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Welcome to your Greengauge

Please enter your login details to view the cumulative and individual savings for your VPO® installations.


Each Greengauge is based on data provided (p/kWh and HH data) as well as the savings level calculated following installation. 


If you have forgotten your login details or would like to update your records please contact your account manager or fill in our contact form.

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*The greengauge represents the aggregate savings of powerPerfector installations in the UK, Ireland, Cyprus and Denmark. Savings correct at the time of installation using either IPMVP savings analysis or reasonable estimates, where savings analysis was not possible. Actual savings may change over time for example due to energy pricing, occupancy, equipment, rates, building re-purposing and further energy efficiency measures.

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