About Gina Caradonna

Gina Caradonna - Author of Solar Reviews

Gina Caradonna

Solar Journalist

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.

Recent articles by Gina Caradonna

The fastest, safest, and most accurate ways to measure your roof for shingles

Gina Caradonna

October 30, 2020

The fastest, safest, and most accurate ways to measure your roof for shingles

Calculate the required squares you need to measure your roof for shingles with measurements from Google Earth, the ground, and on top of your structure.

The absolute best materials for your flat roof - pros, cons, and costs

Gina Caradonna

October 26, 2020

The absolute best materials for your flat roof - pros, cons, and costs

Read on to learn more about the best flat roofing materials, their pros and cons, and how much you can expect to pay to repair your roof with each.

Are gutter guards worth the cost?

Gina Caradonna

October 20, 2020

Are gutter guards worth the cost?

An overview of gutter guard installation costs, performance, and best types of systems to install on your home.

The benefits of a gable roof compared to a hip roof

Gina Caradonna

October 19, 2020

The benefits of a gable roof compared to a hip roof

Find out what a gable roof is, and learn its advantages and disadvantages compared to a hip roof.

What are microinverters?

Gina Caradonna

July 10, 2020

What are microinverters?

Learn how microinverters work, how much they cost, and how to determine if they're right for your solar system.

What solar incentives are available in California in 2020 and how much will they save you?

Gina Caradonna

November 16, 2018

What solar incentives are available in California in 2020 and how much will they save you?

Solar incentives, tax credits, and rebates are available in California to help make going solar more affordable. Find out which ones you might be eligible for.