workshop vienna, 2nd july 08 the „energy in minds!“ - project in the energy region...
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Workshop Vienna, 2nd july 08
The „Energy in minds!“ - project The „Energy in minds!“ - project in the energy region Weiz-Gleisdorfin the energy region Weiz-Gleisdorf
Workshop Vienna, 2nd july 08
WeiWeizzWeiWeizz
GleisdorfGleisdorfGleisdorfGleisdorf
17 communities17 communities
38 500 inhabitants38 500 inhabitants
Energy region Weiz-GleisdorfEnergy region Weiz-Gleisdorf
Workshop Vienna, 2nd july 08
Project Partner in AustriaProject Partner in AustriaCoordination of the energy region Weiz-Gleisdorf: W.E.I.Z.
Research organisation: AEE INTECInstitut for sustainable technologies
Utility: Feistritzwerke STEWEAG GmbH
Workshop Vienna, 2nd july 08
Research/InnovationResearch/Innovation
Information campaignPublic energy day Innovative PV-systemsBio-fuelled co-generationHigh efficient retrofitEstablish wood-pellet
infrastructureDissemination
Workshop Vienna, 2nd july 08
DemonstrationDemonstration
Innovativ solar thermal systems80 solar-comby-systems in private households (10 – 20m²)
8 large-scale-systems f. resident.buildings or tourism.comp.
Innovative PV-systems 25 PV-Systems in private households with about 3 kWp
Improve district heating system 15 local district heating systems with about 150 kWhth, using
woodchips or pellets
1.000 Energy checks for buildings
Workshop Vienna, 2nd july 08
DemonstrationDemonstrationHigh efficient retrofit
7000 m² residential-buildings
2500 m² public-buildings
1000 m² office-buildings
New low-energy buildings
4500 m² residential-buildings with passivhouse-standard
Communal energy management
Establish wood-pellet infrastructure
110 pellet boilers with 10 to 30 kW
Establish bio-fuel infrastructure
Workshop Vienna, 2nd july 08
DEM: for example: Plant oil-infrastructureDEM: for example: Plant oil-infrastructure
Two new fuel stations
Training course for garage owners and mechanics
Installation of an show room
Adaption of 30 vehicles to use plant oil
Workshop Vienna, 2nd july 08
Solar thermal systemsSolar thermal systemsSince June 2005 we installed 1331,9m² = 67 solar plants (one family houses)
Workshop Vienna, 2nd july 08
Pellet burnersPellet burnersSince June 2005 we installed 886 kW= 56 pellet burners (one family houses)
Workshop Vienna, 2nd july 08
New buildings New buildings (one family (one family houses)houses)
Since June 2005 we supported 2214 m² of new buildings.
Workshop Vienna, 2nd july 08
Retrofits - one family housesRetrofits - one family houses
Energy characteristic: 258 kWh/m²aEnergy characteristic: 58 kWh/m²a
Since June 2005 we supported 2327m² of retrofits.
Workshop Vienna, 2nd july 08
Retrofits - one family housesRetrofits - one family housesMeasurements
Roof: 40 cm heat insulationOuter walls: 12 cm insulationWindows: U-value 1,1 W/m²KHeating system: solar thermal system 20m², wood boiler, storage tank 1000l
Workshop Vienna, 2nd july 08
Retrofits - one family housesRetrofits - one family housesEnergy characteristic: 205 kWh/m²aEnergy characteristic: 54 kWh/m²a
Workshop Vienna, 2nd july 08
PV-plantsPV-plants
PV-power: 3.040 Wp
16m² therm. Collector
12 kWh/m² heating
PV-Power: 4.700 Wp
Low energy-buildingin massive construction
< 12 kWh/m² heating
Workshop Vienna, 2nd july 08
District heating systemsDistrict heating systems- 7 plants finished – 820 kWth
Workshop Vienna, 2nd july 08
Communal energy managementCommunal energy managementStreetlightsStreetlights
- in 4 communities, installationion of energy saving streetlights
- using new lamp-technology, reduction of operatingvoltage
Workshop Vienna, 2nd july 08
Bio-fuel „plant oil“Bio-fuel „plant oil“- 8 vehicles adaped to bio fuel and in operation- 2 filling stations will be finished in July 2008
- 1 trasportable show-element to present the technology in the region
Workshop Vienna, 2nd july 08
Bio-fuel co-generation plantsBio-fuel co-generation plants1 plant running, 2 plants under construction
- Electric Power: 8 kW – grid-connected
- Thermal output: 18 kW – for heating office-building
- Overall efficiency: aprox. 91%
Workshop Vienna, 2nd july 08
Monitoring for Energy in Monitoring for Energy in minds!° - projectsminds!° - projects
Workshop Vienna, 2nd july 08
u- values before and after the retrofit
before after
· floor ceiling 0,49 W/m²K 0,15 W/m²K· outer walls 0,96 W/m²K 0,30 W/m²K· outer wall (not heated area) 2,85 W/m²K 0,44 W/m²K· outer wall (ground) 1,95 W/m²K 0,43 W/m²K· celler ceiling 0,56 W/m²K 0,30 W/m²K· celler floor 0,72 W/m²K 0,29 W/m²K· floor and celler ceiling (external air 1,07 W/m²K 0,29 W/m²K· windows 2,80 W/m²K 1,14 W/m²K
Buildings
Workshop Vienna, 2nd july 08
BuildingsEnergy demand:
Before: 157 kWh/m²a
After: 24 kWh/m²a
Energy costs:
Before: 30.450 €/year
After: 4.190 €/year
Workshop Vienna, 2nd july 08
Solar Thermal System and Pellet Boiler
– Family Hausmann, Gleisdorf
19.5 m²
1,250 litres storage tank
Domestic hot water is generated by a flat plate heat exchanger
10 kW pellet boiler for auxiliary heating
Workshop Vienna, 2nd july 08
Monitoring Solar Thermal System and Pellet Boiler
– Family Hausmann, Gleisdorf
House energy demand of 43 kWh/m²a for 150 m² living area
The 19.5 m² solar thermal collector area was architectural integrated in the building’s south facade
Workshop Vienna, 2nd july 08
Hausmann Pellet
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Workshop Vienna, 2nd july 08
Solar Thermal System and pellet boiler
– Family Wolf, Gleisdorf
15 m²
1,000 litres storage tank
10 kW pellet boiler for
auxiliary heating
Workshop Vienna, 2nd july 08
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