Survey on Households and the Environment Percentage of dwellings, by type of home 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; Single-person Household;100.0;99.9;38.3;45.5;6.3;9.4;7.9;0.4; Couple alone;100.0;100.0;41.3;40.2;6.5;12.9;8.4;0.7; Couple with children;100.0;100.0;42.4;39.4;6.3;13.7;8.3;1.3; Father or mother alone alone with at least one child;100.0;100.0;41.4;41.9;5.2;11.7;7.7;0.7; Another type of household;100.0;99.9;35.0;50.7;10.2;12.7;7.7;1.0; Notes: Source: National Statistics Institute