Barbara Hogan, to the National Assembly, on the Pebble Bed Modular Reactor, Department of Public Enterprises press release
- Address by the Minister of Public Enterprises
As nuclear power generation has become established since the 1950s, the size of reactor units has grown from 60 MWe to more than 1600 MWe, with corresponding economies of scale in operation. At the same time there have been many hundreds of smaller power reactors built both for naval use (up to 190 MW thermal) and as neutron sources, yielding enormous expertise in the engineering of small units. The International Atomic Energy Agency (IAEA) defines 'small' as under 300 MWe, but in general today 500 MWe might be considered an upper limit to 'small'.