Energy technology

David Ferris



David covers big trends in energy technology and innovation for EnergyWire. A seasoned reporter who has followed the industry for six years, he often writes about energy storage, solar power, microgrids, smart thermostats, and the growing role of data, as well as the clash between established businesses and up-and-comers. David joined E&E in 2014. Earlier, he was the editor of an energy news site and a contributor on energy topics to publications including Popular Science, Sierra and The New York Times. He graduated cum laude from the University of California, San Diego, and holds a master's degree in journalism from Northwestern University.

Latest Stories


The 'Buy America' company that sourced from abroad

Suniva Inc. has asked the Trump administration to slap big tariffs on foreign solar products, claiming that its own goods are 80 percent American-made. But it appears the company has done tens of millions of dollars of business with the very nations it wants to keep out.


Who stands behind Suniva's trade case?

Suniva Inc. has portrayed itself as an all-American company in its bid to raise tariffs against solar imports from around the world. But its Chinese ownership, and its long list of foreign creditors, raise questions about who is in charge.