EDF

Energy giant announces Bouygues TP-Laing O’Rourke joint venture selected as preferred bidder for key £2bn nuclear plant contract

Commons committee chairman Tim Yeo says heads of state must intervene, after EDF casts doubt on its UK investment

New report backed by utility urges London boroughs to relax red tape and better promote the benefits of home insulation schemes

Building contracts expected this week may not be awarded until 2013, pushing back new nuclear plant by up to four years

Earthwork preparation of Hinkley site put back as election of Francois Hollande as French president hits confidence

Solar campaigner Alban Thurston outlines why the UK's "walking dead" Big Six energy companies fear green microgeneration

Eneco and EDF Energy form 50:50 joint venture to develop Navitus Bay project

Ethical index adds 24 firms, but deletes 13 for failing to meet environmental, social and governance criteria

Senior green campaigners warn nuclear policy leaves the UK dependent on French companies

Best-practice examples of shedding supply chain costs and carbon highlighted in new report