34 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Irmo: Broker Solar, CR Score 92/100; 4.9★ from 103 Google reviews; open 24/7.
Best for emergencies (open 24/7): Southeast Energy Resources, posts 24/7 hours; ranked #5 of 34.
Most-reviewed: Sunpro Solar, 182 Google reviews at 3.8★, the most of 34 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
34 Irmo solar installers are ranked here by CR Score, from 8 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 34 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Broker Solar | 92 | 4.9★ (103) | Lexington, 6 mi away | 24/7 | Overall |
| 2 | SunPower® | 84 | 4.5★ (106) | Columbia, 2 mi away | Sat · Evenings | — |
| 3 | Sunpro Solar | 83 | 3.8★ (182) | Columbia, 8 mi away | Sat · Sun · Evenings | Most reviews |
| 4 | Palmetto Energy Solutions | 82 | 4.8★ (24) | Concord, 15 mi away | Sat · Sun · Evenings | — |
| 5 | Southeast Energy Resources | 81 | 5.0★ (15) | Charleston, 36 mi away | 24/7 | Emergencies |
| 6 | South Coast Solar | 80 | 4.7★ (50) | Columbia, 13 mi away | Sat | — |
| 7 | EcoGen America | 80 | 5.0★ (3) | Columbia, 10 mi away | 24/7 | — |
| 8 | Renu Energy Solutions | 79 | 4.7★ (105) | Columbia, 15 mi away | — | — |
| 9 | Poly Energy | 79 | 4.3★ (133) | Columbia, 1 mi away | — | — |
| 10 | Stellar Roofing and Solar - South Carolina | 79 | 4.9★ (8) | Columbia, 10 mi away | 24/7 | — |
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 availability: 4.9★ from 103 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
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 on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 8 mi away
Ranked #3 because of its Google rating and review volume: 3.8★ from 182 Google reviews, the most Google reviews on this list (182).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Concord, 15 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 36 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 13 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 10 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 15 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 105 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 1 mi away
Ranked #9 because of its Google rating and trade focus: 4.3★ from 133 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 10 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 10 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 11 mi away
Ranked #12 because of its Google rating and availability: 4.1★ from 22 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lexington, 11 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 10 mi away
Ranked #14 because of its Google rating and trade focus: 3.8★ 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 Cayce, 14 mi away
Ranked #15 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 11 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Indian Trail, 24 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Belmont, 36 mi away
Ranked #18 because of its Google rating and review volume: 4.7★ from 50 Google reviews, 50 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 10 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lexington, 12 mi away
Ranked #20 because of its Google rating and review volume: 4.3★ from 88 Google reviews, 88 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Columbia, 10 mi away
Ranked #21 because of its Google rating and trade focus: 4.0★ from 29 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lexington, 6 mi away
Ranked #22 because of its Google rating and review volume: 4.3★ from 32 Google reviews, 32 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 8 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 36 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Columbia, 14 mi away
Ranked #25 because of its Google rating and trade focus: 3.5★ from 8 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 34 Irmo 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 Irmo 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 |