Nid yw hynny, fodd bynnag, wedi bod yn ddigon i warchod cartrefi, yn enwedig cartrefi ar incwm isel, rhag costau ynni sy’n cynyddu o hyd. Mae National Energy Action wedi cyfrifo bod tua 22,500 yn rhagor o gartrefi yng Nghymru wedi wynebu tlodi tanwydd oherwydd y cynnydd ym mis Hydref.
But it has not been enough to protect households, particularly low-income households, from ever-increasing energy costs. National Energy Action has calculated some 22,500 more households in Wales have been pushed into fuel poverty by the October increase.