When considering phase length options, it is important to balance providing participants with clarity on the UK ETS emissions cap and ensuring reliable emissions trajectories for cap setting.
Wrth ystyried opsiynau o safbwynt hyd y cam, mae'n bwysig cael cydbwysedd rhwng rhoi eglurder i gyfranogwyr ar gap allyriadau ETS y DU, a sicrhau llwybrau allyriadau dibynadwy ar gyfer gosod capiau.