California Solar Installation Contractors
Find certified solar panel installation contractors in California. Compare local solar installers, explore state rebates, and get free quotes for residential and commercial solar systems.
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Top Contractors in California
Build Brothers Inc.
📍 San Diego, CA
Build Brothers Inc. is a family-owned and operated roofing and solar contractor based in San Diego, California, with over 20 years of experience serving residential and commercial customers throughout San Diego County. The company has earned a 5-star Google rating backed by more than 660 customer reviews and offers competitive pricing, financing options, and workmanship warranties. Their core services include solar panel installation, roofing, home battery storage including Tesla Powerwall systems, and HVAC solutions such as mini-split and forced-air systems. Build Brothers also offers combined solar and roofing packages as well as replacement windows. Customers can schedule a free inspection to get started. The company serves communities across San Diego County including Carlsbad, Chula Vista, El Cajon, and Encinitas, among other areas. Their hands-on approach includes navigating the planning and permitting process on behalf of homeowners. Battery storage systems allow customers to bypass power outages, retain solar energy production, and access additional tax benefits. Build Brothers positions themselves as a trusted local contractor dedicated to bringing solar savings and energy resilience to homes and businesses throughout the San Diego region, combining top-tier craftsmanship with exceptional customer service on every project.
SunMade Smart Roofing, Solar Fresno & Electric
📍 Fresno, CA
SunMade Smart Roofing, Solar Fresno & Electric is an award-winning company based in Fresno, California, positioning itself as the number one solar and roofing contractor in the area. The company provides four core services: solar installation, roofing, home battery storage, and system maintenance. Their solar installation offering helps homeowners generate renewable energy, while the roofing division handles the structural work that often accompanies a solar project, allowing customers to address both needs with a single contractor. Home battery storage systems enable clients to store excess solar energy for use during evenings or grid outages, adding a layer of energy reliability. The maintenance service supports the long-term performance of installed solar systems. By combining these disciplines, SunMade positions itself as an integrated home energy solution provider that reduces the complexity of transitioning to renewable energy. Fresno-area homeowners can request an instant quote online or reach the company directly by calling 559-258-1725.
SunFire Construction Inc
📍 Riverside, CA
SunFire Construction is a Southern California construction and home services company that combines solar energy work with a wide range of home improvement and construction trades. The company's solar services include solar repair and diagnostics for underproducing or offline systems, solar panel installation with planning that evaluates roof condition, panel placement, and electrical capacity, and battery storage for energy optimization. On the construction side, SunFire handles roofing repair and replacement with solar integration in mind, along with window installation, HVAC services, and main electrical panel upgrades. The company also takes on broader remodeling and construction projects, including whole-home remodeling, kitchen and bathroom remodeling, flooring, cabinets and countertops, and accessory dwelling unit planning and construction covering layout, utilities, access, and electrical service. For commercial clients, SunFire offers commercial construction and tenant improvements. Fire, water, and structural damage restoration and rebuilds are also available. A HomeCare monitoring plan provides ongoing system oversight. SunFire presents itself as a single team able to coordinate connected work across solar, electrical, roofing, HVAC, and construction trades for Southern California property owners.
US POWER Solar & Roofing
📍 Los Angeles, CA
US Power Solar and Roofing is a solar and roofing consultancy headquartered in Encino, California, serving homeowners and businesses across nine states including California, Texas, Florida, Pennsylvania, Illinois, Connecticut, New Jersey, Massachusetts, and New York. The company installs factory-direct Qcells solar panels backed by a 25-year performance warranty, offering both residential and commercial solar installations. For each customer, quotes are built around their state's specific net metering programs, tax incentives, and utility rates rather than national averages. Their solar services also include battery storage systems and EV chargers. On the roofing side, US Power offers residential and commercial roofing installations, new roof installation, and roof replacements, with a 10-year zero-leak guarantee on commercial projects. They additionally offer integrated commercial roofing and solar solutions for businesses. US Power operates as a brokerage and project management firm, working with leading solar manufacturers, and has been trusted by over 10,000 homeowners. Flexible financing options, a solar calculator for estimating energy usage, and bilingual service in English and Spanish are available to customers.
