EDGE Energy installs solar energy systems for commercial properties throughout the Maryland, Virginia and Washington, DC area. We have compiled commonly asked questions to help you find the answers you need about whether solar is the right solution for your commercial building.

Do solar panels require maintenance?

For solar systems installed in the Maryland, Virginia and Washington, DC area, there is barely any maintenance required. Occasionally, you may want to rinse off your panels or have a tune-up, but otherwise solar panels are exceptionally low-maintenance.

How dependable are solar panels?

With few moving parts, solar panels are extremely dependable. With the introduction of inverters that don’t require transformers, there are essentially no serviceable pieces for a solar power system, making them a reliable and convenient energy solution.

How useful would solar panels be for my building?

The general consensus is that your building needs about 1,000 square feet of unobstructed roof space for every $2,000 in annual savings received. As an example, let’s imagine you have an annual electricity bill of $50,000 and would like to offset the entire bill. You would need to have 25,000 square feet of clear roof space to generate those savings with solar panels.

In order for solar panels to live up to their energy-generating potential, several factors need to be taken into consideration. EDGE Energy can perform a site evaluation and an analysis of your utility rate to generate an appropriate system size and savings estimate.

How long do solar power systems last?

The SunPower solar panels we install are built and engineered to have the lifespan of several decades. SunPower offers a 25-year warranty on every new solar system purchase or lease and includes parts, labor, power and installation. On top of the SunPower warranty, we provide a 25-year warranty on our labor. With these two warranties, your solar power system will last for years to come.

What is the return on investment for a solar panel installation?

The payback for your solar panel installation is the number of years it will take for the system to generate enough energy savings and tax incentives to pay for the initial investment. If your commercial system was to cost $100,000, get $50,000 in tax incentives and produce $15,000 in annual utility savings per year, it would have a payback of 3.3 years.

The return on investment of your commercial solar installation is calculated by taking the net solar investment and dividing it by the aggregate savings over 25 years. To illustrate, imagine your actual investment in a $100,000 solar installation after tax incentives is $50,000. If this solar system generates $300,000 in savings over 25 years, your ROI would be right around 17%.

Contact us or call (888) 586-3343 today if you have any questions regarding commercial solar systems!

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(888) 586-3343


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Due to the health and safety of our employees and customers, EDGE will be operating with minimum staffing thru April 13. Feel free to contact our office at (888) 586-3343.