EDF

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

Agreement could eventually result in investment of up to £60bn and the creation of 30,000 jobs, says Cameron

The Solar Radiation Management Governance Initiative says geoengineering could be 'plan B' for climate change

Engineering giant says €100m investment depends on outcome of French offshore wind tender round