Nationwide Sun
📍 Rocklin, CA
Nationwide Sun is an environmental contracting company based in Rocklin, California, providing solar energy and related services to both residential and commercial customers across California. The company offers a broad portfolio of services including solar panel design and installation, battery backup systems, generator installation, residential EV chargers, commercial EV charging stations, electrical contracting, and roofing. For larger-scale projects, Nationwide Sun also works with commercial and industrial clients on comprehensive energy solutions. The company describes itself as science-driven, with a focus on renewable energy integration and sustainability across every project it completes — from initial design through installation and ongoing maintenance. Whether a customer is looking to reduce monthly utility costs, protect against power outages with backup power, add EV charging infrastructure, or address roofing and electrical needs alongside solar, Nationwide Sun handles all aspects under one contractor. The company serves both homeowners and businesses throughout California and can be contacted at 855-582-8453 or [email protected] to request an estimate.
Golden Rays Solar & Cleaning Co.
📍 Fresno, CA
Golden Rays Solar & Cleaning Co. serves Fresno, California and surrounding Fresno County with a wide range of solar and exterior services. Their solar offerings include panel installation, residential and commercial panel cleaning, solar bird proofing, solar repairs and maintenance, and solar plan designing and engineering. The bird proofing service uses galvanized critter guard installed without drilling into a single panel and carries a lifetime guarantee, addressing Fresno's well-established pigeon population that commonly nests under rooftop arrays. The company notes Fresno as its busiest market, handling projects from individual homes across Fresno County to larger installations such as carport arrays at Fresno State. Beyond solar, they also offer roof cleaning, gutter cleaning, and gutter installations. Golden Rays holds a 5.0 rating on Google with over 400 combined reviews across Google and Housecall Pro, an A+ rating with the BBB and Facebook, and is licensed and insured. They schedule seven days a week and extend their service area to nearby communities including Clovis, Madera, Kerman, Chowchilla, Sanger, Merced, and Los Banos.
Soltech Electric
📍 San Diego, CA
Soltech Electric is a San Diego-based solar energy company serving homeowners and commercial building owners throughout Southern California. The company was founded with the vision of helping clients reduce electricity bills through trusted, locally experienced professionals, and offers three core services: residential solar installations, commercial solar installations, and energy storage systems. Soltech handles solar projects on new development homes as well as existing residential properties and commercial buildings. With 21 years of electrical experience behind their work, the team takes a personalized approach to every project, aiming to maximize return on the client's investment while identifying solutions best suited to the customer's unique needs. Their completed projects include commercial solar carport installations and residential work in communities such as Escondido. Soltech is fully licensed and emphasizes transparent equipment selection, ensuring clients understand the options available to them before making a decision. The company is small and largely referral-driven, which allows staff to spend significant time with each customer. Prospective clients in San Diego and surrounding Southern California communities can reach Soltech Electric at (858) 351-2420.
Golden Rays Solar Cleaning Company LLC
📍 Clovis, CA
Golden Rays Solar Cleaning Company LLC is a licensed and insured solar services provider serving Clovis, California and the broader Central Valley region. The company holds a 5.0 rating on Google, more than 400 reviews across Google and Housecall Pro, and an A+ rating from the BBB. Operating seven days a week with flexible scheduling, Golden Rays Solar serves both residential and commercial clients throughout Clovis and surrounding areas including Fresno, Madera, Kerman, Chowchilla, Sanger, Merced, and Los Banos. In Clovis, their service offerings cover a wide range of solar and property maintenance needs: solar panel installation, solar panel cleaning, solar bird proofing, solar repairs and maintenance, bird control, residential and commercial solar panel cleaning, and solar plan designing and engineering. The company also provides roof cleaning, gutter cleaning, and gutter installations. Their bird proofing service is specifically designed to prevent pigeons and other birds from nesting beneath solar panels, protecting system efficiency and long-term performance. For new solar customers, Golden Rays Solar handles the full installation process and system design. The company's comprehensive approach makes it a single-source provider for both initial solar setup and ongoing maintenance, positioning them as a full-service option for Clovis homeowners and businesses looking to protect and optimize their solar investment.
