Britain was one of the first countries to introduce competition to retail energy markets in 1998; after a decade of choice, around half of its residential consumers have switched supplier. This paper presents evidence on consumer and supplier behaviour over the decade since the markets were opened...

The residential UK electricity market was opened for the first time in 1999, introducing choice of supplier, and about 40 percent of households changed supplier in the first four years. After three years price caps were removed. We review this process and assess the competitiveness of the market...