The most efficient residential solar panels available today have maximum efficiency marks that top out around 23%. In real-world situations, Maxeon expects, its panel will be 24.1% efficient ...

Maxeon 7 solar panels -- not pictured here -- set a new standard for residential solar panels. Buena Vista Images/Getty Images. The new JinkoSolar panels are available in 495 and 670-watt output ...

Powering your home with rooftop solar panels is great for the planet but isn't always a good deal for consumers. One of the problems might be with the way the industry was built in the first place.

It has been 70 years since modern solar panels were invented, and their fundamental design hasn’t changed all that much. Yes, their efficiency has more than doubled since then, and the price has ...