The IslandDER meter collar device from ConnectDER has been approved for use by Arizona's three largest utilities: Arizona ...

Construction is underway on the 300-MW solar and 1,200-MWh storage Pioneer Clean Energy Center in Arizona. The project is ...

Aerial shot of a solar plant near Gila Bend, Arizona. The power plant is a parabolic trough plant, with molten salt thermal energy storage. Photo via Getty Images Proposed solar energy projects on ...

Solar and APS will be able to store power when the sun is high in the sky and deliver it to customers between 3 and 8 p.m. when the sun is on its way down, but energy use is peaking. This means that ...