The European Union (EU) has set targets for gradually reducing greenhouse gas emissions through 2050. One of the instruments involved is the 2009 Renewable Energy Directive, which specifies a 20 per cent renewable energy target for the EU by 2020. This paper reviews tensions and institutional...

Tradable White Certificates (TWC) schemes, also labelled Energy-Efficiency Certificates schemes, were recently implemented in Great Britain, Italy and France. Energy suppliers have to fund a given quantity of energy efficiency measures, or to buy so-called "white certificates" from other...