With a loan, you can go solar with little to no upfront payment and lock in a fixed monthly solar electricity payment that is comparable to your current bill. For purchasing a system outright, most residential solar PV systems cost between $10,000–$20,000 (after rebates and tax incentives), which includes the cost of all materials, installation, freight, permit fees and sales tax.
The payback is typically 10–14 years, depending on if the system was purchased outright or financed.
Solar panels carry 25–year warranties, with life expectancies of 40+ years.
Standard solar panels have efficiencies ranging from 13%–16% and produce about 13–16 watts per square foot. Namasté Solar uses high‐efficiency LG, Hanwha Q.Cells, and SunPower panels that reach up to 22% efficiency and produce about 20 watts per square foot. Although efficiencies can reach up to 30% or more, the cost is usually prohibitive except for military or space applications.
The average residential system size is about 6–7 kW. That said, averages won’t help in sizing a solar system for your specific home or business any more than an “average” shoe size will help you find a comfortably fitting shoe.
Sizing a solar PV system involves careful consideration of three main factors:
(1) available sunny space where a system can be installed;
(2) a customer’s electricity consumption; and
(3) project budget.
With any grid‐tied system, the solar system will turn off during a utility power outage. You will experience power outages the same way you do now. This is a safety feature built into the inverters to prevent accidental back-feeding into the grid, which could endanger utility workers. When the utility grid is running again, your solar system will automatically turn back on and resume generating power and saving you money.
Very little, if any. Solar panels are relatively lightweight, so there are rarely any structural modifications required. Conduit and wire must be installed from the solar panels to the electrical service panel. Typical installations take only 1–3 days with only 1 hour without power.
Not at all. Grid-tied systems simply feed into a breaker in your main service panel.
Solar electric panels are built with high‐impact tempered glass. The solar industry standard dictates that panels should be able to withstand golfball-sized hail. If your solar panels do suffer any hail damage, you can claim the damage via your homeowner’s insurance policy.
We recommend that you contact your insurance agent to determine if additional coverage is needed to insure the solar electric system. Typically, any increase in premium is only to cover the replacement cost of the system, as opposed to the system being viewed as a liability by the insurance company.
Feel free to call us for more information or go to the Solar*Rewards page on Xcel Energy’s website. Here you’ll find useful information about their solar rebate program and application process. We encourage you to contact us at any time for further details and program updates.
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