Showcasing Upper Austrian NZEBs

Transcription

1 Showcasing Upper Austrian NZEBs Gerhard Dell Energy Commissioner Upper Austria Director OÖ Energiesparverband

2 The Region of Upper Austria Oberösterreich Capital: Linz Population: 1.4 million Area: 12,000 km² Gross inland cons: 300 PJ; 35 % renewables Economic activities: industry, service sector, tourism, 25% of the Austrian industrial exports

3 OÖ Energiesparverband Organisation energy agency of Upper Austria founded (in 1991) and mostly funded by the regional government promotes energy efficiency and renewable energy provides services to private households, public bodies & businesses Services Energy advice (10,000 sessions/a) Building certification (>100,000 buildings rated since 1993) Training programmes Management of regional subsidy programmes Public awareness campaigns, events, publications Pilot projects Municipal energy strategies European cooperation World Sustainable Energy Days OEC network

4 Renewable energy & energy efficiency Energy Action Plan of Upper Austria Share of renewable energy: Share of renewable energy: 35 % of total primary energy demand (17 % biomass, 13 % hydro, 5 % solar & other renewables) > 50 % of total heating demand > 80 % of total electricity demand Avoided imports of fossil fuels: > 1 billion Euro per year Energy Action Plan: By 2030, all electricity and space heating will come from renewables! reduction of heat demand by 39 % reduction of electricity demand by 0.5 %/year minus 65 % CO 2 emissions

5 NZEB Member States must draw up national plans for increasing the number of NZEBs which include - among others: the definition of NZEBs, reflecting their national, regional or local conditions, and including a numerical indicator of primary energy use expressed in kwh/m² per year. In Austria, joint implementation by the 9 regions, supported by the OIB (joint institutes of the regions).

6 Defined energy performance indicators in Austria HWB PEB CO 2 fgee

7 Why 4 indicators? Looking at the overall efficiency of buildings is complex! Different needs need to be satisfied HWB (heat demand): insulation levels (thermal quality of the building) PEB (primary energy demand): use of resources CO 2 : climate protection f GEE (total energy performance factor): energy performance (costs)

8 Primary energy -> final energy -> heating energy demand fgee PEB final energy primary energy heat demand HWB CO 2 CO 2

9 Variations to achieve similar energy performance better insulation HWB = 36 fgee = 0,78 ventilation with heat recovery HWB = 36 fgee = 0,78 8 m² thermal solar collectors HWB = 45 fgee = 0,78 2kWpeak PV HWB = 45 fgee = 0,78 Low temperature heat distribution systems instead of high temperature distr. system HWB = 40 fgee = 0,78

10 National Plan Austria NZEB Example new homes HWB max f GEE,max PEB max CO 2max [kwh/m²a] [-] [kwh/m²a] [kg/m²a] c ) 54 0, c ) oder 16 c ) 54 0,85 12 c ) 41 oder 16 c ) 54 0,80 10 c ) 34 oder 16 c ) 54 0, Bei einem Eigenheim, A/V = 0,8

11 NZEB combine energy efficiency and renewables NZEB energy efficient construction building orientation high insulation ventilation with heat recovery air tightness no thermal bridges efficient lighting efficient appliances use of renewables solar thermal biomass heating photovoltaics use of daylight use of solar gains geothermal Many combinations possible: more efficiency - more renewables Separation of "insulation" and "heating systems" has come to an end

12 Examples NZEB-buildings Christophorus-Haus - an NZEB older than 10 years NGO active in development cooperation type of building: office, events/meeting location, small shop year of construction: 2003 construction costs: 1,205 Euro/m² 2,551 m² gross floor area 20 employees in the building heat energy indicator ("HWB"): 14 kwh/m² a building technologies and renewables: - heat pumps with depth probe, kw PV - 5 m² solar thermal - ventilation with heat recovery

