It is normally used either when a power station has excess electricity, which it wishes to "sell back" to the power grid, 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 to provide power for a certain length of time.
Companies with headquarters and/or registered office in the UK but no applicable energy operations within the country shown in italics1Ultimate parent company is not UK-based 2Integrated in the United States, no generation or supply activities in the UK