Solar G
📍 Glendale, CA
Solar G is a licensed, 5-star rated California contractor serving homeowners and businesses in Glendale and surrounding areas. The company offers a comprehensive suite of energy services, including residential and commercial solar installation, Tesla Solar Roof integration, battery storage systems, EV charging for homes and businesses, and GAF-certified roofing. With more than 15 years of experience and over 500 completed projects, Solar G designs custom solar systems based on each property's specific energy needs and roof configuration. All engineering, planning, and permitting is handled internally, with the company coordinating directly with utilities and local municipalities so customers avoid administrative burdens. Financing options include Energy Service Agreements with no down payment, Power Purchase Agreements, solar leases, and direct purchase with competitive rates. Eligible homeowners may qualify for up to 40% in combined solar and battery incentives depending on their utility provider and location. Solar G holds a 5.0 Google rating and reports 98% customer satisfaction, with clients sourced primarily through Google Search and verified reviews. The company emphasizes transparent communication and full project management from the initial free consultation through system activation.
TN Electrical and Solar Services
📍 Milpitas, CA
TN Electrical and Solar Services is a Milpitas, California-based contractor specializing in clean energy and energy storage systems for residential customers. The company holds a C-10 Electrical classification and a C-46 Solar classification, and backs all work with a 10-year guarantee on craftsmanship. Their scope of work ranges from small grid-tied solar systems to large solar arrays paired with complex battery storage configurations, including ballast solar systems. In addition to solar panel installation and energy storage, TN Electrical and Solar Services handles electrical main panel upgrades, giving homeowners a single contractor for both electrical and solar work. The company positions itself as an independent broker in the solar industry, offering access to a variety of solar equipment brands and helping customers evaluate system sizing, equipment options, and the financial case for going solar. They offer competitive pricing and financing options, and emphasize a personalized consultation process to guide homeowners through decisions around system size, equipment selection, and available incentives including the federal 30% tax credit for systems installed by December 31, 2026. The company currently offers $1,000 off for existing TN clients adding battery storage. Customers can request a quote by calling (408) 229-3632.
Solar Discovery
📍 Los Angeles, CA
Solar Discovery is a full-service solar energy company powering Southern California, including Los Angeles. They provide residential and commercial solar installation, solar-integrated roofing using CertainTeed Solar Shingles, and standalone roof installation. Their battery division covers complete battery system installation, battery products, bidirectional charging, and California's SGIP Self-Generation Incentive Program rebate assistance. Beyond new installations, Solar Discovery delivers a comprehensive suite of ongoing services: solar panel maintenance and repair, panel removal and reinstallation, inverter and microinverter servicing, solar monitoring, and full system inspections, evaluations, and diagnostics. They also specialize in completing unfinished solar installations, with a dedicated resource for former SunPower customers seeking to finish their projects. Solar financing options are available through multiple lending partners. The company holds certifications from equipment and financing partners including Tesla, Enphase, SMA, and Sonnen. A services membership plan is offered for customers who want ongoing monitoring and maintenance support. Homeowners and businesses can use a free solar calculator on their website to estimate potential savings before requesting a free quote consultation.
Solar Source
📍 Long Beach, CA
Solar Source is a California-based solar installation company serving homeowners, commercial clients, and builders across Southern California and Nevada, with a dedicated service presence in Long Beach. Their residential offerings include standard solar panel installations, ADU solar systems for accessory dwelling units, custom home solar installations, battery storage solutions, EV charger installation, new construction and renovation solar projects, and solar system add-ons. For commercial clients, the company provides solar installation, battery storage, solar removal and reinstallation, and system upgrades. Solar Source also partners directly with builders on custom home solar projects, multi-unit and mixed-use commercial developments, and Title 24 compliance requirements. Beyond new installations, the company offers expert servicing of existing solar systems, national solar design consulting services, and ongoing service plans for maintenance needs. Financing options are available for customers. Geographically, Solar Source covers multiple markets across California, including Long Beach, the broader Los Angeles area, Newport Beach, and Orange County, as well as Nevada's Clark County. This broad service footprint positions Solar Source as a versatile provider capable of handling a wide range of residential, commercial, and builder-focused solar energy projects throughout the region.