Area,Records,D or below,D or below + potential A/B,Solar PV Yes,Heat-pump evidence,Explicit off-gas among known
Wales,"902,603",54.09%,30.03%,2.106%,2.10%,20.27%
Ceredigion,"22,737",,35.05%,,9.51%,69.64%
Powys,"39,168",,34.89%,,6.31%,54.50%
Gwynedd,"35,841",,36.18%,,,48.36%