The main identified barriers to renewable energy projects relate to infrastructure and planning issues, and to considerations around the investment characteristics of some projects in Wales.
Mae'r prif rwystrau sy'n cael eu nodi o ran prosiectau ynni adnewyddadwy yn ymwneud â materion seilwaith a chynllunio, ac ystyriaethau sy'n ymwneud â nodweddion buddsoddi rhai prosiectau yng Nghymru.