The action offered to date – the £200 rebate on electricity bills, which must be repaid by every bill payer over five years – is too little.
Nid yw’r camau sydd wedi’u cynnig hyd yma – yr ad-daliad o £200 ar filiau trydan, y mae’n rhaid i bob talwr bil ei ad-dalu dros bum mlynedd – yn ddigon.