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We always welcome opportunities to collaborate with individuals, businesses or municipalities interested in accelerating the adoption of clean, renewable energy. Provide us with some context about your project, idea, or subject of general interest below, and we will connect you with the approrpiate iSun team member for your query.

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Customer Support:

(866) 666-4786  

General Inquiries:

(802) 658-3378



iSun, Inc.
400 Avenue D, Suite 10
Williston, Vermont 05495


Below are a list of frequently asked questions about solar for commercial or residential applications. Don’t see what you’re looking for? Use the fields above, and we’ll connect you with an iSun professional who’ll apply our 50+ years of experience to your solar project.

Solar provides two principal benefits for homeowners and businesses:

1.) Financial Benefits. By installing a solar energy system on your property, you save money on your electricity bills, and protect yourself against rising energy costs in the future. While the amount you’ll save typically depends on the utility rates and solar policies in your area, going solar is a smart investment regardless of where you live. Skeptical? Consider the following: a home or small business that consumes $200 in electricity each month will spend almost $30,000 on electricity over the next 10 years. Investing in a solar array can reduce these costs, minimize (if not eliminate) electricity costs incurred outside of this window, and future-proof your property and/or business against increases in electricity rates.

2.) Environmental Benefits. Going solar has many environmental and health benefits. Unlike other forms of electricity generation, solar produces neither emissions nor particulate matter, both of which contribute to climate change and can cause health problems.

While the process of residential and small commercial solar installation can initially feel intimidating, iSun’s family of residential and commercial solar brands make the transition easy and affordable. From planning and financing, through permitting, design, engineering and construction, we make sure that every step of your solar process is smooth and hassle free at each and every step of the process. Here’s how it works:

1. We Visit Your Home. One of our Solar Home Advisors works with you to determine which solar option is the right fit for you.

2. We Design Your System. A Solar Site Evaluator visits to collect all of the technical details. Then, our solar engineers match the highest quality equipment to your home or businesses energy needs.

3. We Line Up Your Financing. We offer low interest rates that work for you at no upfront cost.

4. We Manage Your Solar Project. Our project coordinators handle everything: they submit your permit paperwork, coordinate with your utility, order your equipment, and send out a team of installers and certified electricians to install your system.

5. You Flip the Switch and Celebrate! Our installation teams install most systems in just one or two days! We walk through your system with you, answer your questions, and plan your solar celebration party!

iSun’s mission is to accelerate the adoption of solar. You can’t do that without tearing down the first barrier to solar adoption – cost. Because of our scale (we work on projects capable of powering cities with 60,000 residents), iSun can purchase solar array materials at a discount other installers can’t…and pass along the savings to small businesses and homeowners. Additionally, our residential and commercial divisions offer no-upfront-cost options. Contact us to learn more about how we can help reduce the barrier of entry to solar for you.

Net metering is the system that utilities use to credit solar energy system owners for the electricity produced by their solar panels. With net metering, you only pay for the electricity that you use beyond what your solar panels can generate. Because net metering policies differ from state to state, we recommend that you contact an iSun team member to understand how these policies may affect you and your prospective project.

Put simply: studies have shown that homes and commercial buildings equipped with solar sell for more than those without. Why? Solar allows owners and occupants to reduce or eliminate electricity bills, making them more attractive places to live, work and own.

Contact an iSun team member today to determine whether your property is appropriate for solar.

The electrification of everything is happening Help us accelerate the World’s transition to solar energy.

Are you ready to be a part of it?