35 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Seven Oaks: Broker Solar, CR Score 65/100; 4.9★ from 103 Google reviews; open 24/7.
Best for emergencies (open 24/7): EcoGen America, posts 24/7 hours; ranked #8 of 35.
Most-reviewed: Sunpro Solar, 182 Google reviews at 3.8★, the most of 35 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
35 Seven Oaks solar installers are ranked here by CR Score, from ten published factors. 6 are open 24/7, 18 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.7★ across 35 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Broker Solar | 65 | 4.9★ (103) | Lexington, 3 mi away | 24/7 | Overall |
| 2 | SunPower® | 61 | 4.5★ (106) | Columbia, 2 mi away | Sat · Evenings | — |
| 3 | Sunpro Solar | 60 | 3.8★ (182) | Columbia, 6 mi away | Sat · Sun · Evenings | Most reviews |
| 4 | South Coast Solar | 58 | 4.7★ (50) | Columbia, 9 mi away | Sat | — |
| 5 | Renu Energy Solutions | 58 | 4.7★ (105) | Columbia, 13 mi away | — | — |
| 6 | Poly Energy | 58 | 4.3★ (133) | Columbia, 4 mi away | — | — |
| 7 | Palmetto Energy Solutions | 57 | 4.8★ (24) | Concord, 13 mi away | Sat · Sun · Evenings | — |
| 8 | EcoGen America | 55 | 5.0★ (3) | Columbia, 7 mi away | 24/7 | Emergencies |
| 9 | Southeast Energy Resources | 55 | 5.0★ (15) | Charleston, 33 mi away | 24/7 | — |
| 10 | SOLZA POWER - Solar + Roofing | 54 | 3.8★ (19) | Columbia, 7 mi away | Sat · Evenings | — |
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: 4.9★ from 103 Google reviews, listed on Google as “Solar energy system service”.
Based in Columbia, 2 mi away
Ranked #2 because of its Google rating and trade focus: 4.5★ from 106 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia, 6 mi away
Ranked #3 because of its Google rating and review volume: 3.8★ from 182 Google reviews, the most in Seven Oaks.
Based in Columbia, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia, 13 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 105 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia, 4 mi away
Ranked #6 because of its Google rating and trade focus: 4.3★ from 133 Google reviews, listed on Google as “Solar energy company”.
Based in Concord, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia, 7 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 Charleston, 33 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia, 7 mi away
Ranked #10 because of its Google rating and trade focus: 3.8★ from 19 Google reviews, listed on Google as “Solar energy company”.
Based in Lexington, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia, 8 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Solar energy company”.
Based in Gantt, 37 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based in West Columbia, 7 mi away
Ranked #14 because of its Google rating and trade focus: 4.0★ from 29 Google reviews, listed on Google as “Solar energy company”.
Based in Indian Trail, 20 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia, 7 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “Window installation service”.
Based in Columbia, 7 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Roofing contractor”.
Based in Lexington, 9 mi away
Ranked #18 because of its Google rating and review volume: 4.3★ from 88 Google reviews.
Based in Cayce, 12 mi away
Ranked #19 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia, 8 mi away
Ranked #20 because of its Google rating and review volume: 4.1★ from 22 Google reviews.
Based in Columbia, 7 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia, 12 mi away
Ranked #22 because of its Google rating and trade focus: 3.5★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based in Lexington, 3 mi away
Ranked #23 because of its Google rating and review volume: 4.3★ from 32 Google reviews.
Based in Cayce, 12 mi away
Ranked #24 because of its Google rating and trade focus: 3.4★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia, 9 mi away
Ranked #25 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Solar energy company”.
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 35 Seven Oaks 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 Seven Oaks 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 |