Are An Abundance of Solar Panels Needed?
The majority of homeowners get a 6kW PV system, which needs an average of 24 250-watt conventional panels or 30 200-watt conventional panels.
If you lack the roof space to accommodate 30 or even 24 panels on the south-facing side for a 6kW solar system, high-efficiency panels ranging from 350 to 400 watts would be worth looking into.
High-efficiency panels from Panasonic, LG, and SunPower cost 30 to 50 cents per watt more than conventional midrange panels, suggesting that your whole system will cost between $1,800 and $3,000 more before the 26 percent ITC rebates. On the flip side, you'll be able to acquire a 6kW system with just 17 350-watt or 15-400-watt panels.
High-performance panels also can retain solar generating capability for extended periods than ordinary panels. For example, the energy-generating capacity of a standard panel may decline by.5% to 1% every year. In contrast, high-efficiency panels may lose less than.5% of their energy-generating capacity per year.
So as you can see, there are factors at play that will determine how many solar panels you need. The best way to identify the ideal setup for your property is to reach out to the Hollywood Solar Pros to schedule a free appointment to get a proposal on the costs involved and a breakdown of the savings you will enjoy from going solar.
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