Genie Energy Ltd., through its subsidiaries, supplies electricity and natural gas to residential and small business customers in the United States, Europe, and Asia. The company operates in three segments: Genie Retail Energy (GRE); GRE International; and Genie Energy Services. It resells electricity and natural gas to residential and small business customers primarily in the Eastern and Midwestern United States, as well as in the United Kingdom, Japan, and Finland. The company also engages in the provision of energy advisory and brokerage services; and solar panel manufacturing, and solar installation design, and project management activities. In addition, it provides contracted drilling services. Genie Energy Ltd. is headquartered in Newark, New Jersey.