Shadow energy secretary Claire Coutinho has revealed operators claimed the grid failed to meet necessary standards as temperatures reached 34C on June 23.

Grid operator denies allegations of a security cover but launches independent investigation, citing serious nature of concerns raised by former UK energy minister Claire Coutinho.…

Shadow energy secretary Claire Coutinho told MPs that operators claimed that on June 23, the grid failed to meet necessary standards as temperatures reached 34C.

Shadow energy secretary Claire Coutinho has revealed operators claimed the grid failed to meet necessary standards as temperatures reached 34C on June 23.