Across
One powerful goal, with rich result (8)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (‘result’?) of ‘goal’ plus ‘rich’.
Protest article's purpose (6)
Writer, some lefties say, is Tory (8)
Notice Nick appearing in ... (6)
Dusty town in an unspecified location (11)
Relish short dance (5)
Britain's entanglement with EU law starts a tense situation (4-5)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (‘entanglement’) of ‘Britain’ plus EL (‘ E u L aw starts’).
Model style mostly followed by one in five (9)
Island egg shelled, so to speak? (5)
I haven't cracked this one yet — but Fifteensquared have:
‘i SLAN g e G g’ minus the outer letters (‘shelled’).
One way of seeing action is to have a row (11)
Throw covers not even cheap! (6)
Start fishing for one of a pair (8)
I haven't cracked this one yet — but Fifteensquared have:
CAST A NET (‘start fishing’).
Be quiet, be human and, finally, enjoy this wine (6)
I haven't cracked this one yet — but Fifteensquared have:
A charade of SH (‘be quiet!’) plus ERR (‘be human’ – “to err is human, to forgive divine” Alexander Pope) plus Y (‘finally enjo Y ‘).
Matilda's mate? Crikey! Right into the devil's clutches (2,6)
Down
One's silly to accept portal entry initials with identical password (4,6)
Home before ten, perhaps play guitar or something similar (10)
Race fairly, gain evenly (5)
I haven't cracked this one yet — but Fifteensquared have:
Alternate letters (‘evenly’) of ‘f A i R l Y g A i N ‘.
Fun to tie cast in knots — that's entertainment (4,3,5)
Endless abuse after directors take public transport (5,1,3)
I haven't cracked this one yet — but Fifteensquared have:
A charade of BOARD (‘directors’) plus ‘a bus[e]’ minus the last letter (‘endless’).
Smooth beginning out of this clue (4)
Collection for Catherine (4)
Carefully selected result by breeding as ordered (8,4)
A television song with nations competing (Eurovision) starts in disagreement (2,8)
Spoke about drink after one began (10)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘about’) of I (‘one’) plus GIN (‘drink’) in ORATED (‘spoke’),
23d
Poet would need to swap places for religious leader (9,4)
Not still a prison (5)
A member of the family in this state (2,2)
See 16
Type letters or click words in the clue