Compare Local Pros Compare Local Pros
2026 RANKINGS

Best Solar Contractors in Folsom, CA

We compared 1 licensed solar contractors serving Folsom based on credentials, insurance, experience, and customer reviews.

Updated March 2026

1
Total Contractors
10.0
Avg. Years Licensed
1
With Workers' Comp
Folsom, California, nestled in the Sacramento metropolitan area at the base of the Sierra Nevada foothills, offers exceptional conditions for solar energy production. With approximately 269 sunny days per year and an average of 5.5 peak sun hours daily, Folsom homeowners are ideally positioned to benefit from solar installation. The city's commitment to sustainability, combined with California's aggressive renewable energy goals and favorable net metering policies, makes solar investment particularly attractive for local residents. Whether you live in the historic Folsom district near Sutter Street, the family-friendly neighborhoods of Folsom Ranch, or the established communities around Empire Ranch, solar energy can significantly reduce your electricity costs while increasing your property value.

Choosing the right solar contractor in Folsom requires careful consideration of multiple factors beyond just price. Sacramento County has specific permitting requirements, building codes, and inspection processes that qualified contractors must navigate. Additionally, Folsom's unique position—experiencing hot, dry summers with temperatures regularly exceeding 95°F and mild, wet winters—demands solar installations designed to withstand temperature extremes and occasional severe weather. Working with a properly licensed, insured, and experienced local contractor ensures your system will perform optimally for its expected 25-30 year lifespan while complying with all local regulations.

This comprehensive guide examines licensed solar contractors serving Folsom in 2026, providing detailed analysis of their credentials, customer satisfaction ratings, and service offerings. We've verified all contractor licenses through the California Contractors State License Board (CSLB), analyzed customer reviews from multiple platforms, and evaluated each company's experience, insurance coverage, and bonding. Our goal is to equip you with the information needed to make an informed decision about one of the most significant home improvements you'll undertake. Whether you're interested in rooftop solar panels, ground-mounted systems, battery storage integration, or complete energy independence solutions, this guide will help you identify the right contractor for your specific needs and budget.

Quick Comparison

# Contractor Rating Reviews Years Insured
1 Modernize Power 4.8 21 10 Yes

How We Ranked These Folsom Solar Contractors

Our ranking methodology combines objective licensing verification with comprehensive customer satisfaction analysis to provide Folsom homeowners with reliable contractor recommendations. We began by verifying each contractor's license status through the California Contractors State License Board database, confirming active C-10 (Electrical) or C-46 (Solar) licenses, which are required for solar installation work in California. We verified that each contractor maintains current workers' compensation insurance to protect homeowners from liability and confirmed bonding amounts meet or exceed state minimums of $25,000. These foundational requirements ensure every listed contractor operates legally and maintains financial responsibility.

We then analyzed customer reviews from Google and Yelp, examining both quantitative ratings and qualitative feedback. Our analysis considered overall star ratings, total review volume, review recency, and specific comments about project management, installation quality, communication, and post-installation support. We weighted recent reviews more heavily to reflect current service quality and examined detailed customer testimonials for patterns regarding professionalism, timeliness, problem resolution, and technical expertise. We also considered years of active licensing as an indicator of experience and business stability. Contractors with 10+ years of verified licensing history demonstrate sustained commitment to the solar industry through multiple market cycles and technology evolutions. This multi-factor approach provides a more complete picture than price comparisons alone, helping you identify contractors with proven track records of delivering quality solar installations in the Folsom area.

What to Look for in a Folsom Solar Contractor

When evaluating solar contractors in Folsom, license verification should be your first priority. California requires solar installers to hold either a C-10 (Electrical) or C-46 (Solar) contractor's license. Visit the CSLB website to verify the license is active, check for any disciplinary actions, and confirm the license classification covers the work you need. Equally important is insurance verification—contractors should carry general liability insurance and workers' compensation coverage. Request certificates of insurance and verify them directly with the insurance provider. These protections safeguard you from liability if workers are injured on your property or if installation errors cause damage.

