Analysis published recently shows that the number of households living in fuel poverty in Wales rose from 12% in 2018 to an estimated 45% as a result of the April price rise.
Dangosodd dadansoddiad diweddar fod nifer yr aelwydydd sy'n byw mewn tlodi tanwydd yng Nghymru wedi codi o 12% yn 2018 i tua 45% o ganlyniad i'r cynnydd ym mhris tanwydd ym mis Ebrill.