The chairman of the consortium running the Sellafield nuclear site has described the task of the running of the site as "unprecedented."
Nuclear Management Partners today announced its intention to continue the management of the site until at least 2019.
“The task at Sellafield is unprecedented.
"We have learnt an enormous amount about the challenges of the site and the areas that we need to focus on looking forward.
"We believe we are well placed to build on our progress to date and deliver improved performance in the next period.”
More top news
Do you know what's been happening in Cumbria and the south of Scotland over the past seven days? Test yourself in our weekly news quiz.
Two small creatures from thousands of miles away could create big problems for Cumbria's rivers.
A look ahead at the forecast for the Border region.