District heating station, Alt St. Johann

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The UTSR furnace from the Schmid company is installed in the new building of the Alt St. Johann district heating center.

District heating station, Alt St. Johann

General information
The new district heating center in Alt St. Johann supplies more than 60 district heating customers. At the beginning of 2020, the groundbreaking ceremony took place for the new construction of the district heating center with all technical installations, the control room and the chip storage hall with a storage volume of approx. 1,000m3. The heart of the heating center is a modern Schmid UTSR 900 visio moving grate furnace for industrial use. This has a power range of 135 to 900 kW, extended to particularly low partial loads, and generates up to 3,500 MWh of heating energy per year.

How much CO2 can be saved annually and how much is that converted into heating oil (liters)?
1'000 tonsCO2

area of application
Heat network Alt St. Johann - Unterwasser (SG)

80% wood chips from solid trees, logs and forest residues
10% residual wood from wood processing
10% landscape conservation and thinningresidual wood

type of combustion system
Moving grate furnace
UTSR-900 visio

Capacity Total
135 - 900 kW (15 - 100%)

Silo discharge
Moving floor discharge

Filter in use? Which one?
Multicyclone, electrostatic precipitator

In use since
September 2020