EPA's Green Power Purchases by Energy Source

This pie chart illustrates the breakdown of EPA's fiscal year (FY) 2010 green power purchases by type of energy source.

Of the total green power that EPA purchased through direct green power and renewable energy certificates (RECs) in FY 2010, 69 percent was from wind energy, 16 percent was from biomass energy, and 15 percent was from landfill gas energy.