In many power markets today, nuclear electricity is the cheapest you can buy.

ECONOMIST: Nuclear power

Electricity can be produced by wind, sunlight, biomass or nuclear reactors, and cars can be powered by biofuels and electricity.

ECONOMIST: Getting warmer

One, labouring under the term of "contracts for difference", is a mechanism under which the government will guarantee a price that energy firms can obtain for producing and selling electricity generated either by wind farms or new nuclear power stations.

BBC: Energy Bill: Will companies now build new power plants?