The New York Power Authority is the largest state public power organisation in the United States, operating 17 generating facilities and over 1,550 circuit-miles of transmission lines. More than 80 percent of the electricity it produces is clean, renewable hydropower. NYPA provides customer solutions including energy efficiency, solar installations and hydropower development, and is expanding into new renewable energy projects through partnerships with private entities. This organisation would suit referrals from businesses seeking large-scale clean energy infrastructure, renewable power generation partnerships or assistance with commercial energy efficiency projects.