Spark Energy, Inc. is an independent retail energy services company. The Company provides residential and commercial customers in United States with an alternative for their natural gas and electricity. The Company operates in two segments: Retail Natural Gas Segment and Retail Electricity Segment. It operates in approximately 50 utility service territories across over 20 states and has approximately 328,000 residential customers and over 19,000 commercial customers, which translates to approximately 415,000 renewable energy credits (RCEs). The Company serves natural gas customers in over 10 states, including Arizona, California, Colorado, Connecticut, Florida, Illinois, Indiana, Maryland, Massachusetts, Michigan, Nevada, New Jersey, New York, Ohio and Pennsylvania, and electricity customers in over nine states, including Connecticut, Illinois, Maryland, Massachusetts, New Jersey, New York, Ohio, Pennsylvania and Texas.