As of publishing, the average cost per watt is $2.84. Solar panels typically pay for themselves within 5 to 15 years. It all boils down to how much you’re paying for each unit of power ...

SMA America introduced two new hybrid inverters for residential solar projects with larger solar capacity. The Sunny Boy Smart Energy inverters include a 9.6 kW and an 11.5 kW model.

In March, we removed the 4-kW ... up the solar array) and then a new composite shingle roof. Finally, in July, we put in a whole-house cooling fan and whole-house heat-recirculating system ...

Netherlands-based Triple Solar has unveiled a residential PVT heat pump system that uses ... for the system’s front panel. The heat pump delivers 1.2 kW to 5 kW of heating output and reaches ...