How about asking members of the evaluation panel at the World Bank for the Georgia energy projects (http://www.worldbank.org/en/country/georgia/projects). I'd assume that the application for such projects, must be quite insightful regarding your question.
There is scarcity of data on the subject matter. I would subject you pick a state capital or any rapidly urbanizing city in Malta, them conduct a survey by picking your sample size that would be targeted on Domestic Energy Supply