Fifth Third's facilities generate electricity from diverse generation sources in regulated and deregulated markets, and if future legislation increases the cost of greenhouse gas emissions, the company may face higher generation costs from coal or natural gas generators. In 2017, the company entered into a Power Purchase Agreement Ppa to acquire as much power from a new solar project as possible. While the primary purpose of this agreement was to demonstrate environmental leadership, a secondary benefit was the company's long-term contract to purchase carbon-free power.