12 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Chattanooga: Hanwha Q CELLS USA Inc., CR Score 81/100; 3.4★ from 46 Google reviews; open 24/7.
Best for emergencies (open 24/7): TCI Roofing and Solar, posts 24/7 hours; ranked #6 of 12.
Most-reviewed: Southern Energy Water & Air, 103 Google reviews at 4.5★, the most of 12 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
12 Chattanooga solar installers are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 5 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.5★ across 12 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Hanwha Q CELLS USA Inc. | 81 | 3.4★ (46) | Dalton, 32 mi away | 24/7 | Overall |
| 2 | Southern Energy Water & Air | 80 | 4.5★ (103) | Chattanooga | Sat · Evenings | Most reviews |
| 3 | Scenic City Solar | 80 | 4.7★ (23) | Chattanooga | — | — |
| 4 | Roofing & Solar Sales | 79 | 3.4★ (5) | Chattanooga | Sat · Sun · Evenings | — |
| 5 | Carbon Recall Chattanooga | 78 | 4.6★ (15) | Chattanooga | — | — |
| 6 | TCI Roofing and Solar | 78 | 5.0★ (10) | Keystone, 36 mi away | 24/7 | Emergencies |
| 7 | SUNMAXTECH | 77 | 3.4★ (5) | Dalton, 29 mi away | — | — |
| 8 | Volunteer Solar | 77 | 5.0★ (7) | Cleveland, 26 mi away | Sat | — |
| 9 | Qcells USA Inc. _ Eagle Plant (Dalton) | 76 | 3.0★ (22) | Dalton, 32 mi away | — | — |
| 10 | Northpoint Roofing Systems | 74 | 4.6★ (36) | Chattanooga | — | — |
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: 3.4★ from 46 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #2 because of its Google rating and review volume: 4.5★ from 103 Google reviews, the most Google reviews on this list (103).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #3 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #4 because of its Google rating and availability: 3.4★ from 5 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #5 because of its Google rating and trade focus: 4.6★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Keystone, 36 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dalton, 29 mi away
Ranked #7 because of its Google rating and trade focus: 3.4★ 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 Cleveland, 26 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dalton, 32 mi away
Ranked #9 because of its Google rating and trade focus: 3.0★ from 22 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Chattanooga
Ranked #10 because of its Google rating and review volume: 4.6★ from 36 Google reviews, 36 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #11 because of its Google rating and review volume: 4.3★ from 16 Google reviews, 16 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #12 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Electrical substation”.
Based on 6 of 8 factors; credentials and recency not yet collected.
20 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 |
|---|---|---|
| Adman Electric Co Inc | 4.4★ (25) | In Chattanooga |
| Beacon Electrical Services, LLC | 5.0★ (69) | In Chattanooga |
| Burell Built Roofing | 3.8★ (55) | In Chattanooga |
| CircuitSafe Electric Experts | 1.0★ (1) | In Chattanooga |
| Eldridge Service Company | 4.9★ (768) | In Chattanooga |
| Foster Electric | 4.9★ (819) | In Chattanooga |
| Geothermal Chattanooga | 4.0★ (4) | In Chattanooga |
| Groves Electrical Contractors | 4.4★ (13) | In Chattanooga |
| Langley Roofing | 4.8★ (1,362) | In Chattanooga |
| Lawson Electric Co | 4.3★ (55) | In Chattanooga |
| Mister Sparky | 5.0★ (32) | In Chattanooga |
| Pinnacle Home Improvements | 4.5★ (134) | In Chattanooga |
| PowerWave Electricians | 4.0★ (4) | In Chattanooga |
| Rivertech Heating & Air Conditioning | 4.8★ (466) | In Chattanooga |
| roofquotes.com - Roofing Company | 5.0★ (30) | In Chattanooga |
| Scenic City Heating and AC | 4.8★ (403) | In Chattanooga |
| Scenic City Skylights & Exteriors | 4.9★ (30) | In Chattanooga |
| Signal Energy | 4.0★ (10) | In Chattanooga |
| Total Quality Environmental | 5.0★ (2) | In Chattanooga |
| Tri State Electrical Contractors | 5.0★ (14) | In Chattanooga |
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 12 Chattanooga 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 Chattanooga 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 |