British Gas is the largest provider of gas and electricity in the UK with about 10 million gas customers and 5 million electricity customers. They are also known as Scottish Gas in Scotland and Nwy Prydain in Wales.
The Price Promise tariffs are fixed at at a small percentage above the standard rate at the time of taking out the policy for a period of one to two years. This means that your gas and electricity prices won’t rise before then even if the supplier raises their prices.
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