Sorry, this tariff is no longer available Not to worry you can still choose one of our other tariffs. That's still zero carbon electricity at zero extra cost.(1) Choose your next tariff Install a smart meter - get behind a zero carbon future We've installed more than 2 million smart meters around the UK, and we're ready to install yours too. If you haven't already got a smart meter you can book your install appointment in MyAccount. Book a smart meter installation Make sure your boiler is happy and healthy Keep warm this winter with our range of boiler service and maintenance plans and home emergency insurance.Boiler problems? Get your boiler up and running again with our boiler repair services or need to replace your boiler quickly we can help!We've teamed up with BOXT, offering our customers £50 off a new boiler.