Yr Uned Cydgynhyrchu Gwres a Phŵer Cyfunedig yw'r prosiect cyntaf o'i fath i gael caniatâd cynllunio fel rhan o'r broses Datblygiad o Arwyddocâd Cenedlaethol dan Ddeddf Cynllunio (Cymru) 2015.
The CHP cogeneration unit is the first project of its kind to receive planning permission as a Development of National Significance process under the Planning (Wales) Act 2015.