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Best Solar Installers in Altoona, WI (2026)

5 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Altoona: Olson Solar Energy, CR Score 59/100; 4.9★ from 33 Google reviews.

  2. 3

    Best for emergencies (open 24/7): Roof Maxx of Eau Claire, WI, posts 24/7 hours; ranked #3 of 5.

  3. 3

    Most-reviewed: Roof Maxx of Eau Claire, WI, 19 Google reviews at 4.8★, the most of 5 ranked after Olson Solar Energy; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

5 Altoona solar installers are ranked here by CR Score, from ten published factors. 2 are open 24/7, 1 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.9★ across 5 rated businesses.

Most of this list also appears on the Solar installers in Eau Claire ranking. See Solar installers in Eau Claire

Top 5 solar installers in Altoona at a glance

Top 5 solar installers in Altoona at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Olson Solar Energy594.9★ (33)Altoona—Overall
2Next Step Energy585.0★ (9)Eau Claire, 2 mi away——
3Roof Maxx of Eau Claire, WI574.8★ (19)Chippewa Falls, 18 mi away24/7Emergencies, Most reviews
4Solar Chippewa Valley544.0★ (4)Chippewa Falls, 10 mi away——
5Eco Group, Inc.545.0★ (15)Chippewa Falls, 16 mi away24/7—

The 5 best solar installers in Altoona, 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.

  1. Ranked #1 in Altoona

    #1 Olson Solar Energy

    Based in Altoona

    59/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 33 Google reviews, the most in Altoona.

    • 4.9★ from 33 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    1003 Vernon St, Altoona, WI 54720
    View profile for Olson Solar Energy(715) 579-0474

  2. #2 Next Step Energy

    Based in Eau Claire, 2 mi away

    58/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 9 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    Address
    612 Wagner Ave, Eau Claire, WI 54703
    View profile for Next Step Energy(715) 830-9337

  4. #4 Solar Chippewa Valley

    Based in Chippewa Falls, 10 mi away

    54/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Solar energy company”.

    • 4.0★ from 4 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1204 Superior St, Chippewa Falls, WI 54729
    View profile for Solar Chippewa Valley(715) 720-5825

How much do solar installers cost in Altoona?

Typical prices in USD, adjusted for Wisconsin with a published regional index. Each row names its basis and month.

How much do solar installers cost in Altoona?
JobLowTypicalHighBasisChecked
Solar panel installation$26,020$29,430$32,010Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.95 East North Central factor (2025 Cost vs. Value Report)October 2026

How we ranked Altoona solar installers

We scored 5 Altoona 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Altoona data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Solar installers in Altoona: frequently asked questions

Who is the best solar installer in Altoona?

By CR Score, the highest-ranked solar installer in Altoona, WI is Olson Solar Energy with a CR Score of 59/100. It has 4.9★ from 33 Google reviews. Next Step Energy (#2) and Roof Maxx of Eau Claire, WI (#3) follow. We ranked 5 solar installers on ten factors, last updated October 23, 2026.

How many solar installers are there in Altoona?

ContractorsRanked ranks 5 solar installers serving Altoona, WI. 1 of them is based in Altoona; the rest serve it from nearby towns. Counts are as of October 2026.

Which solar installers in Altoona are open 24/7?

2 ranked solar installers in Altoona post 24/7 hours. The highest-ranked are Roof Maxx of Eau Claire, WI (#3) and Eco Group, Inc. (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Altoona work on weekends?

1 of 5 ranked solar installers post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays is Roof Maxx of Eau Claire, WI (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Altoona?

Solar panel installation typically costs $26,020 to $32,010, with $29,430 typical (Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.95 East North Central factor (2025 Cost vs. Value Report)). The range is adjusted for Wisconsin. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Altoona solar installers have?

The median Google rating among 5 rated solar installers in Altoona is 4.9★, with a median of 15 reviews. Olson Solar Energy has the most, 33 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 Altoona count in this ranking?

Yes, if they are within 40 mi of the Altoona 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 Altoona

  1. October 2026: CR Scores recalculated for 5 solar installers serving Altoona.

More solar installers and Altoona pages

Other trades in Altoona