Rooftop Solar Panels: The Ultimate Buying Guide
The cost of rooftop solar panels can vary widely depending on the size of the solar installation, the type of panels used, and the installation region. Generally speaking, 5kW
...who owns her home decides to purchase a rooftop solar panel system for approximately $15,000 with cash and receives a 30% tax credit. She can expect to save around $200 per month on her electricity bills and pay back the cost of the system in less than 5 years.
Pacific Northwest National Laboratory (PNNL) researchers are here to help. Homeowners must navigate a quagmire of complicated policies to determine whether the energy savings from rooftop solar panels or battery energy storage systems (BESS) are worth the high upfront cost.
One of the significant factors that will determine how much money you can make from solar panels is the size and efficiency of your solar farm. Generally speaking, the larger your solar farm, the more energy it will produce and the more money you can earn from selling this energy to utility companies or other interested parties.
A 7.5 kW rooftop solar system plus a 13.5 kWh BESS would cost $46,322 on average in Washington to install without incentives. The state's largest utility, Puget Sound Energy (PSE), offers a TOU rate option, meaning prices are higher in the evenings and lower overnight, in the early morning, and on weekends.
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