13 Examples NZEB-buildings Peneder cooling with biomass type of building: office, manufacturing facility year of construction: ,800 m² gross floor area (office) heat energy indicator ("HWB"): 18.7 kwh/m² a building technologies and renewables: - wood-chip heating and cooling system (2 x 500 kw) - 30 kw PV - absorption chiller (420 kw): cooling with biomass, cooling costs: 2 /m² - thermal activation (concrete core cooling) - ventilation system with heat recovery

14 Examples NZEB-buildings ABZ Salzkammergut public building, leading by example type of building: school, boarding school, office & administration year of construction: ,000 m² gross floor area construction costs: 2,214 Euro/m² 272 students, 41 teachers in the building heat energy indicator ("HWB"): 9.4 kwh/m² a building technologies and renewables: - wood-chip heating system (450 kw) -10kW PV - 73 m² solar thermal - use of rainwater - ventilation with heat recovery - passive house standard

15 Examples NZEB-buildings Schachinger Logistikzentrum architecture meets NZEB type of building: storage facility, office, administration year of construction: ,117 m² gross floor area construction costs: 740 Euro/m² heat energy indicator ("HWB"): 8.9 kwh/m² a (office), 10.3 kwh/m² a (storage) building technologies and renewables: - heat pump (heating and cooling) -PV - ventilation with heat recovery - passive house standard Austrian National Award for Architecture 2014

16 Examples NZEB-buildings Energiewerkstatt "all inclusive" type of building: office year of construction: 2012, new construction and refurbishment 920 m² gross floor area construction costs: 2,072 Euro/m² (new part) heat energy indicator ("HWB"): 9 kwh/m² a building technologies and renewables: - pellets heating system - 15 kw PV and battery - ventilation with heat recovery - 22 m 2 solar thermal - LEDs - daylight use - charging station for electric cars

17 Examples NZEB-buildings Stadthaus Pauat expansion and renovation type of building: office year of construction: m² gross floor area 10 employees in the building construction costs: 1,688 Euro/m² (new part) heat energy indicator ("HWB"): 8 kwh/m² a building technologies and renewables: - water/water heat pump - 12 kw PV and battery - ventilation with heat recovery -28m 2 solar thermal - free cooling - passive house standard

18 Examples NZEB-buildings ETA Heiztechnik PV self-supply type of building: manufacturing year of construction: ,500 m² gross floor area construction costs: Euro/m² (manufacturing hall) - 1,050 Euro/m² (office) heat energy indicator ("HWB"): 34 kwh/m² a building technologies and renewables: - pellets and wood chip heatings system kw PV -LED - charging station for electric cars

19 Examples NZEB-buildings Haus Niederkofler a solar home type of building: single family home year of construction: m² gross floor area 2 residents heat energy indicator ("HWB"): 30 kwh/m² a building technologies and renewables: - log wood boiler -30m 2 solar thermal, 5,000 l buffer storage, 55% annual solar coverage - ventilation with heat recovery

20 Examples NZEB-buildings Haus Sommer a compact building type of building: single family home year of construction: m² gross floor area 4 residents heat energy indicator ("HWB"): 4 kwh/m² a building technologies and renewables: - pellets boiler -8m 2 solar thermal, 800 l buffer storage - 3 kw PV - ventilation with heat recovery - use of rainwater - sheep wool insulation

21 What we see in the NZEB market in Upper Austria energy performance certificate has - step by step - fundamentally changed the building market (e.g. for young families thinking about their new single-family homes, energy efficiency and renewables are key elements in their planning process) heating installers were quicker in learning about efficient buildings, architects were slower in the uptake of renewables policy leadership resulted in numerous leading renewable energy companies (especially in the heating sector): number of employees in the Oekoenergie-Cluster grew from 1,600 to 9,300 in 13 years

22 Greenhouse gas emissions Austria - buildings Source: UBA EPBD I EPBD II

23 Thank you! Gerhard Dell Energy Commissioner Upper Austria Director OÖ Energiesparverband