Ecotricity in the UK is running an interesting campaign.

Against a backdrop of widespread anger with Big Power in the UK, Ecotricity has launched its “Dump The Big Six” rallying call to ditch your badly behaved supplier and make Britain greener.

The Big Six (British Gas, EDF Energy, E.ON, Npower, Scottish & Southern, Scottish Power) have long enjoyed a carbon-fuelled chokehold the UK’s energy, supplying 99% of customers. But is their grip crumbling?

Ecotricity founder Dale Vince OBE, the man credited with kick-starting the world’s green electricity market, believes now is the moment to topple the grey giants and bring the UK into the renewable energy future. There's a new video that goes with it.