Across
Compliant power at fault (7)
Down a foreign drunk (7)
Stand back – one’s covered in blue (4)
I haven't cracked this one yet — but Fifteensquared have:
definition: "Stand" as a noun reversal/"back" of I="one" inside SAD="blue"
Determine before spilling drop in ear (9)
I haven't cracked this one yet — but Fifteensquared have:
anagram/"spilling" of (drop in ear)*
Turkish address housing a king with prominent nose (5)
I haven't cracked this one yet — but Fifteensquared have:
BEY=a "Turkish [title, or form of] address", around A K (a king)
Only approved heads held in high regard, so anger on the way (4,4)
I haven't cracked this one yet — but Fifteensquared have:
first letters ("heads") of O-[nly] A-[pproved], inside anagram/"high" of (regard)*
See 23 Down
Fast as a crab? (5)
I haven't cracked this one yet — but Fifteensquared have:
a crab might pinch or 'nip' with its claws
See 6 Down
Articles on a controversial illusionist that are used by setters (8)
I haven't cracked this one yet — but Fifteensquared have:
for definition, thesauri are used by crossword setters one 'the' is an article, so "Articles" gives plural THE-S, plus A (from surface) + URI Geller="controversial illusionist" [wiki]
Periodical reduced by Guardian wise guy (5)
Jail outside America – my flight goes around it (9)
I haven't cracked this one yet — but Fifteensquared have:
for definition, "flight" as in a flight of stairs STIR=slang for "Jail", around A (America); plus WELL="my"=exclamation of surprise
Cut end of grass and beard of barley (4)
I haven't cracked this one yet — but Fifteensquared have:
"end" or last letter of [gras]-S, plus AWN=bristle on an ear of barley="beard of barley"
Using mobile to ring politician is challenging (7)
I haven't cracked this one yet — but Fifteensquared have:
anagram/"mobile" of (Using)*, going around/"to ring" MP (Member of Parliament, "politician")
Failure of foreign cable broadcast (7)
I haven't cracked this one yet — but Fifteensquared have:
DE="of" in French i.e. "foreign"; plus anagram/"broadcast" of (cable)*
Down
It could produce an itch to escape, say (4)
Stay relaxed if included in reporter’s ‘fodder pile’ (8)
I haven't cracked this one yet — but Fifteensquared have:
anagram/"relaxed" of (Stay)*, inside HACK="reporter's"
Sentimental agent accepts cut (6)
Centre at York exhibiting suit (8)
Rod, circling one African country, stalls here (6)
I haven't cracked this one yet — but Fifteensquared have:
for definition, "stalls" as in market stalls BAR="Rod" around: A="one" + ZA (Zuid Afrika, South Africa)
17a
Old writer takes care to show objectivity (4,4)
Puerile shenanigans with – oh! – a Remainer? (9)
I haven't cracked this one yet — but Fifteensquared have:
definition refers to the 'Remainer' side in the UK referendum on Brexit anagram/"shenanigans" of (Puerile oh)*
Flashy underwear’s hot! (5)
I haven't cracked this one yet — but Fifteensquared have:
BRA'S="underwear's" + H (hot)
They’re passed down clothes reportedly (5)
Run into trouble trapping energy particle (8)
I haven't cracked this one yet — but Fifteensquared have:
anagram/"trouble" of (run into)*, around E (energy)
Swift game played against dwarf? (8)
I haven't cracked this one yet — but Fifteensquared have:
definition: Taylor Swift, the very popular singer anagram/"played" of (game)*, plus STAR as in a "dwarf" star in astronomy
Rank, inferior stuff imported by South America (6)
I haven't cracked this one yet — but Fifteensquared have:
TAT="inferior stuff" inside: S (South) + US (America)
Element of one’s deceitful character on the outside (6)
I haven't cracked this one yet — but Fifteensquared have:
I LIE="one's deceitful", with MU="character" from the Greek alphabet on the outside
Northern folk of note perversely like being put first (4)
I haven't cracked this one yet — but Fifteensquared have:
MI=musical note as in do re mi, with reversal/"perversely" of AS="like" put first
15a
Beastly group put away stuff (4,4)
Type letters or click words in the clue