Price History
Swalec will increase its gas prices by 18% or £118 on gas and 11% or £49 on electricity from the 14th September 2011. Swalec last increased its gas prices by 9.4% on 1st December 2010. On 29th March 2010, Swalec cut its gas prices by 4% for dual fuel customers, 7% for single fuel customers and 9% for pre-payment customers. Previously, Swalec cut its gas prices by 4% and its electricity prices by 9% on 30 March 2009.