There are at least four artists active under this name & also not to be mistaken with the Belgian singer Ellektra 1/ ELEKTRA Dekker from The Netherlands, active since 2004.
She re-registered herself now at Last.fm under ELEKTRA Goncharova. 2/ a popartist from Lithuania 3/ a popartist from Spain (?) 4/ a synthpop duo from Finland

Read more about Elektra on Last.fm.