;3rd quarter 2019;Change in per cent;Change in per cent;2nd quarter 2019;3rd quarter 2018;Breakdown of electricity sales by volume. Per cent; Last 3 mos.;Last 12 mos.; HOUSEHOLDS;42.5;-6.8;-23.1;45.6;55.3;100.0; New fixed-price contracts, 1-year or less, households;38.8;6.3;-11.0;36.5;43.6;0.3; New fixed-price contracts, more than 1-year, households;42.9;18.2;2.6;36.3;41.8;0.1; Older fixed-price contracts, households;36.5;4.0;13.0;35.1;32.3;1.9; Contracts tied to spot price, households;41.0;-6.4;-24.5;43.8;54.3;76.0; Variable price contracts, households;48.5;-7.3;-19.0;52.3;59.9;21.6; SERVICES;37.9;-9.8;-25.7;42.0;51.0;100.0; New fixed-price contracts, services;36.0;0.3;10.4;35.9;32.6;0.8; Older fixed-price contracts, services;35.0;0.3;12.5;34.9;31.1;7.5; Contracts tied to spot price, services;37.9;-10.4;-28.1;42.3;52.7;88.7; Variable price contracts, services;43.9;-9.9;-22.2;48.7;56.4;3.1; MANUFACTURING EXCL. ENERGY-INTENSIVE MANUFACTURING;36.6;-5.7;-25.9;38.8;49.4;100.0; New fixed-price contracts, manufacturing excl. energy-intensive manufacturing;34.2;-6.6;-17.4;36.6;41.4;1.2; Older fixed-price contracts, manufacturing excl. energy-intensive manufacturing;33.3;0.6;10.3;33.1;30.2;7.4; Contracts tied to spot price, manufacturing excl. energy-intensive manufacturing;36.8;-5.6;-28.7;39.0;51.6;89.8; Variable price contracts, manufacturing excl. energy-intensive manufacturing;44.2;-7.5;-19.3;47.8;54.8;1.7; ENERGY-INTENSIVE MANUFACTURING;32.0;-1.5;-0.6;32.5;32.2;100.0; Fixed-price contracts and contracts not entered in the market, energy-intensive manufacturing;:;:;:;:;:;:; Contracts tied to spot price, energy-intensive manufacturing;33.9;-5.8;-29.5;36.0;48.1;:;