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UNECE/FAO Wood Energy Workshop,Belgrade, 26th and 27th Nov. 2007
current technologies for heat and combined heat & power generation
What means SWH?
SWH = Strom und Wärme aus Holz(Energy and Heat from wood)
Österreichische Bundesforste AG
Wärmebetriebe GmbH
&
• largest forest company and owner of forest in Austria
• easy availability of biomass in all provinces
• professional resource logistics
• forestry strictly based on sustainable development
Die ÖBf AG – Austrian Federal Forest
Wärmebetriebe
• market leader in biomass in Austria
• forerunner of environmentally friendly
heating systems in Austria
• 30 years experience
• planning, implementation, management of district heating networks and heating plants
Development of SWH
� 2002: SWH started with the purchase of one heating plant
� 2003: 3 heating plants and heating nets were handed over to SWH by WBG (one of the shareholders)
� 2004: project development of several power plants for green electricity and additional heating plants
� 2005: project development resulted in the construction of 5 major power plants - SWH holds at least 51% share
� 2006: further project development and implementing operational concepts
� 2007: 19 plants in operation, 7 plants under construction, internalization prepared
SWH - references
SWH – stands for
• Biomass-fuelled electricity and heat generation
• Co-operation with agriculture, forestry,
• communities and industry
• Reliability and professional resource logistics
• Individual advice and project monitoring
• Support in project development and implementation
• Support and reliability in plant management
SWH - our products
Heat from wood
• local- and district supply for heating systems
and hot water processing
• process heat (hot water/steam) for
industrial plants
Electricity from wood
… from combined heat and
power plants (CHP) to feed into the net
biomass offers several advantages
• Regional value added by utilization
of regional biomass
• A CO2 neutral energy generation
• A renewable source of energy
• Guaranteed supply by sustainable
natural resource management
• Protection of jobs in rural districts
• Leadership in technology through
increasing application
biomass combustion
• high temperature process (800-
1.200 °C)
• air ratio λ > 1
• chemical energy stored in fuel
(heating calorific value) is set free
by oxidation of organic matter and
heats the flue gas
stand alone units
single unit users
stand alone units – open fireplace
stand alone units – wood stoves for logs
stand alone units – wood stoves for logs
stand alone units – tile stoves for logs
stand alone units – wood log boilers
stand alone units – automated pellet stove
stand alone units – automated chip stove
district heating systems
multiple units users
district heating systems
district heating systems
district heating system - Blindenmarkt
Heating power: 2.000 kW
Annual heating output: 3,5 Mio. kWh
Fuel requirement: ca. 2.500 m3
Costumers of district heating:
- municipality of Blindenmarkt
- school of Blindenmarkt
- residential buildings
- private houses
- municipial buildings
district heating system - Mauer
Heating power: 2.000 kW
Annual heating output: 3,0 Mio. kWh
Fuel requirement: ca. 2.500 m3
Costumers of district heating:
- schools
- private costumers
- residential buildings
district heating system - MondseeBoiler capacity: 4.000 kW
Annual heating output: 17 Mio. kWh
Fuel requirement: approx. 10.300 m3
Costumers of district heating:
- municipality of Mondsee
- trade and industry
- residential buildings
- hotels
- private costumers
district heating system - DorfgasteinBoiler for biomass: 1.500 kW
Annual heating output: 4,2 Mio. kWh
Fuel requirement: ca. 3.300 m3
Costumers of district heating:
- municipality of Dorfgastein
- hotels, guesthouses
- private costumers
- trade and industry
combinded heat and power generation
CHP - Imst
• Thermal heating power: 12 MW
• Annual heating output: 50.000 MWh
• Electric power: 1,5 MW
• Green electricity output : 9.000 MWh
• Fuel requirement: 110.000 m3
CHP - Amstetten
• Thermal heating power: 30 MW
• Annual heating output: 80 GWh
• Electric power: 5 MW
• Green electricity output: 40 GWh
• Fuel requirement: 250.000 m3
CHP - Zeltweg
• Thermal heating power: 9 MW
• Annual heating output: 50 GWh
• Electric power: 1.5 MW
• Green electricity output: 10 GWh
• Fuel requirement: 110.000 m3
CHP - Simmering
• Thermal heating power: 37 MW
• Annual heating output: 95 GWh
• Electric power: 24 MW
• Green electricity output: 160 GWh
• Fuel requirement: 600.000 m3
CHP - Simmering
combinded heat and power generation
Thank you for
attention!
Contact person
Your contact to SWH: Thomas Maier
Pummergasse 10-12, A-3002 Purkersdorf, 02231/600-601, [email protected]
