I went through my nas and these are the ones I keep coming back to in electronic genre, even though I've missed lots out;

Aphex twin - all
Autechre - amber
Blue six - beautiful tomorrow
Blue states - nothing changes under the sun
Boards of Canada - music has the right to children
Bonobo - animal majic
Brian Eno - apollo : atmosphere and soundtracks
Chicane - far from the maddening crowds
Eastern Sun - in emptiness
Erlend Oye - unrest (of kings of convenience fame)
Frankie Knuckles
Giorgio Moroder - best of electronic disco.
Gorillaz - plastic beach
Groove Armada - vertigo
Guardner - ready for take off
GusGus - Arabian horse
Guts - paradise for all
Jam and spoon - tripomatic fairytales
Kraftwerk - Tour de France
Lady Duracell - mushrooms
Laurent Garnier - mixmax live vol 19
Leftfield - leftism
Lemon Jelly - lost horizons and lemon jelly ky
Lindstrom - smallhans
Massive attack - blue lines, protection and mezzanine
Mathar - Indian vibes
Moby - play
Nightmares on wax - carboot soul
Nils Fraham - felt (I like nonkeen too)
O.t.t - skylon and Mir
Ocean lab - sirens of the sea
Dubstar - disgraceful
Orbital - snivilisation
Rue du soleil (cafe del mar) - emotions
Royksopp - all
Shades of rhythm - the album
Solar fields - movements
Stephane pompougnac - living on the edge and hello mademoiselle
The chemical bros - we are the night
The orb - best of
The prodigy - experience and music for the gilted generation
Sabres of paradise - sabresonic 2
The shamen and mr c - en tact
Thiervery Corporation - richest man in Babylon
Todd terje - its album time
Tosca - Suzuki, going going going
Tricky - maxinquae
Ulrich schnauss - far away trains passing by
Ultramarine - every man and woman is a star
Underworld - dubnobasswithmyheadman, barbra barbra we face a shining music, olympics music
Vangelis - blade runner, china, voices
Waldeck - the night garden
John and Sasha digweed - renaissance
Late night tales - royksopp and other artists too.

All the acid house stuff of my generation like frankie knuckles, index, mr c, 808 state, scientist, 4 hero, etc.