WZ D—Electricity, gas, steam and air conditioning

Where D sits

1. D Electricity, gas, steam and air conditioning

Contains 1 narrower code

• 35 Electricity, gas, steam and air conditioning supply

What D includes

• This section covers the generation, storage, control, distribution, trading, and brokering of electricity or gaseous fuels for energy supply via a permanently installed distribution network of power lines or pipelines (supply lines). It also includes the energy supply to industrial and commercial areas as well as residential buildings.
• This section therefore encompasses the operation of electricity and gas supply facilities.
• The section also includes the supply of heat and cold via a permanently installed distribution network.

What D excludes

• Production of raw gas, see 06.20.0
• Transport of Gas in pipelines, i.e., on the distribution network, see 49.50.1
• Operation of water supply and wastewater treatment plants, see divisions 36 and 37

D in other systems