A Parliamentary hearing will take place at the Sellafield nuclear plant later following a damning report.
The report said there were considerable challenges that have to be overcome as the site is decommissioned and concerns were raised about safety.
The meeting will take place at the Energus building in Workington at 2pm.
It follows a report from the National Audit Office which said that owing to historic neglect, the Nuclear Decommissioning Authority faces a considerable challenge in taking forward decommissioning at Sellafield.
The evidence session, which will take the form of a Parliamentary hearing, will take evidence from John Clarke, of Nuclear Decommissioning Authority, George Beveridge, of Sellafield Ltd, and Phil Wynn Owen, Acting Permanent Secretary and Mark Higson, Department of Energy and Climate Change.
"We are particularly keen to speak to the NDA because although we now see a more robust lifetime plan in place for Sellafield, we cannot say with certainty how long it will take to deal with hazardous radioactive waste at Sellafield or how much it will cost the taxpayer."
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