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Solar Installers · Tempe, AZ/Updated June 13, 2026

The Best Solar Installers in Tempe, AZ

Solar energy is a smart investment in Tempe's sunny climate. Our ranked list helps you find the best installers for your needs.

Editorially independent7 companies evaluated
cover story
★ Editor's ChoiceUnited Energy Partners
96Score
Latest update · June 13, 2026: Initial ranking published. 7 Tempe-metro solar installers businesses evaluated, top 7 ranked by Vetted Score.

Tempe's abundant sunshine makes solar energy a practical choice for homeowners looking to reduce utility bills and embrace sustainability. With the increasing demand for solar installations, it's essential to choose a reliable provider to maximize your investment.

We evaluated seven local solar installers based on their customer ratings and reviews. Our rankings reflect a commitment to transparency and quality, with no company paying for placement on this list.

7solar installers evaluated in Tempe
4.67average rating across the field
1.6Kcustomer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does solar installers cost in Tempe? See the price breakdown →

Our top picks

At a glance · three categories
★ Editor's Choice
96Score

United Energy Partners

★★★★★4.9(109 reviews)

With an impressive 4.9 rating from 109 reviews, United Energy Partners is a clear leader in Tempe's solar installation market.

Read full review
Best Value
95Score

ReGrid Energy Solutions

★★★★★5.0(37 reviews)

ReGrid Energy Solutions boasts a perfect 5-star rating from 37 reviews, making them a strong contender for value-driven customers.

Read full review
Most Reviewed
92Score

Inty Power

★★★★★4.6(721 reviews)

With a solid 4.6 rating from 721 reviews, Inty Power is one of the most reviewed solar installers in Tempe.

Read full review

All 7, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
United Energy Partners
United Energy Partners
Editor's Choice
96Score
4.9★★★★★
109Homeowners seeking reliability and experience
2
95Score
5.0★★★★★
37Budget-conscious consumers
3
Inty Power
Inty Power
Most Reviewed
92Score
4.6★★★★★
721First-time solar buyers
4
82Score
4.6★★★★★
441Detailed consultations
5
81Score
4.7★★★★★
95Homeowners seeking clarity
6
78Score
5.0★★★★★
1Early adopters
7
78Score
3.9★★★★★
234Budget-focused consumers
Methodology

How we evaluated all 7 solar installers.

To compile our rankings, we analyzed customer feedback, focusing on ratings and the volume of reviews across various platforms. We believe that a combination of high ratings and a significant number of reviews provides a clearer picture of a company's reliability and service quality.

Each business on our list was assessed using our proprietary Vetted Score, which ranges from 0 to 100. We refresh our evaluations monthly to ensure accuracy, allowing you to make informed decisions without any influence from the companies themselves.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

United Energy Partners

★★★★★4.9(109 reviews)
96Score

With an impressive 4.9 rating from 109 reviews, United Energy Partners is a clear leader in Tempe's solar installation market. Customers frequently highlight their professionalism and thoroughness during the installation process. They're best for homeowners seeking a reliable and experienced provider. However, their availability can sometimes be limited due to high demand.

Pros

  • Highly rated for professionalism
  • Experienced team
  • Great customer service

Cons

  • Limited availability
  • Higher pricing
Best forHomeowners seeking reliability and experience
Service areaTempe, AZ
Typical pricing$15,000 to $30,000
2
Best Value

ReGrid Energy Solutions

★★★★★5.0(37 reviews)
95Score

ReGrid Energy Solutions boasts a perfect 5-star rating from 37 reviews, making them a strong contender for value-driven customers. Reviewers praise their transparent pricing and efficient installations. They are ideal for those looking for affordable solar solutions without sacrificing quality. However, the limited number of reviews means their long-term performance is still somewhat untested.

Pros

  • Transparent pricing
  • Efficient installations
  • Perfect rating

Cons

  • Limited reviews
  • Newer company
Best forBudget-conscious consumers
Service areaTempe, AZ
Typical pricing$10,000 to $25,000
3
Most Reviewed

Inty Power

★★★★★4.6(721 reviews)
92Score

With a solid 4.6 rating from 721 reviews, Inty Power is one of the most reviewed solar installers in Tempe. Customers often commend their knowledgeable staff and comprehensive service offerings. They excel in providing detailed consultations for first-time solar buyers. One downside is that some customers have noted occasional delays in project completion.

