The BBC has this interesting story on how closures of UK nuclear and coal fired power stations, coupled with growing demand for energy, could leave the UK with a 20% shortfall in electricity supply by 2012, and still end up not meeting its Kyoto targets.

The survey polled 140 experts from industry, government, academia and environmental groups on their attitudes towards energy issues.

[…]

Nuclear power supplies about 20% of the nation’s electricity; but by 2012, nine of the 12 stations still operating will have closed.

A significant number of the existing coal-fired stations may have closed too under the European Union’s Large Combustion Plants Directive.