Fifth Third's facilities generate electricity from various 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, with the primary purpose of demonstrating environmental leadership, but also with a secondary benefit of purchasing carbon-free power through a long-term contract.