There might also be grid lines for the line chart. A line chart is used to show the change in information over time. The horizontal axis is usually a time scale such as minutes, hours ...

Here are four charts on "the State of the Grid," as ERCOT has dubbed its new report: ERCOT's primary role is to balance the supply and demand of electricity flowing across the state's power lines ...

This expansion builds on the successful projects completed on both sides of the Atlantic. In the U.S., National Grid has ...

Grid technology standards, for example, have to be worked out now so offshore wind projects built in 10 years are compatible with transmission lines, he said. The NREL study also identified ...

When it comes to building new transmission lines, grid operators tend to be reactive, responding after a wind-farm developer asks to connect to the existing network or once a reliability problem ...

president of the consulting group Grid Strategies. He noted that many transmission projects are plagued by a “chicken or egg” problem: Developers won’t build power lines to windy or sunny ...

There is one big thing holding the United States back from a pollution-free electricity grid running on wind, solar and battery power: not enough power lines. As developers rush to install wind ...

It’s launched other grid initiatives, working with states and private companies in an effort to upgrade 100,000 miles of existing transmission lines so they’ll be able to carry more power ...