Solar | 5.0★ (1) | In California |
Typical prices in USD, adjusted for Maryland with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $27,400 | $30,990 | $33,710 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.00 South Atlantic factor (2025 Cost vs. Value Report) | October 2026 |
We scored 14 California 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 California 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 |