2014 was a huge year for energy. Solar surged forward, China and the U.S. got serious about climate change, and new tech continued to reshape our relationship with the power grid.

In case you missed the big stories, here are 8 statistics that capture the year’s most important energy trends.

More than 50x: how fast renewables are outpacing coal in America
Coal is America’s largest source of electricity, but its dominance is waning. There were five new coal power plants built in 2012, two in 2013, and just one in 2014 — Spiritwood Station in North Dakota, which produces a modest 62 megawatts of capacity at peak.