March 22, 2014 12:53 AM

Geothermal the way to go in central Pa.

In 2013, the United States finally became the world’s leader in installed photovoltaic capacity, putting in 4,751 new megawatts of energy production and beating Germany, which had held the lead for the previous 15 years despite having 3.6 percent of America’s land mass, 225 million fewer people and 20 percent less average annual sunlight.

Related content

Suggested for you



Justice League

Editor's Choice Videos