Enbridge Inc. is a Canada-based energy transportation and distribution company. The Company is engaged in delivering energy. It operates through five segments: Liquids Pipelines, Gas Distribution, Gas Pipelines and Processing, Green Power and Transmission, and Energy Services. Liquids Pipelines consists of common carrier and contract crude oil, natural gas liquids (NGL), and refined products pipelines and terminals, including Canadian Mainline, Lakehead Pipeline System, Mid-Continent and Gulf Coast and Regional Oil Sands System. Gas Distribution consists of its natural gas utility operations, the core of which is Enbridge Gas Distribution Inc. Green Power and Transmission consists of its investments in renewable energy assets and transmission facilities. Renewable energy assets consist of wind, solar, geothermal and waste heat recovery facilities in Canada. Energy Services undertake physical commodity marketing activity and logistical services, and oversee refinery supply services.