Survey on Households and the Environment 
Classification by characteristics of the dwelling
Percentage of dwellings, by size of the dwelling (no. of persons occupying it) and type of energy used
Units: % over the total number of dwellings

;With one of the following energy sources;Electrical  energy;Channelled gas;Liquid Petroleum Gases / Gas tank;Wood;Liquid fuels;Other source of energy or fuel  :Total;Other source of energy or fuel: Of this solar energy;
TOTAL;100.0;100.0;40.5;42.1;6.7;12.5;8.1;0.9;
1-person dwelling;100.0;99.9;37.9;45.8;6.4;9.5;7.9;0.4;
2-person dwelling;100.0;100.0;41.0;41.1;6.4;12.5;8.3;0.7;
3-person dwelling;100.0;100.0;41.0;41.4;6.7;12.3;7.6;1.0;
Dwelling with 4 or more persons;100.0;100.0;41.2;41.5;7.1;14.4;8.6;1.5;
Notes:
Source: National Statistics Institute