Valley Solar is Western Massachusetts highest-rated and fastest-growing solar energy company earning the most 5-star reviews and consumer awards, hands down. Our success is built on the following principles: Personalized Service: Customers work directly with company owners who oversee all projects. So you get real answers and your project stays on time and on budget. Accountable: We don’t outsource. Your installation, electrical work and warranty stays in-house with our expert team. Each job is overseen by one of our own master electricians. So you can be confident you are getting the highest level of expertise. And all of our electricians are trained and certified in battery storage installations.Valley Solar 15 year warranty Dependable: Our standard warranty covers workmanship and roof penetrations for 15-years. We also provide a 95% production guarantee. Easy to Work With and Affordable: Get started with a no-hassle Easy Quote