UPDATED Russia has agreed to build up to eight new nuclear power reactor units in Iran - four at Bushehr and four at another, yet to be determined site.

Westinghouse has filed an application with the South African high court charging Eskom with contempt of court over the utility's failure to supply documentation under a previous court order.

Delft University of Technology in the Netherlands has signed a contract with a South Korean consortium to upgrade its research reactor.

Ukrainian nuclear power plant operator Energoatom and Czech engineering company Škoda JS have signed a memorandum of cooperation and an agreement on confidentiality.

UPDATED The Areva-Siemens consortium supplying the first-of-a-kind Olkiluoto 3 EPR has updated its arbitration claim against Finnish utility Teollisuuden Voima Oyj (TVO) to €3.4 billion ($4.3 billion).

Work to deactivate the former Paducah gaseous diffusion enrichment plant can begin in earnest after Centrus Energy subsidiary United States Enrichment Corporation formally handed back full control of the Kentucky complex to the US Department of Energy (DoE).

Finnish utility Teollisuuden Voima Oyj (TVO) has revised its estimated costs and losses relating to the continued delay in completion of the first-of-a-kind EPR at Olkiluoto.

South Africa is moving towards signing framework agreements with China and Japan and is inviting would-be reactor vendor countries to participate in workshops to showcase their offerings as it moves through the pre-procurement phase of its nuclear new-build plans.

US-based Lightbridge Corp has extended its nuclear cooperation with Vietnam by agreeing to offer consultancy services for setting up a nuclear research centre, including a research reactor, in the country.

Having said that construction of two AP1000 units at the VC Summer nuclear power plant in South Carolina faces a delay of at least one year, the consortium building the reactors now expects the units to cost an additional $1.2 billion.

South Africa intends to sign agreements with French and Chinese reactor vendors, following on from its recent intergovernmental nuclear partnership agreement with Russia. Meanwhile President Jacob Zuma has publicly refuted media allegations over his involvement the Russian agreement.

Westinghouse has booked nearly $500 million worth of additional nuclear fuel contracts with eight utility customers in its Americas region within the past year. The contracts encompass the fabrication and delivery of nuclear fuel and associated engineering to 13 nuclear power plants, the Toshiba majority-owned company said yesterday.