which might include cleaning the panels once or twice a year, which could cost an average of $400 a year. “Part of the process of going solar should include a detailed site survey, where any ...

The US has approved controversial tariffs on imported washing ... of solar installers - an industry that's seen explosive growth, driven in part because of the dropping cost of panels.

With rising energy costs, solar panels can seem like a lifesaver. According to a recent CNET energy survey, 78% of US adults are stressed about high energy bills. However, going solar isn't cheap.