Folsom-specific considerations include familiarity with Sacramento County's permitting process and local building codes. Solar installations require permits from the City of Folsom Community Development Department, and experienced local contractors will handle this process efficiently. They should understand setback requirements, fire access regulations for rooftop installations, and Sacramento Municipal Utility District (SMUD) interconnection procedures. SMUD's net metering program allows you to receive credit for excess solar production, but proper interconnection paperwork is essential. Ask contractors about their experience with SMUD's specific requirements and typical timeline for permission to operate.

Climate considerations are crucial for Folsom installations. Summer temperatures regularly exceed 95°F, which can reduce solar panel efficiency—quality contractors will account for this when sizing your system. They should specify panel mounting hardware designed to withstand high winds and properly flash roof penetrations to prevent leaks during winter rains. Ask about panel warranties, inverter specifications, and whether they recommend microinverters or string inverters for your specific roof configuration. Ground-mounted systems may be appropriate for properties with limited roof space or challenging roof orientations, particularly in neighborhoods like Empire Ranch with larger lots. Finally, discuss monitoring systems, battery storage options for backup power during SMUD outages, and long-term maintenance requirements to ensure your system performs optimally throughout its lifespan.

Detailed Contractor Reviews

#1

Modernize Power

License #1007601 • Folsom, CA

10 years licensed Workers' Comp ✓ $25,000 bond Active License ✓
4.8
21 reviews
View Profile
Modernize Power brings a decade of licensed solar installation experience to Folsom homeowners, operating under California contractor license #1007601 with full workers' compensation insurance and a $25,000 bond. Based locally in Folsom, this company demonstrates strong customer satisfaction with a 4.8-star Google rating across 21 reviews, reflecting consistent service quality. Their expertise extends beyond standard solar panel installation to include battery storage systems, whole-house generators, and comprehensive energy solutions, making them an excellent choice for homeowners seeking integrated backup power systems alongside solar production.

Customer reviews consistently praise the company's thorough sales process and technical expertise. One September 2024 reviewer specifically mentioned sales representative Eric's ability to properly size systems for actual household needs, noting their new solar and battery system produces expected energy levels. Multiple reviewers highlight the company's professional project management, with installations completed on schedule and within quoted budgets. Reviews from 2020-2022 detail successful installations of complex projects including 22KW Generac generators paired with 14.8KW Panasonic ground-mounted solar arrays using SolarEdge inverters and optimizers, demonstrating capability with both rooftop and ground-mounted configurations.

Modernize Power appears best suited for Folsom homeowners who value comprehensive energy solutions rather than solar panels alone. Their experience with battery backup systems and whole-house generators makes them particularly relevant for residents concerned about grid reliability or seeking complete energy independence. The company's decade of operation through various market conditions suggests business stability, while their local Folsom presence means familiarity with Sacramento County permitting and SMUD interconnection requirements. Homeowners should note that one 2020 review mentioned the company being "the most expensive by far," suggesting their pricing may be premium, though the reviewer still awarded 4 stars, indicating satisfaction with the delivered value. Contact them at (916) 293-5900 or visit their website at modernizepower.com for consultations.

How We Rank Contractors

Licensing & Insurance

Active CSLB license, workers' comp coverage, and bond amounts verified.

Experience

Years of licensed operation in California, demonstrating longevity.

Customer Reviews

Google & Yelp ratings weighted for consistent positive feedback over time.

Priority Score

Our algorithm combines all factors into a single score, updated regularly.

Our ranking methodology for Folsom solar contractors combines rigorous credential verification with comprehensive customer satisfaction analysis to provide homeowners with trustworthy recommendations. The evaluation process begins with California Contractors State License Board (CSLB) verification, where we confirm each contractor holds an active, appropriate license classification for solar installation work. California law requires solar contractors to possess either a C-10 (Electrical Contractor) or C-46 (Solar) license, and we verify not only current license status but also examine the entire licensing history for any disciplinary actions, license suspensions, or unresolved complaints. We also verify the date of initial licensure to determine years of experience operating as a licensed contractor in California.

Insurance and bonding verification forms the second critical component of our screening process. We confirm that contractors maintain active workers' compensation insurance, which protects homeowners from liability if workers are injured during installation. We also verify contractor bond amounts meet California's minimum requirement of $25,000, which provides financial recourse if contractors fail to complete work or violate contract terms. These protections are fundamental to homeowner safety and financial security, so contractors lacking proper insurance or bonding are excluded from consideration regardless of other qualifications.

