50 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Unionville: SunPower®, CR Score 56/100; 4.5★ from 407 Google reviews; open Saturdays until 10 PM.
Best for emergencies (open 24/7): Bluewhale Powerwash LLC, posts 24/7 hours; ranked #6 of 50.
Most-reviewed: Palmetto Solar, 2,831 Google reviews at 4.2★, the most of 50 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
50 Unionville solar installers are ranked here by CR Score, from ten published factors. 8 are open 24/7, 30 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.8★ across 50 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | SunPower® | 56 | 4.5★ (407) | Charlotte, 20 mi away | Sat · Evenings | Overall |
| 2 | TayCo Electric & Solar Inc. | 56 | 4.9★ (118) | Indian Trail, 8 mi away | — | — |
| 3 | Palmetto Solar | 56 | 4.2★ (2,831) | Charlotte, 22 mi away | Evenings | Most reviews |
| 4 | Top Tier Solar Solutions | 55 | 4.1★ (1,579) | Charlotte, 24 mi away | Sat · Evenings | — |
| 5 | Renu Energy Solutions | 55 | 4.6★ (554) | Charlotte, 23 mi away | — | — |
| 6 | Bluewhale Powerwash LLC | 55 | 5.0★ (192) | Mint Hill, 17 mi away | 24/7 | Emergencies |
| 7 | Sun Service Specialists | 55 | 4.8★ (275) | Charlotte, 23 mi away | — | — |
| 8 | Alpha Energy | 55 | 4.7★ (104) | High Point, 32 mi away | Sat · Sun · Evenings | — |
| 9 | Elite Roof and Solar - Charlotte | 55 | 4.9★ (76) | Charlotte, 20 mi away | 24/7 | — |
| 10 | Elite Roof and Solar | 54 | 5.0★ (159) | Davidson, 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: 4.5★ from 407 Google reviews, listed on Google as “Solar energy company”.
Based in Indian Trail, 8 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 118 Google reviews, listed on Google as “Solar energy company”.
Based in Charlotte, 22 mi away
Ranked #3 because of its Google rating and review volume: 4.2★ from 2,831 Google reviews, the most in Unionville.
Based in Charlotte, 24 mi away
Ranked #4 because of its Google rating and trade focus: 4.1★ from 1,579 Google reviews, listed on Google as “Solar energy company”.
Based in Charlotte, 23 mi away
Ranked #5 because of its Google rating and trade focus: 4.6★ from 554 Google reviews, listed on Google as “Solar energy company”.
Based in Mint Hill, 17 mi away
Ranked #6 because of its Google rating and review volume: 5.0★ from 192 Google reviews.
Based in Charlotte, 23 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 275 Google reviews, listed on Google as “Solar energy company”.
Based in High Point, 32 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 104 Google reviews, listed on Google as “Solar energy company”.
Based in Charlotte, 20 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “Roofing contractor”.
Based in Davidson, 35 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 159 Google reviews, listed on Google as “Roofing contractor”.
Based in Charlotte, 18 mi away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 32 Google reviews, listed on Google as “Solar energy company”.
Based in Charlotte, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 75 Google reviews, listed on Google as “Solar energy company”.
Based in Charlotte, 22 mi away
Ranked #13 because of its Google rating and trade focus: 4.5★ from 91 Google reviews, listed on Google as “Solar energy company”.
Based in Charlotte, 21 mi away
Ranked #14 because of its Google rating and trade focus: 4.5★ from 58 Google reviews, listed on Google as “Solar energy company”.
Based in Concord, 17 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Solar energy company”.
Based in Belmont, 32 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar energy company”.
Based in Charlotte, 10 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 525 Google reviews.
Based in Charlotte, 19 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Solar energy company”.
Based in Greer, 37 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 89 Google reviews, listed on Google as “Roofing contractor”.
Based in Matthews, 10 mi away
Ranked #20 because of its Google rating and review volume: 5.0★ from 122 Google reviews.
Based in Monroe, 7 mi away
Ranked #21 because of its Google rating and trade focus: 4.2★ from 18 Google reviews, listed on Google as “Solar energy system service”.
Based in Charlotte, 21 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Solar energy company”.
Based in Charlotte, 27 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Roofing contractor”.
Based in Davidson, 20 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy company”.
Based in Charlotte, 14 mi away
Ranked #25 because of its Google rating and review volume: 5.0★ from 165 Google reviews.
Typical prices in USD, adjusted for North 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 50 Unionville 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 Unionville 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 |