ADWEC is a wholly owned subsidiary of the Abu Dhabi Water and Electricity Authority ADWEA and ADWEC is the "Single Buyer and Seller" of Water and Electricity in the Emirate of Abu Dhabi.

ADWEC has to balance demand and supply through Power and Water Purchase Agreements (PWPAs) with the generation companies and through sales contracts on the basis of a Bulk Supply Tariff (BST) with the Distribution Companies.

ADWEC also purchases Gas Fuels from the Fuel Suppliers for the Producers as well as handle financial settlements with all the stakeholders