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


With tariffs in the balance, growth gets political

Quarterly market reports about solar power tend to focus on how much solar is growing. Not surprising, since solar has been growing like a weed for years. But a report out today has been accompanied by an unusual amount of sound and fury.


More states warm to energy storage

The middle of 2017 has seen a wave of activity on energy storage among U.S. states, expanding past early adopters like California and Hawaii to unfamiliar territory like Pennsylvania, Virginia and Kentucky.