60/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 66 Google reviews, the most in Cottage Grove.
- 5.0★ from 66 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 3395 W 7th Ave D, Eugene, OR 97402
Best Solar Installers in Cottage Grove, OR (2026)
11 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Cottage Grove: Mac's Batteries, CR Score 60/100; 5.0★ from 66 Google reviews.
- 8
Most-reviewed: LightHarvest Solar, 48 Google reviews at 4.7★, the most of 11 ranked after Mac's Batteries; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 Cottage Grove solar installers are ranked here by CR Score, from ten published factors. 4 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.6★ across 11 rated businesses.
Most of this list also appears on the Solar installers in Eugene ranking. See Solar installers in Eugene
Top 10 solar installers in Cottage Grove at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mac's Batteries | 60 | 5.0★ (66) | Eugene, 18 mi away | — | Overall |
| 2 | Advanced Energy Systems | 58 | 4.9★ (41) | Eugene, 18 mi away | — | — |
| 3 | Blue Sky Solar | 58 | 4.0★ (23) | Springfield, 18 mi away | Sat · Sun · Evenings | — |
| 4 | Energy Design | 58 | 4.6★ (44) | Eugene, 18 mi away | — | — |
| 5 | Smart Solar Energy Eugene Oregon | 56 | 4.4★ (7) | Eugene, 18 mi away | Sat · Sun | — |
| 6 | KVA Solar | 56 | 5.0★ (6) | Eugene, 22 mi away | Sat · Sun · Evenings | — |
| 7 | Smart Solar Energy Springfield Oregon | 54 | 4.7★ (3) | Eugene, 19 mi away | Sat · Sun | — |
| 8 | LightHarvest Solar | 53 | 4.7★ (48) | Eugene, 23 mi away | — | Most reviews |
| 9 | Grape Solar | 51 | 4.3★ (22) | Eugene, 18 mi away | — | — |
| 10 | Renaissance Roofing, Inc. | 49 | 4.6★ (21) | Eugene, 18 mi away | — | — |
The 11 best solar installers in Cottage Grove, 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 Eugene, 18 mi away
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 41 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 65 Centennial Loop, Eugene, OR 97401
Based in Springfield, 18 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.0★ from 23 Google reviews, listed on Google as “Solar energy company”.
- 4.0★ from 23 Google reviews
- Hours
- Mon–Sun 9 AM–9 PM
- Address
- 380 Q St, Springfield, OR 97478
Based in Eugene, 18 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.6★ from 44 Google reviews, listed on Google as “Solar energy system service”.
- 4.6★ from 44 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 860 Conger St #12, Eugene, OR 97402
Based in Eugene, 18 mi away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Solar energy company”.
- 4.4★ from 7 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
#6 KVA Solar
Based in Eugene, 22 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy system service”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 3514 River Rd, Eugene, OR 97404
Based in Eugene, 19 mi away
54/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 3 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
Based in Eugene, 23 mi away
53/100CR ScoreRanked #8 because of its Google rating and review volume: 4.7★ from 48 Google reviews.
- 4.7★ from 48 Google reviews
- Hours
- Mon–Fri 10 AM–5 PM · Sat–Sun closed
- Address
- 90900 Roberts Rd A5, Coburg, OR 97408
#9 Grape Solar
Based in Eugene, 18 mi away
51/100CR ScoreRanked #9 because of its Google rating and review volume: 4.3★ from 22 Google reviews.
- 4.3★ from 22 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2720 W 5th Ave, Eugene, OR 97402
Based in Eugene, 18 mi away
49/100CR ScoreRanked #10 because of its Google rating and review volume: 4.6★ from 21 Google reviews.
- 4.6★ from 21 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 3835 W 11th Ave Suite B, Eugene, OR 97402
Based in Springfield, 18 mi away
47/100CR ScoreRanked #11 because of its Google rating and review volume: 4.4★ from 9 Google reviews.
- 4.4★ from 9 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 4080 Commercial Ave, Springfield, OR 97478
How much do solar installers cost in Cottage Grove?
Typical prices in USD, adjusted for Oregon with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $29,770 | $33,680 | $36,640 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report) | October 2026 |
How we ranked Cottage Grove solar installers
We scored 11 Cottage Grove 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 23, 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 Cottage Grove 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 Cottage Grove: frequently asked questions
Who is the best solar installer in Cottage Grove?
By CR Score, the highest-ranked solar installer in Cottage Grove, OR is Mac's Batteries with a CR Score of 60/100. It has 5.0★ from 66 Google reviews. Advanced Energy Systems (#2) and Blue Sky Solar (#3) follow. We ranked 11 solar installers on ten factors, last updated October 23, 2026.
How many solar installers are there in Cottage Grove?
ContractorsRanked ranks 11 solar installers serving Cottage Grove, OR. Counts are as of October 2026.
Which solar installers in Cottage Grove work on weekends?
4 of 11 ranked solar installers post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Blue Sky Solar (#3), Smart Solar Energy Eugene Oregon (#5) and KVA Solar (#6). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Cottage Grove?
Solar panel installation typically costs $29,770 to $36,640, with $33,680 typical (Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report)). The range is adjusted for Oregon. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Cottage Grove solar installers have?
The median Google rating among 11 rated solar installers in Cottage Grove is 4.6★, with a median of 22 reviews. Mac's Batteries has the most, 66 reviews, and ranks #1. 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 Cottage Grove count in this ranking?
Yes, if they are within 40 mi of the Cottage Grove 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.
Can solar installers pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Cottage Grove
- October 2026: CR Scores recalculated for 11 solar installers serving Cottage Grove.
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