Radio 4 in Four - How to get cheaper energy when it rains - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - How to get cheaper energy when it rains - ÃÛÑ¿´«Ã½ Sounds
How to get cheaper energy when it rains
A hydro power scheme in Wales is offering cheaper energy to local people when it rains.