Free £30 energy monitor for Npower customers. Npower is offering its customers on any tariff (except pre-pay) a free energy monitor when they sign up for paperless billing.
To get one simply go to http://www.npower.com/smartpower
and select the paperless billing option in your account settings. It says even if you signed up for paperless billing a few weeks ago but have never requested a free energy monitor you can still get one. There are around 170,000 available until stocks last.
This includes those on internet tariffs eg, SignOnline provided you sign up for paperless billing.