As more distributed energy resources (DER) — primarily solar — are connected to electric utility power distribution systems, the equipment that makes it all work safely and reliably is under ...

Getting your Trinity Audio player ready... Xcel Energy is proposing to spend about $5 billion over the next five years to make sure the system that delivers power to homes and businesses can handle a ...

As energy storage facilities (“ESFs”) are developed and deployed in the Northeast, questions about how ESFs will be charged for use of the electric distribution system while participating in wholesale ...

Distributed generation not only meets specific customer needs, it also supports the economic operation of the transmission and distribution grid. Click here to enlarge image What is distributed ...

U.S. electricity providers now have cybersecurity guidelines to follow. The National Association of Regulatory Utility Commissioners (NARUC), in partnership with the Department of Energy, provided a ...

One of the most important technologies that substantially influence the quality of our lives and is vastly underappreciated is the ubiquitous battery. Whether it's the lead-acid batteries that start ...

San Diego Gas & Electric says the purchase of the city of San Diego’s electric distribution system could cost between $7.4 and $9.3 billion. The utility said costs could climb above $11 billion if ...

The increase in size of solar photovoltaic (PV) systems in recent years has made it more difficult to install the AC output into existing building panelboards, either at the electrical service ...