 This brought council trams to Purley on the Croydon Corporation system, Barnet and Enfield on that of Metropolitan Electric Tramways, and Hampton Court on London United Tramways metals.The council opened a coal-fired power station for the tramways on the Thames at Greenwich in 1906.As well as 22 tram depots around the county, refurbishment and maintenance works were opened at Charlton in 1909.