Registration for Cyd Cymru opens today and will run for six weeks. Here's how the collective works:
- Residents register providing as much information as possible about their energy use
- Once registration is closed, data is collated and presented for an 'energy auction'
- Energy companies offer their best prices to the collective
- New tariffs are offered based on registration data
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The owners of what some people claim to be the 'Welsh Holy Grail' are offering a cash reward for the ancient artefact's safe return.
Staying mostly dry overnight with generally light winds, but cloud and wind will gradually increase from the northwest from the early hours.
In the last programme we've been to meet two Welsh entrepreneurs who chose a different route and we visit the Energy Centre at Coleg Menai.