The Grid Trade Master Agreement (GTMA) is an agreement for trading electricity within the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...

. It is normally used either when a power station has excess electricity, which it wishes to "sell back" to the

power grid An electrical grid is an interconnected network for electricity delivery from producers to consumers. Electrical grids vary in size and can cover whole countries or continents. It consists of:Kaplan, S. M. (2009). Smart Grid. Electrical Power ...

, or when the electricity company wishes to buy surplus power to meet a surge in demand, or reduction in supply. Although electricity is a non-tangible asset, these agreements are used in order to trade

guarantees A contract is a legally enforceable agreement between two or more parties that creates, defines, and governs mutual rights and obligations between them. A contract typically involves the transfer of goods, services, money, or a promise to tr ...

to provide power for a certain length of time.

Notes

Electric power in the United Kingdom {{Electric-power-stub