The Cost of Decommissioning Nuclear Reactors

Reactor pressure vessel transported from site for burial. Image from wikipedia

The International Energy Agency (IEA) said late in 2014  (pdf) that almost 200 of the 434 reactors in operation around the globe would be retired by 2040, and estimated the cost of decommissioning them at more than $100 billion.  But many experts view this figure as way too low, because it does not include the cost of nuclear waste disposal and long-term storage and because decommissioning costs – often a decade or more away – vary hugely per reactor and by country…. The IEA’s head of power generation analysis, Marco Baroni, said that even excluding waste disposal costs, the $100 billion estimate was indicative, and that the final cost could be as much as twice as high. He added that decommissioning costs per reactor can vary by a factor of four.Decommissioning costs vary according to reactor type and size, location, the proximity and availability of disposal facilities, the intended future use of the site, and the condition of the reactor at the time of decommissioning.

The U.S. Nuclear Regulatory Commission estimates that the cost of decommissioning in the United States – which has some 100 reactors – ranges from $300 million to $400 million per reactor, but some reactors might cost much more.  France’s top public auditor and the nuclear safety authority estimate the country’s decommissioning costs at between 28 billion and 32 billion euros ($32-37 billion).  German utilities – such as E.ON, which last month said it would split in two, spinning off power plants to focus on renewable energy and power grids – have put aside 36 billion euros. .  Britain’s bill for decommissioning and waste disposal is now estimated at 110 billion pounds ($167 billion) over the next 100 years, double the 50 billion pound estimate made 10 years ago.  Japanese government estimates put the decommissioning cost of the country’s 48 reactors at around $30 billion, but this is seen as conservative. Russia has 33 reactors and costs are seen ranging from $500 million to $1 billion per reactor.

Excerpt, Global nuclear decommissioning cost seen underestimated, may spiral, Reuters, Jan, 19, 2014

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