Timeline of the UK electricity supply industry

This timeline outlines the key developments in the United Kingdom electricity industry from the start of electricity supplies in the 1870s to the present day. It identifies significant developments in technology for the generation, transmission and use of electricity; outlines developments in the structure of the industry including key organisations and facilities; and records the legislation and regulations that have governed the UK electricity industry.  

The first part is a chronological table of significant events; the second part is a list of local acts of Parliament (1879–1948) illustrating the growth of electricity supplies.