Exclusive: Whitehall officials have ‘war gamed’ Programme Yarrow, a blueprint for coping with outages for up to a week
The government has “war gamed” emergency plans to cope with energy blackouts lasting up to seven days in the event of a national power outage amid growing fears over security of supply this winter.
The Guardian has seen documents, marked “official sensitive”, which warn that in a “reasonable worst-case scenario” all sectors including transport, food and water supply, communications and energy could be “severely disrupted” for up to a week.