Mae’r cymorth a ddarperir drwy'r Cynllun Gostyngiad mewn Biliau Ynni (EBDS) gryn dipyn yn is na'r hyn a ddarperir o dan y Cynllun Rhyddhad ar Filiau Ynni (EBRS), a chynlluniau tebyg mewn gwledydd eraill.
The support being provided though the EBDS is significantly lower than that provided under the EBRS, and to similar support schemes in other countries.