Top 5 Solar Installation Companies for Homeowners in 2025
Compare the best residential solar installers for quality panels, strong warranties, and flexible financing. Save thousands with the right solar partner.
US Solar Homes
Federal Tax Credit
Average Cost
ROI Period
Home solar adoption is soaring as installation costs drop and incentives rise – 4.7 million solar energy systems are now operating in the U.S. (a 262% increase since 2016). For eco-minded homeowners, choosing the right solar provider is crucial to maximize financial savings and environmental impact.
In this guide, we spotlight the best residential solar installation companies of 2025. Whether you're looking for rooftop panels, battery storage add-ons, or the best warranty coverage, these companies offer strong track records and flexible financing options.
Find Your Solar Installer
Top Solar Installation Companies
SunPower
SunPower offers premium solar panels with industry-leading efficiency and the best warranty coverage available.
Pros
- ✓Industry-leading 25-year complete system warranty
- ✓Highest efficiency panels at 22.8% (Maxeon)
- ✓Premium quality with lowest degradation rate
- ✓Excellent customer service and monitoring app
- ✓In-house manufacturing ensures quality control
Cons
- •Most expensive option (20-30% premium)
- •Limited availability in some regions
- •Longer wait times due to high demand
Avg Cost/Watt
$3.5
Warranties
25yr complete
Experience
38 years
Installations
500,000
Tesla Energy
Tesla Energy offers affordable solar solutions with innovative technology like solar roof tiles and Powerwall integration.
Pros
- ✓Lowest price per watt in the industry
- ✓Innovative solar roof tiles option
- ✓Seamless Powerwall battery integration
- ✓Price match guarantee
- ✓Cutting-edge app and energy management
Cons
- •Customer service can be inconsistent
- •Limited customization options
- •Long installation timelines reported
Avg Cost/Watt
$2.5
Warranties
25yr complete
Experience
20 years
Installations
400,000
Momentum Solar
Momentum Solar provides full-service installations with personalized consultations and flexible financing options.
Pros
- ✓Personalized in-home energy consultations
- ✓Handles all permitting and paperwork
- ✓Comprehensive warranty coverage
- ✓Multiple financing options with $0 down
- ✓Free system monitoring
Cons
- •Not available nationwide
- •Some aggressive sales tactics reported
- •Prices vary significantly by region
Avg Cost/Watt
$2.95
Warranties
25yr complete
Experience
14 years
Installations
150,000
EnergySage Marketplace
EnergySage is an online marketplace that helps homeowners compare quotes from pre-screened solar installers.
Pros
- ✓Compare multiple vetted installers at once
- ✓Transparent pricing with apples-to-apples quotes
- ✓Save 10-20% through competitive bidding
- ✓Unbiased energy advisors available
- ✓No obligation to purchase
Cons
- •Not a direct installer
- •Quality depends on local installers
- •May receive many follow-up calls
Avg Cost/Watt
$2.75
Warranties
25yr complete
Experience
14 years
Installations
200,000
Sunrun
Sunrun is the largest residential solar installer offering flexible financing including innovative subscription plans.
Pros
- ✓Largest residential solar company in US
- ✓Solar-as-a-service with $0 down options
- ✓Brightbox battery for backup power
- ✓Free maintenance and monitoring
- ✓Transferable contracts for home sales
Cons
- •Lease terms can be complex
- •Not always the cheapest option
- •Limited availability in some states
Avg Cost/Watt
$3
Warranties
25yr complete
Experience
17 years
Installations
900,000
Estimate Your Solar Savings
Average System Cost
20-Year Savings
*Based on average electricity rates and 6% annual increase
Quick Comparison
| Company | $/Watt | Warranty | Coverage | Best For |
|---|---|---|---|---|
| SunPower | $3.5 | 25 years | Nationwide | Best Warranty |
| Tesla Energy | $2.5 | 25 years | Nationwide | Most Innovative |
| Momentum Solar | $2.95 | 25 years | 11 states | Best Service |
| EnergySage Marketplace | $2.75 | 25 years | Nationwide | Best Comparison |
| Sunrun | $3 | 25 years | 1 states | Largest Installer |
Frequently Asked Questions
How much does solar installation typically cost?
What's the difference between buying, leasing, and PPAs?
How do I know if my home is suitable for solar?
What warranties should I look for?
Should I wait for better solar technology?
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