Autonomous Communities of residence Energy source used for heating Total total total 100.00 total electricity 16.48 total Natural gas 45.94 total liquid gas 5.70 total other liquid fuels 28.67 total solid fuels 3.21 andalucía total 100.00 andalucía electricity 47.60 andalucía Natural gas 12.82 andalucía liquid gas 8.28 andalucía other liquid fuels 28.96 andalucía solid fuels 2.34 aragón total 100.00 aragón electricity 9.79 aragón Natural gas 30.76 aragón liquid gas 5.49 aragón other liquid fuels 50.61 aragón solid fuels 3.35 asturias(principado de) total 100.00 asturias(principado de) electricity 16.04 asturias(principado de) Natural gas 41.40 asturias(principado de) liquid gas 7.19 asturias(principado de) other liquid fuels 30.73 asturias(principado de) solid fuels 4.64 balears (illes) total 100.00 balears (illes) electricity 59.74 balears (illes) Natural gas 16.39 balears (illes) liquid gas 2.48 balears (illes) other liquid fuels 21.39 balears (illes) solid fuels 0.00 canarias total 100.00 canarias electricity 51.85 canarias Natural gas 0.00 canarias liquid gas 13.88 canarias other liquid fuels 17.35 canarias solid fuels 16.92 cantabria total 100.00 cantabria electricity 5.56 cantabria Natural gas 48.75 cantabria liquid gas 15.46 cantabria other liquid fuels 27.35 cantabria solid fuels 2.88 castilla y león total 100.00 castilla y león electricity 8.89 castilla y león Natural gas 32.43 castilla y león liquid gas 6.39 castilla y león other liquid fuels 41.16 castilla y león solid fuels 11.13 castilla-la mancha total 100.00 castilla-la mancha electricity 14.31 castilla-la mancha Natural gas 16.71 castilla-la mancha liquid gas 8.38 castilla-la mancha other liquid fuels 59.82 castilla-la mancha solid fuels 0.79 cataluña total 100.00 cataluña electricity 14.64 cataluña Natural gas 62.75 cataluña liquid gas 1.13 cataluña other liquid fuels 18.85 cataluña solid fuels 2.63 comunidad valenciana total 100.00 comunidad valenciana electricity 35.19 comunidad valenciana Natural gas 37.75 comunidad valenciana liquid gas 4.14 comunidad valenciana other liquid fuels 22.21 comunidad valenciana solid fuels 0.71 extremadura total 100.00 extremadura electricity 32.11 extremadura Natural gas 20.79 extremadura liquid gas 13.73 extremadura other liquid fuels 33.37 extremadura solid fuels 0.00 galicia total 100.00 galicia electricity 22.44 galicia Natural gas 17.51 galicia liquid gas 5.16 galicia other liquid fuels 48.59 galicia solid fuels 6.30 madrid(comunidad de) total 100.00 madrid(comunidad de) electricity 10.94 madrid(comunidad de) Natural gas 64.05 madrid(comunidad de) liquid gas 7.53 madrid(comunidad de) other liquid fuels 15.65 madrid(comunidad de) solid fuels 1.83 murcia(región de) total 100.00 murcia(región de) electricity 39.53 murcia(región de) Natural gas 15.58 murcia(región de) liquid gas 12.61 murcia(región de) other liquid fuels 32.28 murcia(región de) solid fuels 0.00 navarra(comunidad foral de) total 100.00 navarra(comunidad foral de) electricity 3.75 navarra(comunidad foral de) Natural gas 44.59 navarra(comunidad foral de) liquid gas 3.07 navarra(comunidad foral de) other liquid fuels 46.21 navarra(comunidad foral de) solid fuels 2.39 país vasco total 100.00 país vasco electricity 9.87 país vasco Natural gas 61.86 país vasco liquid gas 8.25 país vasco other liquid fuels 19.53 país vasco solid fuels 0.49 rioja (la) total 100.00 rioja (la) electricity 8.91 rioja (la) Natural gas 45.62 rioja (la) liquid gas 2.06 rioja (la) other liquid fuels 40.78 rioja (la) solid fuels 2.63 ceuta and melilla total 100.00 ceuta and melilla electricity 100.00 ceuta and melilla Natural gas 0.00 ceuta and melilla liquid gas 0.00 ceuta and melilla other liquid fuels 0.00 ceuta and melilla solid fuels 0.00