15 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Columbia: Astrawatt Solar of Nashville, CR Score 57/100; 4.8★ from 24 Google reviews; open Saturdays until 5 PM.
Best for emergencies (open 24/7): Music City Roofers, posts 24/7 hours; ranked #2 of 15.
Most-reviewed: Music City Roofers, 821 Google reviews at 4.7★, the most of 15 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Columbia solar installers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 8 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.9★ across 15 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Astrawatt Solar of Nashville | 57 | 4.8★ (24) | Columbia | Sat | Overall |
| 2 | Music City Roofers | 55 | 4.7★ (821) | Nashville, 38 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Dragon Scale Roofing | 52 | 4.7★ (188) | Nashville, 36 mi away | 24/7 | — |
| 4 | ReNew Solar Solutions | 52 | 4.9★ (80) | Nashville, 39 mi away | — | — |
| 5 | TN Off Grid Systems | 51 | 5.0★ (13) | Goodlettsville, 32 mi away | Sat | — |
| 6 | LightWave Solar, LLC | 51 | 4.6★ (73) | Brentwood, 36 mi away | — | — |
| 7 | Green Wave Solar | 51 | 5.0★ (39) | Murfreesboro, 38 mi away | — | — |
| 8 | Power Brite Exterior Services | 50 | 5.0★ (15) | Columbia | Sat | — |
| 9 | SolarEdge Innovations | 49 | 3.9★ (20) | Addison, 38 mi away | Sat · Evenings | — |
| 10 | Wegner Roofing & Solar | 49 | 5.0★ (7) | Franklin, 35 mi away | 24/7 | — |
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 24 Google reviews, listed on Google as “Solar energy company”.
Based in Nashville, 38 mi away
Ranked #2 because of its Google rating and review volume: 4.7★ from 821 Google reviews, the most in Columbia.
Based in Nashville, 36 mi away
Ranked #3 because of its Google rating and review volume: 4.7★ from 188 Google reviews.
Based in Nashville, 39 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “Solar energy company”.
Based in Goodlettsville, 32 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy system service”.
Based in Brentwood, 36 mi away
Ranked #6 because of its Google rating and trade focus: 4.6★ from 73 Google reviews, listed on Google as “Solar energy company”.
Based in Murfreesboro, 38 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Solar energy company”.
Based in Columbia
Ranked #8 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Addison, 38 mi away
Ranked #9 because of its Google rating and trade focus: 3.9★ from 20 Google reviews, listed on Google as “Solar energy company”.
Based in Franklin, 35 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Roofing contractor”.
Based in Clarksville, 39 mi away
Ranked #11 because of its Google rating and review volume: 5.0★ from 83 Google reviews.
Based in Pulaski, 27 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Dickson, 40 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Mechanical contractor”.
Based in Lewisburg, 18 mi away
Ranked #14 because of its Google rating and trade focus: 3.1★ from 21 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Nashville, 38 mi away
Ranked #15 because of its Google rating and trade focus: 1.9★ from 35 Google reviews, listed on Google as “Solar energy company”.
12 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 |
|---|---|---|
| Davis Hill Development | 39 mi | |
| Energy Electives LLC | 39 mi | |
| Energy Source Partners | 25 mi | |
| Energy Source Partners | 38 mi | |
| Helios Energy | 5.0★ (2) | 26 mi |
| Helios Energy | 24 mi | |
| IGS Nashville Solar Energy Solutions | 33 mi | |
| Lightwave Solar Electric | 40 mi | |
| Mr. Electric of Columbia, TN | 5.0★ (141) | In Columbia |
| Old City Solar Company | 36 mi | |
| Solar Alternatives Inc | 37 mi | |
| Solar Solutions Unlimited | 24 mi |
Typical prices in USD, adjusted for Tennessee with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $23,510 | $26,600 | $28,930 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.85 East South Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 15 Columbia 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 Columbia 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 |