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What's the Double the Difference Price Promise?
When you become a Double Gold member of our Discount Club, we're so confident that you’ll save money overall, compared with your current suppliers, that we'll give you back ‘Double the Difference’ if you don’t!
To benefit from this offer, you need to switch both your energy services to us, unless you don't have mains gas supply at your property (this offer doesn't include prepayment meters).