|Euro||2017||2018||Ch. 2018/2017||Ch. % 2018/2017|
|of which attributed to Hera||781.95||784.54||2.56||0.3%|
|of which attributed to raw materials and generation||559.29||623.98||64.69||11.6%|
|of which duties, taxes, system charges and other charges||645.40||653.53||8.13||1.3%|
Bill of a residential customer with an annual consumption of 1,200 m3 of gas, 2,700 kWh of electricity, 130 m3 of water and for a family of 3 people in a house of 80 m2 for waste disposal. For the other conditions considered, see the following pages.