How we generate our electricity in Wales in future, and the role politicians in Cardiff Bay have to play in the process is one of the talking points at this election.

It's a complicated picture, with control over different aspects of the process of generating power and getting it to our homes split between the Welsh and UK governments.

One thing industry experts seem to agree on though is that energy policy will be a bigger issue for whoever's in power in the Senedd after polling day than it's ever been before.

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