Wind power

An industry report suggests that the net-zero economy is already established and employs more than 105,000 people.

The Mark Hill project would be next to the Penwhirn site which serves many nearby towns and villages.

BBC Verify has been assessing if any of the pledges to cut energy bills made in the Holyrood election campaign can actually be delivered.

One revolution will generate enough electricity to charge 1,700 mobile phones, says a power company.

The war in the Middle East has brought renewed attention to Britain's vulnerability to energy price shocks.

People have contacted BBC Your Voice about plans for onshore wind farms across Wales.

The question of how important making our electricity clean is to going green is coming under increasing scrutiny