On 1 April 2010, Powys Teaching LHB transferred mental health services to Aneurin Bevan LHB, Betsi Cadwaladr University LHB and Abertawe Bro Morgannwg University LHB.
O 1 Rhagfyr 2015 ymlaen, trosglwyddwyd y rheolaeth dros wasanaethau iechyd meddwl ym Mhowys i Abertawe Bro Morgannwg a Betsi Cadwaladr.