ArcLight Capital Partners is one of the leading energy infrastructure investment firms with more than $6.8 billion under management. The firm invests in oil, gas and coal resources; energy infrastructure; power generation; and electric and gas transmission and distribution companies. Founded in 2001, it is headquartered in Boston and has a branch office in New York City. The firm has a staff of more than 25 individuals, and its investment team specializes in extensive energy investing. ArcLight Capital Partners invests in equity securities of asset-based entities that generate returns through current income and long-term capital appreciation. The firm also invests in intrastate gas and electric transportation systems and electric and gas distribution companies.