In comparing bills from April – June 2023 and for the same period in 2024, a saving of more than 70% on grid demand has been realised.
Wrth gymharu biliau o fis Ebrill i fis Mehefin 2023 â'r un cyfnod yn 2024, mae arbedion o fwy na 70% o drydan o'r grid wedi cael eu gwireddu.