I was unhappy with other fixes for this well known bug (instead of summoning creature, your spell is consumed by your spell absorption), as they were not containing fixes for all the summoning spells and powers in Skyrim and DLCs.


It fixes following spells and powers (all of them I tested personaly)


Conjuration spells:

Conjure Familiar
Conjure Boneman (DG)
Conjure Flame Atronach
Summon Arvak (DG) - propably worked ok before
Conjure Ash Spawn (DB)
Conjure Frost Atronach
Conjure Mistman (DG)
Conjure Seeker (DG)
Conjure Ash Guardian (DB)
Conjure Dremora Lord
Conjure Storm Atronach
Conjure Wrathman (DG)
Flame Thrall
Frost Thrall
Storm Thrall
Summon Arniel's Shade


Powers:

Summon Karstaag (DB) - all three versions
Summon Spectral Assassin
Conjure Werebear (DB)
Summon Gargoyle (DG)


Shouts:
Summon Durnehviir (DG)


It doesn't fix:

custom conjuration spells
creature summoning items like Sanguine Rose - some players use them to recharge magicka via absorbing
scripted spells like summon unbound dremora, as they are not absorbed
anything I might have missed, in that case, please let me know


unpack the file, move it to your Skyrim Data folder and allow it in Skyrim launcher od mod manager


Dawnguard and Dragonborn are obviously required for the fix to work properly