Have you done the main survey yet? If not, please click here to complete it before continuing to complete this optional survey.

In this survey you will be presented with pairs of smart local energy systems (SLES) which are identical except for the characteristics mentioned. We would like you to tell us which you prefer or to say that they are the same.

If you have any questions about the survey , or our work, please feel free to contact Christina (

Thank you for your time

Prof David Ingram, Dr Camilla Thomson, and Dr Christina Francis.