120 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Round Rock: 512 Solar, CR Score 93/100; 5.0★ from 515 Google reviews; open 24/7.
Best for emergencies (open 24/7): Solar Service, posts 24/7 hours; ranked #2 of 120.
Most-reviewed: Freedom Power, 933 Google reviews at 4.5★, the most of 120 ranked; ranked #13.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
120 Round Rock solar installers are ranked here by CR Score, from 8 published factors. 13 are open 24/7, 69 open Saturdays and 35 open Sundays, based on posted hours. The median Google rating is 4.9★ across 120 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | 512 Solar | 93 | 5.0★ (515) | Austin, 18 mi away | 24/7 | Overall |
| 2 | Solar Service | 90 | 5.0★ (632) | Austin, 14 mi away | 24/7 | Emergencies |
| 3 | Energy Solar Experts | 88 | 4.9★ (101) | Round Rock | Sat · Sun · Evenings | — |
| 4 | Air Central | 87 | 5.0★ (404) | Austin, 8 mi away | 24/7 | — |
| 5 | Aura Solar And Roofing | 87 | 4.9★ (86) | Brushy Creek, 7 mi away | Sat · Sun · Evenings | — |
| 6 | Sun Gun | 86 | 4.9★ (120) | Brushy Creek, 13 mi away | Sat · Sun · Evenings | — |
| 7 | Optimum Solar USA | 86 | 4.7★ (156) | Austin, 12 mi away | Sat · Sun · Evenings | — |
| 8 | Greenbelt Solar | 85 | 4.9★ (122) | Austin, 21 mi away | Sat · Sun · Evenings | — |
| 9 | Divergent Solar | 85 | 4.9★ (60) | Austin, 13 mi away | Sat · Sun · Evenings | — |
| 10 | Sol Tech Roofing & Solar | 84 | 4.9★ (34) | Austin, 10 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and availability: 5.0★ from 515 Google reviews, open 24/7.
Based in Austin, 14 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 632 Google reviews, open 24/7.
Based in Round Rock
Ranked #3 because of its Google rating and trade focus: 4.9★ from 101 Google reviews, listed on Google as “Solar energy company”.
Based in Austin, 8 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 404 Google reviews, open 24/7.
Based in Brushy Creek, 7 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 86 Google reviews, listed on Google as “Solar energy company”.
Based in Brushy Creek, 13 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 120 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Austin, 12 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 156 Google reviews, listed on Google as “Solar energy company”.
Based in Austin, 21 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 122 Google reviews, listed on Google as “Solar energy system service”.
Based in Austin, 13 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “Solar energy company”.
Based in Austin, 10 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Solar energy company”.
Based in Alief, 6 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based in Pflugerville, 4 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy system service”.
Based in Austin, 21 mi away
Ranked #13 because of its Google rating and trade focus: 4.5★ from 933 Google reviews, listed on Google as “Solar energy company”.
Based in Round Rock
Ranked #14 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Solar energy company”.
Based in Round Rock
Ranked #15 because of its Google rating and availability: 4.8★ from 22 Google reviews, open 24/7.
Based in Austin, 10 mi away
Ranked #16 because of its Google rating and trade focus: 4.2★ from 123 Google reviews, listed on Google as “Solar energy company”.
Based in Leander, 13 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 67 Google reviews, open 24/7.
Based in Leander, 11 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Solar energy company”.
Based in Austin, 18 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 25 Google reviews, open 24/7.
Based in Austin, 9 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Solar energy company”.
Based in Austin, 7 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy system service”.
Based in Austin, 21 mi away
Ranked #22 because of its Google rating and availability: 3.8★ from 13 Google reviews, open 24/7.
Based in Austin, 27 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Solar energy system service”.
Based in Round Rock
Ranked #24 because of its Google rating and trade focus: 4.6★ from 356 Google reviews, listed on Google as “Solar energy company”.
Based in Austin, 17 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Solar energy company”.
Typical prices in USD, adjusted for Texas with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $25,490 | $28,830 | $31,360 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.93 West South Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 120 Round Rock 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 Round Rock 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 |