"Electricity" is a song by Australian electronic music group The Avalanches. Produced by group members Robbie Chater and Darren Seltmann, it was issued as a single on 13 September 1999 as the group's first release for Modular Recordings. "Electricity" was later remixed and remastered for inclusion on the group's debut album Since I Left You (2000). The song features prominent samples of "Rapp Dirty" by American musician Blowfly, as well as guest vocals from Australian singers Sally Russell and Antoinette Halloran. Several critics' reviews of the song noted its disco sound and likened it to the work of French electronic music duo Daft Punk. "Electricity" was later re-released as a single on 3 December 2001, with single releases containing remixes of the song by DJ Harvey and DJ Sneak.

"Electricity" was the first song from Since I Left You to be recorded. The song was produced by group members Robbie Chater and Darren Seltmann, with the former describing it as "the first number which really came together for us." It was not originally produced for the album, and was only intended for release as a one-off single. The group later included it on Since I Left You as a last-minute addition to the album after deciding that the song "still sound[ed] good."

A dance song with influences of disco, "Electricity" begins with an opera solo performed by Australian soprano Antoinette Halloran. Her vocals repeat throughout the song, mixed with the additional vocals of Australian singer Sally Russell. The song's production also features samples of "Rapp Dirty" by American rapper Blowfly and scratching by Avalanches member James De La Cruz.

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