Pros

  • Highly knowledgeable staff
  • Comprehensive service offerings
  • Strong customer feedback

Cons

  • Occasional project delays
  • Can be busy
Best forFirst-time solar buyers
Service areaTempe, AZ
Typical pricing$12,000 to $28,000
4

Capital Energy

★★★★★4.6(441 reviews)
82Score

Capital Energy holds a 4.6 rating from 441 reviews, showing a solid reputation among local customers. Many praise their thorough consultations and responsive customer service. They are a good choice for those wanting a detailed understanding of solar options. However, some customers report mixed experiences with installation timelines. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is detailed consultations. It serves Tempe, AZ, with $13,000 to $29,000 pricing, and the honest trade-offs are mixed installation timelines and higher pricing.

Pros

  • Responsive customer service
  • Thorough consultations

Cons

  • Mixed installation timelines
  • Higher pricing
Best forDetailed consultations
Service areaTempe, AZ
Typical pricing$13,000 to $29,000
5

Universal Solar Direct of Arizona

★★★★★4.7(95 reviews)
81Score

Universal Solar Direct of Arizona has a 4.7 rating from 95 reviews, indicating a positive customer experience. Reviewers appreciate their straightforward approach and competitive pricing. They are well-suited for homeowners looking for clarity in the solar installation process. However, their smaller review base means they are less proven compared to larger companies.

Pros

  • Straightforward process
  • Competitive pricing

Cons

  • Smaller review base
  • Less proven
Best forHomeowners seeking clarity
Service areaTempe, AZ
Typical pricing$11,000 to $24,000
6

Tempe Solar Panels

★★★★★5.0(1 reviews)
78Score

Tempe Solar Panels has a perfect 5-star rating from just 1 review, which is promising but unproven. They may appeal to those looking for a new option in the market. However, the lack of customer feedback makes it difficult to assess their reliability and service quality. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is early adopters. It serves Tempe, AZ, with $10,000 to $20,000 pricing, and the honest trade-offs are only one review and unproven track record.

Pros

  • Perfect rating
  • New option in the market

Cons

  • Only one review
  • Unproven track record
Best forEarly adopters
Service areaTempe, AZ
Typical pricing$10,000 to $20,000
7

On Point Solar Power

★★★★★3.9(234 reviews)
78Score

On Point Solar Power has a rating of 3.9 from 234 reviews, which indicates mixed customer experiences. While some clients appreciate their affordability, others have raised concerns about customer service and installation quality. This makes them a less reliable choice for those prioritizing service consistency. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is budget-focused consumers. It serves Tempe, AZ, with $9,000 to $22,000 pricing, and the honest trade-offs are mixed customer experiences and concerns about service quality.

Pros

  • Affordable options
  • Some positive feedback

Cons

  • Mixed customer experiences
  • Concerns about service quality
Best forBudget-focused consumers
Service areaTempe, AZ
Typical pricing$9,000 to $22,000
Before you book

How to choose a solar installer in Tempe

Selecting the right solar installer is crucial for a successful project. Here are three key questions to ask potential providers before making your choice.

What is your experience with local projects?

Understanding a provider's familiarity with Tempe's climate and regulations can impact the effectiveness of your solar installation.

Can you provide references from recent customers?

Hearing from other homeowners who have worked with the installer can give you insights into the quality of service and satisfaction.

What warranties do you offer?

Inquire about warranties on both equipment and installation to protect your investment over the long term.

What it costs

What solar installation costs in Tempe

Solar installation costs can vary based on system size, equipment, and installation complexity. Here's a general breakdown of what you might expect to pay in Tempe.

Small systems (up to 5 kW)$10,000 to $15,000, ideal for smaller homes or lower energy needs.
Medium systems (5 kW to 10 kW)$15,000 to $25,000, suitable for average-sized homes with moderate energy consumption.
Large systems (10 kW to 15 kW)$25,000 to $35,000, designed for larger homes or those with high energy demands.
Extra-large systems (15 kW and up)$35,000+, for extensive energy needs or commercial applications.

Frequently asked questions

How much does solar installation cost in Tempe?

Prices for solar installation in Tempe typically range from $15,000 to $25,000, depending on system size and complexity.

What should I look for in a solar installer?

Look for installers with strong ratings and reviews. Focus on their experience, warranty offerings, and the types of solar panels they recommend.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most Tempe homeowners: <strong>United Energy Partners</strong>

If you're looking for a reliable solar installer in Tempe, United Energy Partners is the clear choice with its impressive 4.9-star rating from 109 reviews. For those who prioritize a perfect rating with fewer reviews, ReGrid Energy Solutions at 5 stars from 37 reviews is an excellent alternative, especially for smaller projects. If you prefer a firm with extensive experience, consider Inty Power, which has a solid rating of 4.6 from 721 reviews, making it suitable for larger installations or those needing more comprehensive service.