It’s something installers hate to hear and hate to troubleshoot: the dreaded DC-side arc fault. Rarely in solar can such...

Distributed inverter layouts have proven valuable for many reasons as the skyrocketing popularity of the three-phase string inverter continues its...

The Mandalay Bay Resort Convention Center in Las Vegas is now home to the world’s second-largest rooftop PV array, an...

Management at Fremont, California’s First World Asian Trading, a food distribution company with roots in the Bay Area for more...

Module stringing and the question of how many and in which orientations, voltage windows and, lest we forget, available roof...

Mere weeks before the winter solstice, OnSite Energy of Bozeman, Montana flipped the switch on its latest installation. The 8.1...

Ronnie Raxter has helped thousands of solar installers in her years as an application engineer for SMA America, walking them...

Oklahoma residents are no strangers to booming summer thunderstorms, hail and the unfortunate tornado roaring through their state. With such...

As another season of powerful winter storms takes its toll on the East Coast, many installers will be greeted at...

Believe it or not, code references for determining the calculation to adequately size a PV inverter breaker are longer than...