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 Northwestern Europe, off the coast of European mainland, the 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 ''Power Grid'' is the English-language version of the second edition of the multiplayer German-style board game ''Funkenschlag'', designed by Friedemann Friese and first released in 2004. ''Power Grid'' was released by Rio Grande Games. I ...

, 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 an agreement that specifies certain legally enforceable rights and obligations pertaining to two or more parties. A contract typically involves consent to transfer of goods, services, money, or promise to transfer any of those at ...

to provide power for a certain length of time.

Notes

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