Dan Hahn

Solar Journalist

About Dan Hahn

Dan is a solar journalist and content advisor with SolarReviews. He also works with solar installers and solar nonprofits to develop and execute strategic plans.

Dan Hahn founded residential solar energy information and policy resource, Solar Power Rocks, in 2007. As the site's chief architect and senior editor, he developed a national framework for evaluating the impact of residential solar energy policy. Possessed with a mission to communicate how all state legislatures can encourage solar energy growth, he developed annual state scorecards to benchmark solar policy performance across the United States. Solar Power Rocks has been cited by publications such as the New York Times, Politifact, and Seeking Alpha.

Dan earned his B.S. in Financial Management from the University of Illinois in 2001, and his M.S. in Industrial/Organizational Psychology from Portland State University in 2008.

Articles by Dan Hahn

How solar is installed on metal roofs

Within metal roofing materials alone, there are a variety of profiles, gauges, metal types and considerations to take into account to properly install solar panels.

Written by Dan Hahn

How solar is installed on metal roofs
What in the world are flow batteries?

An overview of flow batteries, including their applications, industry outlook, and comparisons to lithium-ion technology for clean energy storage.

Written by Dan Hahn

What in the world are flow batteries?
The difference between DC and AC watts (and PTC/STC)

An overview of the difference between AC and DC power and how they play into getting solar installed on your roof.

Written by Dan Hahn

The difference between DC and AC watts (and PTC/STC)
How Solar Is Installed on Clay Tile Roofs

Installing solar panels on clay tile roofs is possible, but it can be more expensive. Read on to learn what you need to know about solar panels on a clay roof.

Written by Dan Hahn

How Solar Is Installed on Clay Tile Roofs
Solar tubes: Everything you need to know

Solar tubes run from the roof to the ceiling, brightening your home with daylight affordable and efficiently. Read to learn about solar tubes for your home.

Written by Dan Hahn

Solar tubes: Everything you need to know
What are DC power optimizers?

How DC power optimizers work, and what their benefits and drawbacks are in your home solar energy system.

Written by Dan Hahn

What are DC power optimizers?