55/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 11 Google reviews
- Hours
- Mon–Sun 9 AM–8 PM
Best Solar Installers in Flat River, MO (2026)
9 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Flat River: Casa Del Solar, LLC, CR Score 55/100; 5.0★ from 11 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): Bates Electric, posts 24/7 hours; ranked #2 of 9.
- 2
Most-reviewed: Bates Electric, 1,366 Google reviews at 4.8★, the most of 9 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Flat River solar installers are ranked here by CR Score, from ten published factors. 1 is open 24/7, 4 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 5.0★ across 9 rated businesses.
Top 9 solar installers in Flat River at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Casa Del Solar, LLC | 55 | 5.0★ (11) | Farmington, 16 mi away | Sat · Sun · Evenings | Overall |
| 2 | Bates Electric | 55 | 4.8★ (1,366) | Arnold, 39 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Exceptional Energy Solutions | 50 | 5.0★ (17) | Barnhart, 37 mi away | — | — |
| 4 | Solarize | 49 | 5.0★ (5) | Festus, 28 mi away | — | — |
| 5 | Rumos Chem | 49 | 4.7★ (31) | Farmington, 6 mi away | — | — |
| 6 | IT Electric LLC | 48 | 5.0★ (6) | Bonne Terre, 5 mi away | Sat | — |
| 7 | five stars electric and solar LLC | 45 | 3.2★ (11) | East Saint Louis, 39 mi away | Sat · Evenings | — |
| 8 | Clean Smart USA | 44 | 5.0★ (24) | Battlefield, 36 mi away | — | — |
| 9 | Exceptional Electric | 43 | 5.0★ (16) | Arnold, 39 mi away | — | — |
The 9 best solar installers in Flat River, ranked
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.
Based in Arnold, 39 mi away
55/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 1,366 Google reviews, the most in Flat River.
- 4.8★ from 1,366 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2006 Sierra Pkwy, Arnold, MO 63010
Based in Barnhart, 37 mi away
50/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 1035 Frisco Hollows Rd, Imperial, MO 63052
#4 Solarize
Based in Festus, 28 mi away
49/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy system service”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 650 N Friedberg Dr, Herculaneum, MO 63048
#5 Rumos Chem
Based in Farmington, 6 mi away
49/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Electrician”.
- 4.7★ from 31 Google reviews
- Hours
- Mon–Fri 9 AM–6 PM · Sat–Sun closed
- Address
- 629 Maple Valley Dr ste 2010, Farmington, MO 63640
Based in Bonne Terre, 5 mi away
48/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–12 PM · Sun closed
- Address
- 416B Benham St, Bonne Terre, MO 63628
Based in East Saint Louis, 39 mi away
45/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.2★ from 11 Google reviews, listed on Google as “Electrician”.
- 3.2★ from 11 Google reviews
- Hours
- Mon–Wed 8 AM–8:30 PM · Thu–Fri 8:30 AM–8:30 PM · Sat 8:30 AM–4 PM · Sun closed
Based in Battlefield, 36 mi away
44/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Window cleaning service”.
- 5.0★ from 24 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
Based in Arnold, 39 mi away
43/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 16 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 3613 Telegraph Rd, Arnold, MO 63010
How much do solar installers cost in Flat River?
Typical prices in USD, adjusted for Missouri with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $26,570 | $30,060 | $32,700 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.97 West North Central factor (2025 Cost vs. Value Report) | October 2026 |
How we ranked Flat River solar installers
We scored 9 Flat River 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 Flat River 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 |
Solar installers in Flat River: frequently asked questions
Who is the best solar installer in Flat River?
By CR Score, the highest-ranked solar installer in Flat River, MO is Casa Del Solar, LLC with a CR Score of 55/100. It has 5.0★ from 11 Google reviews. It is open 7 days a week. Bates Electric (#2) and Exceptional Energy Solutions (#3) follow. We ranked 9 solar installers on ten factors, last updated October 22, 2026.
How many solar installers are there in Flat River?
ContractorsRanked ranks 9 solar installers serving Flat River, MO. Counts are as of October 2026.
Which solar installers in Flat River are open 24/7?
1 ranked solar installer in Flat River posts 24/7 hours. The highest-ranked is Bates Electric (#2). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in Flat River work on weekends?
4 of 9 ranked solar installers post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Casa Del Solar, LLC (#1), Bates Electric (#2) and IT Electric LLC (#6). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Flat River?
Solar panel installation typically costs $26,570 to $32,700, with $30,060 typical (Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.97 West North Central factor (2025 Cost vs. Value Report)). The range is adjusted for Missouri. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Flat River solar installers have?
The median Google rating among 9 rated solar installers in Flat River is 5.0★, with a median of 16 reviews. Bates Electric has the most, 1,366 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank solar installers?
Each solar installer gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do solar installers outside Flat River count in this ranking?
Yes, if they are within 40 mi of the Flat River city center, our service radius for solar installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Flat River
- October 2026: CR Scores recalculated for 9 solar installers serving Flat River.
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