With 200 million active Twitter users, choosing who to follow can be a chore. We compiled this list of top cleantech Twitter handles to simplify the task. 


Michael Levi

A Senior Fellow for Energy and the Environment at the Council on Foreign Relations, Levi focuses on energy, security, and climate.

Jesse Jenkins

Jenkins is the Digital Community Strategist at TheEnergyCollective.com and a graduate student at MIT, where he works as a researcher with the "Utility of the Future" project.

Chris Nelder

Nelder, in addition to being an energy analyst and consult, is the author of two books (Profit from the Peak and Investing in Renewable Energy) and a frequent contributor to Greentech Media.

Stephen Lacey

Our Senior Editor Stephen Lacey tweets about energy, cleantech, the environment, and politics.


Shayle Kann

Kann is the Vice President of Research at Greentech Media.

Vote Solar

The Vote Solar Initiative is an advocacy organization based in San Francisco that tracks solar developments around the country.

Tom Cheyney

Cheyney, chief curator at SolarCurator.com, is also director of the growing solar practice at Impress Labs.

Ed Gunther

Gunther researches and runs the Gunther Portfolio, a blog on solar and energy policy.


IEEE Smart Grid

A leading smart grid organization, IEEE has close to 100 standards and standards in development related to smart grid.


Rob Day

Day, a cleantech family office investor, is also the chair of the upcoming NextWave Greentech Investing conference.

Is your favorite source missing? Add to our list in the comments below.