For example, in your view, would there be situations where such breaches would reach the threshold of presenting (or likely to present) a significant risk of causing harm to the environment?
Er enghraifft, yn eich barn chi, a fyddai sefyllfaoedd lle byddai toriadau o'r fath yn cyrraedd y trothwy o beri (neu'n debygol o beri) risg sylweddol o achosi niwed i'r amgylchedd?