Our customer satisfaction analysis examines reviews from Google and Yelp, platforms where customers voluntarily share detailed experiences. We analyze both quantitative metrics (star ratings, review volume) and qualitative content (specific comments about communication, workmanship, problem resolution, and professionalism). We weight recent reviews more heavily than older ones to reflect current service levels, while also examining long-term patterns across multiple years. Review volume matters—contractors with only a few reviews may not provide statistically meaningful insights, while those with dozens of reviews offer more reliable satisfaction indicators. We read complete reviews rather than just noting star ratings, looking for specific details about project management, technical competence, adherence to timelines and budgets, and responsiveness to questions or concerns.

We do not accept payment for rankings or listings, and we do not favor contractors who advertise with our platform. Our sole objective is providing Folsom homeowners with accurate, verified information to support informed decision-making. We encourage readers to use our analysis as a starting point, then conduct their own due diligence by requesting multiple quotes, checking references, verifying credentials independently, and asking detailed questions about equipment specifications, warranties, and installation processes before making final hiring decisions.

Frequently Asked Questions

How much does solar cost in Folsom?
Solar installation costs in Folsom typically range from $15,000 to $35,000 for a complete residential system before incentives, with the average homeowner paying approximately $2.50 to $3.50 per watt of installed capacity. A typical Folsom home requires a 6-8 kW system to offset significant electricity usage, translating to $15,000-$28,000 before incentives. However, the federal Investment Tax Credit (ITC) currently provides a 30% tax credit on solar installations, reducing effective costs by thousands of dollars. California's property tax exclusion for solar installations means your increased home value won't trigger higher property taxes. Folsom homeowners also benefit from Sacramento Municipal Utility District's net metering program, which credits excess solar production against future electricity consumption, improving return on investment. Ground-mounted systems or installations requiring significant electrical panel upgrades may cost more, while straightforward rooftop installations on newer homes with adequate panel capacity typically fall at the lower end of the range. Battery storage systems add $10,000-$15,000 to total project costs but provide backup power during outages. Always obtain detailed quotes from multiple licensed contractors, comparing equipment specifications, warranties, and financing options to determine true value rather than focusing solely on initial price.
Do I need a permit for solar work in Folsom?
Yes, solar panel installation in Folsom requires permits from the City of Folsom Community Development Department. Residential solar installations require both building permits and electrical permits to ensure installations meet California Building Code, National Electrical Code, and local fire safety requirements. Reputable contractors handle the entire permitting process as part of their service, including plan preparation, permit application submission, and coordination of required inspections. The permitting process typically takes 2-4 weeks, though timelines vary based on application completeness and city workload. Installations also require approval from Sacramento Municipal Utility District (SMUD) for grid interconnection before your system can operate. SMUD reviews your system design, installs a net meter, and provides permission to operate, typically within 2-4 weeks after installation completion. Working with experienced Folsom contractors familiar with local permit requirements ensures smoother project timelines and code-compliant installations. Never allow contractors to skip permitting—unpermitted work can result in fines, mandatory system removal, insurance complications, and difficulties selling your home.
What should I ask a solar contractor before hiring?
Start by requesting proof of California contractor license (C-10 or C-46 classification), current workers' compensation insurance, and general liability insurance. Verify these credentials independently through the CSLB website and by contacting insurance providers directly. Ask how long they've been installing solar in the Folsom area and request references from recent local projects you can contact. Inquire about their experience with Sacramento County permitting and SMUD interconnection procedures specifically, as local familiarity expedites projects and reduces complications.

Request detailed information about equipment specifications, including solar panel manufacturer and model, inverter type and brand, mounting hardware, and all warranties. Ask whether they use microinverters or string inverters and why they recommend one for your specific roof configuration. Inquire about panel efficiency ratings, temperature coefficients (important for Folsom's hot summers), and degradation rates over time. Discuss monitoring systems that will allow you to track production and identify problems quickly.

