Solar Radio is a London-based radio station, which originally started life as a pirate radio station. Solar broadcasts primarily soul to London on DAB and online.^[1]

Solar (originally short for Sound of Londons Alternative Radio) first broadcast as a pirate radio station on 4 November 1984, and was founded by DJs Clive Richardson and Tony Monson, the latter whom joined Kiss FM.^[2] Solar ceased broadcasting in October 1988 as an unlicensed operator.

On 1 June 1999, Solar returned through satellite broadcasting, initially broadcasting on Astra 19.2°E, and then Astra 2 (used by Sky TV) from 9 August 2000 where they stayed until 31 May 2019. From 29 October 2015, Solar also commenced broadcasting on the Trial London DAB MUX.^[3][4]

Presenters on Solar include Tony Monson, Lisa I'Anson, Ralph Tee, Louie Martin, Kid Batchelor, and Steve Johns. Robbie Vincent has occasionally guested on the station.