The maps currently include the following variables for the Solent region in 2011:
- Domestic electricity and gas consumption per capita per year,
- Total domestic CO₂ emissions per capita per year
The energy consumption and carbon dioxide emissions were calculated based on medium super output areas (MSOA), where each small area has a population around 10000 and 4000 households. The CO₂ emissions were calculated according to the domestic electricity and gas consumption of each area in 2011.