"Ond wedi dweud hynny, mae'r newidiadau disymwth ym mholisïau Llywodraeth y DU wedi difetha rhannau mawr o'r sector ynni adnewyddadwy, gyda Gweinidogion y DU yn dod â datblygiadau gwerthfawr yng Nghymru i stop cyn pryd. Yn 2015 yn unig, cafodd pedwar datblygiad ynni gwynt newydd yn y Canolbarth a chanddynt gapasiti o 300MW eu gwrthod gan Lywodraeth y DU.
“However, the rapid changes in UK Government policy have decimated large parts of the renewable sector, with potentially valuable developments to Wales stopped in their tracks by UK Ministers. In 2015 alone, four new wind developments in mid-Wales with an installed capacity of over 300MW were refused by UK Government.