Location: Leicester, Massachusetts

Watts: 8,710

Monthly Production: 742 kWh

Date: December 2017

While solar panel technology is very mature and no longer advancing by leaps and bounds (read Mark’s blog article about if and when panels will become outdated), the components that come with the panels continue to improve. For example, all-black panels like these blend into the roof better. And AC micro-inverters like the ones in this SunPower system maximize each panel’s production.