Get Code & Visit Site
The site has been opened in a new window for you. Simply copy the edf energy voucher codes, make your purchase and then enter the voucher codes in the box provided at the basket checkout stage.
Through the EDF scheme, i havent used it yet so not sure if you have to be EDF customer to use it.
To claim voucher call 0844 499 2828, option 1 then option 4. Tell them you got the voucher code from EDF (EDFE10) im not sure if you have to be a customer but worth a try :)