Direct Current

Direct Current’s Energy Unit Calculator

New Combined Electricity Project Connect Spain and France

We recently released the second episode of Direct Current, our new Energy.gov podcast. In this episode, Paul Lester and I propose some new energy units — burritos, Mt. Rushmore, a New York Minute and the Moon Landing — our way of making energy consumption easier to understand. We thought you might want to explore these… Keep reading →

Riffgat Offshore Wind Farm Nears Completion

Germany’s Siemens has handed over the first of a total of five commissioned North Sea grid connections, the BorWin2 offshore platform, to its customer TenneT, a German-Dutch transmission grid operator, for immediate commercial operation, the company announced in a press release on January 30. TenneT is one of the four Transmission System Operators (TSOs) that… Keep reading →

Electrical Wires

It’s #GridWeek on Energy.gov. We’re highlighting our efforts to maintain a reliable, resilient and secure electric grid across the country, and what that means for you. We’ll be hosting a Twitter chat on How the Grid Works on Thursday November 20 at 2 PM EDT. Send us your questions on Twitter, Facebook and Google+ using #GridWeek. Starting in the late… Keep reading →

Electrical Wires

Starting in the late 1880s, Thomas Edison and Nikola Tesla were embroiled in a battle now known as the War of the Currents. Edison developed direct current — current that runs continually in a single direction, like in a battery or a fuel cell. During the early years of electricity, direct current (shorthanded as DC) was the standard in… Keep reading →