When you purchase a rooftop solar array from a company, you get the benefit of wholesale pricing since the installer purchases equipment from manufacturers in bulk. Buying panels for your own DIY ...

You can save thousands with solar panels — but you need to know this one crucial fact before buying first appeared on The Cool Down.

Amid repeated calls for innovative approaches to unlock the potential of African solar, two impact investors have committed $5 million each to back an aggregated buying program in Nigeria which ...