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. Member of Parliament says whistleblowers allege interference with control room engineering decisions, and management pressure to hide information on grid security.

Operator brings in independent legal firm to look into whistleblower allegations relating to June heatwave

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.…