Gas emergency Smell gas? Call the National Gas Emergency Service on 0800 111 999. Electricity emergency If you have a power cut or need to report an electricity network issue, call 105 to be put through to your local network operator. If there’s a serious and immediate risk, please call emergency services. Safety protocols Prioritising the safety of our people, customers, and the wider community. FAQs Get answers to our most common customer questions. What to expect on meter exchange day How to prepare for your gas or electricity meter installation.