37 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mount Pleasant: Live Oak Energy Systems, CR Score 86/100; 4.9★ from 104 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Flowertown Solar Systems, posts 24/7 hours; ranked #6 of 37.
Most-reviewed: SunPower®, 465 Google reviews at 4.3★, the most of 37 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
37 Mount Pleasant solar installers are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 19 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.9★ across 37 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Live Oak Energy Systems | 86 | 4.9★ (104) | Ladson, 20 mi away | Sat · Sun · Evenings | Overall |
| 2 | U.S. Renewable Power | 84 | 4.9★ (78) | Charleston, 5 mi away | Sat · Evenings | — |
| 3 | Second Sunrise Solar | 83 | 4.9★ (53) | Charleston, 3 mi away | Sat · Evenings | — |
| 4 | Primitive Success Group | 82 | 5.0★ (11) | Charleston, 4 mi away | Sat · Sun · Evenings | — |
| 5 | SunPower® | 82 | 4.3★ (465) | North Charleston, 15 mi away | Sat · Evenings | Most reviews |
| 6 | Flowertown Solar Systems | 81 | 4.6★ (9) | Summerville, 24 mi away | 24/7 | Emergencies |
| 7 | Legacy Solar Solutions | 81 | 5.0★ (33) | Charleston, 10 mi away | Sat · Evenings | — |
| 8 | SCSP Solar | 81 | 4.6★ (46) | Charleston, 4 mi away | Sat | — |
| 9 | MasterRoof Contracting | 81 | 4.8★ (25) | Charleston, 2 mi away | 24/7 | — |
| 10 | Boss Energy | 81 | 4.9★ (139) | Charleston, 9 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 104 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 5 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 3 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 53 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 4 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 15 mi away
Ranked #5 because of its Google rating and review volume: 4.3★ from 465 Google reviews, the most Google reviews on this list (465).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Summerville, 24 mi away
Ranked #6 because of its Google rating and availability: 4.6★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 10 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 4 mi away
Ranked #8 because of its Google rating and trade focus: 4.6★ from 46 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 2 mi away
Ranked #9 because of its Google rating and availability: 4.8★ from 25 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 9 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 139 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 13 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 1 mi away
Ranked #12 because of its Google rating and trade focus: 4.4★ from 268 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 4 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Charleston, 1 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 19 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 7 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Charleston, 4 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 8 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 44 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 9 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 13 mi away
Ranked #19 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Charleston, 6 mi away
Ranked #20 because of its Google rating and trade focus: 4.3★ from 56 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 8 mi away
Ranked #21 because of its Google rating and review volume: 4.8★ from 79 Google reviews, 79 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 15 mi away
Ranked #22 because of its Google rating and trade focus: 4.4★ from 77 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 9 mi away
Ranked #23 because of its Google rating and review volume: 4.4★ from 349 Google reviews, 349 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 8 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ansonia, 31 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Typical prices in USD, adjusted for South Carolina 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 37 Mount Pleasant solar installers on 8 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. Unknown factors are left out of the score, 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 Mount Pleasant data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |