CityWave, a 459-foot-long solar canopy, is set to become one of the world’s largest urban rooftop photovoltaic installations ...

Solar panels are expensive, but after a few years, they pay for themselves. Avoid these red flags to protect your investment.

I’m a fan of net metering because it forces Xcel Energy, which enjoys a monopoly in my area, to discount our bill for any energy our solar panels produce that I don’t use.

The situation is even worse in the electric vehicle arena. Prices are going down as batteries get cheaper, but they're still ...