The Right Way To Go Solar

In-house highly trained installers and the latest solar equipment to ensure you maximize your finances.

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Solar Panel Installation

Our quality is seen through our customer’s 316+ Positive Reviews written around the web.

  • American made solar panels
  • 25+ years of experience
  • Professional roofers & PV installers
  • Affordable financing
  • 25 year system guarantee by the manufacturer 
  • Outstanding customer service
Solar Panel

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Save With Solar Energy

Whether you want standard residential solar panels, or want to increase the efficiency and reduce the bills of your commercial structure, we’re the team to call. At Grandmark Energy, we offer solar panel systems at affordable prices for any client. We have a great deal of expertise in the design of systems to fit the roof of almost any structure.

In the rare event that a client’s roof cannot support solar panels, we offer a range of additional services to help improve their home’s energy efficiency.

How Much Solar Installation Cost?

Average Cost: $10,434 – 16,487. Use Grandmark calculator below to estimate your project.

    5 star review  Dealt with Carlos. He was very informative and friendly from day 1. He was able to see me right away and I loved that he came prepared with a slide... read more

    thumb Anna Pimentel

    5 star review  I really was impressed with the response time when I sent the initial request for a estimate appointment, having someone come out to look at my roof to having the... read more

    thumb Vickie Vaughan

    5 star review  I want to state I did not know anyone at Grandmark before I started the process. Justin was communicative during the whole process of the roof installation. His crew was... read more

    thumb Lloyd Pratt


Solar Panel Services

If you want the benefits of expertly installed and serviced solar panels in Sacramento, Fresno, Bay Area and Modesto, Grandmark Energy is the team to choose. We have more experience and a greater selection of solar panel products than any other company in California. Our company-wide goal, regardless of whether it’s with our general roofing services, or our solar panel systems, is to increase the energy efficiency of our clients’ homes and businesses. We believe in doing our part for the environment. Because of this, we take great pride in providing heightened energy efficiency for clients through solar panel installation.

We believe so much in the quality of our solar panel installation, that we offer a 25-year warranty on any system. Our team employs scalable methods and technology to create state-of-the-art systems for any client. Our track record proves that our systems last longer than those from any other installer. Furthermore, we offer a comprehensive range of supplementary services that can lower your utility bills even further. Call us today at (559) 492-3333 if you would like to learn more about our company, schedule service, or take advantage of a free consultation.

solar fresno

20,000+ Satisfied Customers

We have provided excellent services to thousands of customers, and we’d love for you to be able to experience the quality of our technicians!


Our team has extensive professional training and a solid skill set to handle your project.

Locally Owned

We are a local, family owned business and serve the greater Central and Northern California area.

100% Satisfaction

We are professionals and proud of our work. If you aren’t satisfied, let us know and we will make it right!

California's Leading Solar Company

As one of the top-rated solar companies in California, we specialize in helping homeowners and businesses do away with hefty utility bills in favor of solar energy. We offer extensive consultation, solar installation, and solar system design all across California. With over 22 years of experience in solar energy, our team has all the right know-how to make sure that your transition to solar power is smooth and helps you kick electrical bills to the curb. We are committed to providing the best level of service to our customers and offering a seamless experience as a top-rated local solar company

Our Guarantee

As one of the leading solar companies, we stand behind our products and services. This is why we provide a comprehensive 25-year warranty on our solar installation services and the solar panels themselves. We strive for excellence in every service and product that we offer. Which is why we make your transition towards solar energy a total breeze. Our experienced professionals will guide you through every step of the way. From helping you plan out the project to handling the project logistics to install solar panels and even helping you keep them clean and fine-tuned for the maxim energy savings – we’ll take care of every step of the way.

Solar Installation Services

Whether you’re looking to install solar panels for your home or update your existing solar panel system – we’ve got you covered. No matter the scale of the project, from residential to agricultural and corporate, we are one of the go-to solar panel installation companies in California.

Solar Panels and Energy-Efficient Technology

Among all of the solar companies, we provide the most diverse selection of solar panels. In addition to this, we also provide a wide range of other comprehensive products and services to help you achieve true energy efficiency and stop overpaying utility companies.

Solar System Maintenance & Home Improvement

Whether you’d like to fine-tune your existing solar panel configuration or refresh your roofing, we’ve got the skill-set and professional staff on hand to help you do so. Our expert team of contractors can help you turn your home or business facilities into an energy-efficient and sustainable power-hub.

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Financing Available – No Credit Required Programs!