Clarify the complete project scope in writing: Who handles permitting? What does site preparation include? Will they upgrade your electrical panel if needed? How long will installation take? What does warranty coverage include, and who handles warranty service—the contractor or manufacturers directly? Ask about their typical timeline from contract signing to permission to operate. Finally, request multiple quotes including itemized costs, financing options, projected energy production for your specific property, and estimated payback periods. Compare total value rather than just upfront costs.
How do I verify a contractor's license in California?
Visit the California Contractors State License Board website at cslb.ca.gov and use the "License Search" tool on the homepage. You can search by contractor license number, business name, or individual name. The search results will display the license number, business name, license classification (verify it includes C-10 or C-46 for solar work), license status (must be "Active"), issue date, and expiration date. Click on the license number for detailed information including complete licensing history, any disciplinary actions, bonding information, and workers' compensation insurance status.

Pay particular attention to the "Complaints and Disciplinary Actions" section. While a single resolved complaint doesn't necessarily disqualify a contractor, patterns of violations or unresolved complaints warrant concern. Verify the license issue date to determine how long they've been licensed—newer licenses may indicate less experience. You can also call the CSLB Consumer Services Division at 800-321-CSLB (2752) to verify license status by phone or ask questions about a contractor's record. This verification process takes only a few minutes but provides crucial protection against unlicensed contractors who cannot legally perform solar work in California.
What's the best time of year for solar work in Folsom?
Folsom's Mediterranean climate makes solar installation feasible year-round, but spring (March-May) and fall (September-November) offer optimal conditions. These seasons provide mild temperatures that are comfortable for installation crews and minimize weather-related delays. Spring installation allows your system to begin producing during summer months when electricity demand and SMUD rates peak, maximizing immediate savings. Fall installation ensures your system is operational before winter, though Folsom's winter production is lower due to shorter days and occasional cloud cover.

Summer installations (June-August) are possible but present challenges—extreme heat affects crew productivity and scheduling, and high demand for solar installation may extend project timelines. However, summer can offer promotional pricing as contractors seek to maintain steady workloads. Winter installations (December-February) may experience delays from rain, though Folsom's relatively dry winters typically allow continued work. Many contractors offer lower pricing during slower winter months. Regardless of season, expect the complete process from initial consultation through permission to operate to take 2-4 months, including design, permitting, installation, and utility interconnection. Plan ahead and avoid waiting until you absolutely need the system operational, allowing flexibility to choose contractors based on quality rather than availability alone.
Selecting a qualified solar contractor represents one of the most important decisions in your solar journey, directly impacting system performance, installation quality, and long-term satisfaction. Folsom homeowners benefit from excellent solar conditions with abundant sunshine, supportive utility policies through SMUD's net metering program, and substantial federal and state incentives that improve solar economics. However, these advantages only materialize when working with properly licensed, insured, and experienced contractors who understand local permitting requirements, building codes, and climate considerations specific to the Sacramento area. The contractor profiled in this guide has demonstrated commitment to quality through verified credentials, positive customer feedback, and years of successful operation in the local market.

As you move forward with your solar project, remember that the lowest price rarely delivers the best value. Focus on comprehensive proposals that detail equipment specifications, warranty coverage, project timelines, and total costs including all necessary permits and interconnection fees. Request multiple quotes to compare not just pricing but also system design approaches, equipment quality, and contractor professionalism. Verify all credentials independently through the CSLB website, read recent customer reviews carefully, and ask detailed questions about every aspect of the installation process. A quality contractor will welcome your questions and provide clear, detailed answers that demonstrate expertise and transparency.

Compare Local Pros provides the research foundation you need to identify qualified solar contractors, but your due diligence completes the selection process. Use our verified contractor information as your starting point, then contact multiple companies to discuss your specific energy needs, property characteristics, and budget parameters. Request site evaluations to receive accurate system sizing and cost estimates tailored to your home's roof orientation, shading conditions, and electricity consumption patterns. With California's ambitious clean energy goals, excellent solar resources in Folsom, and financial incentives that significantly reduce net costs, solar installation offers compelling benefits for homeowners ready to invest in clean, renewable energy. Take the time to choose your contractor carefully, and you'll enjoy decades of reliable solar production and substantial electricity savings.

Related Pages

Data Sources: License information from California CSLB. Ratings and reviews from Google. Rankings updated regularly.

This ranking is based on publicly available information and our proprietary scoring algorithm. We recommend getting multiple quotes and verifying all credentials directly before hiring.

Get in Touch

Have questions or feedback? We'd love to hear from you.