nzeb Miimu Airaksinen, Riikka Holopainen

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1 nzeb Miimu Airaksinen, Riikka Holopainen

2 2 Nollaenergiarakennus A nearly zero-energy building is a building that has a very high energy performance. The nearly zero or very low amount of energy required should be covered to a very significant extent by energy from renewable sources, including energy from renewable sources produced on-site or nearby (Article 2/EPBD recast)

3 8/23/13 Nollaenergiarakentaminen Rakennuksen energiantarve riittävän pieneksi varmistaen hyvä rakennusfysikaalinen toiminta ja hyvä sisäilma Energian tuotanto rakennuksissa/alueella lisääntyy Energiantarpeesta katetaan merkittävä osa talossa tai sen läheisyydessä tuotetulla uusiutuvalla energialla Energianvarastointi ja kaksisuuntaiset energiaverkot tulevat tärkeämmiksi Kuvat Villa Isover Arkkitehti: Tiina Antinoja 3

4 4 Nollaenergiarakennukset eivät ole uusi asia: IEA5-talo, Pietarsaari Lähes nollaenergiatalo Rakennettu jo 1994 Pietarsaaren asunto-messuille Asuntopinta-ala 166 m 2 E-luku nyt 68 kwh/m 2 Aurinkosähköjärjestelmän uusiminen: E-luku 0 kwh/m 2 E-luku = ostoenergia talossa tuotettu energia

5 5 Rakenteet: IEA5-talon ulkovaippa Puurakenteinen pientalo Ulkoseinät ja lattia suurelementtirakenteina Seuranta 18 vuotta: ei kosteus- tai homeongelmia Kivivillaeristys Ulkoseinä 325 mm, U-arvo 0,14 W/ m 2 K Yläpohja 500 mm, U-arvo 0,09 W/ m 2 K Alapohja (rossipohja) 500 mm, U- arvo 0,09 W/m 2 K Ikkuna 0,7 W/m 2 K

6 6 Uudet eristemateriaalit Aerogel, the lowest thermal conductivity ever known lamda< 0,012W/mK in ambient conditions The main goal of the AEROCOINs project is to develop a new composite/ hybrid aerogel material to improve the thermal insulating performance of existing buildings aiming at reducing their energy demands.

7 7 Tekniikka ja uusiutuvat: IEA5-talo Rakennuksen ostoenergiantarve 7600 kwh vuodessa Aurinkolämpö Tuotto 2000 kwh vuodessa Varastointi 3 m 3 varaajaan Aurinkosähkö: Alkuperäinen järjestelmä 2 kwp Uusi järjestelmä 8 kwp Tuotto 7600 kwh vuodessa Maalämpö, lämpökerroin 4,0 4,5 Koneellinen, lämmön talteenotolla varustettu ilmanvaihto

8 8 Energianvarastointi ja älykkäät energiaverkot European Technology Platform Smartgrid 2006 DESIGN4ENERGY - Building life- cycle evolu9onary Design methodology able to create Energy- efficient Buildings flexibly connected with the neighbourhood energy system DOF - District of the Future: Future: A Modular Open Big Data Energy Op9mising Framework EDIANA - Embedded Systems for Energy Efficient Buildings EEPOS - Energy management and decision support systems for Energy POSi9ve neighbourhoods E- HUB - Energy- Hub for residen9al and commercial districts and transport MESSIB - Mul9- source energy storage system integrated in buildings AMBASSADOR - Autonomous Management System Developed for Building and District Levels CITYOPT - Holis9c simula9on and op9miza9on of energy systems in Smart Ci9es Etc.

9 9 Missmatch tuntitaso Nollaenergiapientalon tuntitason käyttäytyminen. Kokonaiskulutus 8400 kwh/a (laitteet+lämmitys). PV 60 m 2 Kokonaiskulutus (laitteet + lämmitys) 8400 kwh/m kw PV (60 m 2 ) Syöttö verkkoon/ akkuihin Power, W Sähköteho (W) Verkosta/akuista (W) Verkkoon/akkuihin Otto verkosta/ akuista Hours Vuoden tunnit Tehon kulutuksen suuruus ja ajankohta tulevat korostumaan tulevaisuudessa Älykäs ohjaus ja hallinta (peak shifting and shaving) Vuositason nollanenergiatalo on tuntitasolla vain 20-30%.

10 10 Huipputehon pienentäminen on paljon vaikeampaa kuin energiankulutuksen Airaksinen M., Vuolle M.,2013, Heating Energy and Peak-Power Demand in a Standard and Low Energy Building, Energies 2013, 6,

11 11 Smart energy networks research integration VTT Apros integrating many sub tools Multi objective modelling

12 8/23/13 12 Viime vuosien referenssejä Suomesta Kivitasku Villa Isover Opiskelija-asunto Puuseppä Onnelanpolku, vanhusten palvelutalo Järvenpään vanhusten palvelutalo

13 13 Kititasku ratkaisut Tekniikka: Lämpöpumppulämmitys LED valot Tehokkaat sähkölaitteet Aurinkolämpö Aurinkosähkö 8 kwp Ulkoseinät ja yläpohja elementtirakenteina Polyuretaanieristys Ulkoseinän U-arvo 0,09 W/m 2 K Yläpohjan U-arvo 0,08 W/m 2 K Alapohjan U-arvo 0,09 W/m 2 K Ikkuna 0,7 W/m 2 K

14 14 Villa Isoverin ratkaisut Maalämpö Ikkunoiden varjostus kesällä Aurinkosähkö ~9 kw, 60 m 2 Aurinkolämpö 6 m 2 Rakenneratkaisut Ulkoseinä U = 0,08 W/m 2 K Yläpohja U = 0,06 W/m 2 K Alapohja U = 0,09 W/m 2 K Ikkunat ja ovet U = 0,7 W/m 2 K Ilmanvaihdon lämmön talteenoton hyötysuhde 80% Ilmanvuotoluku n 50 0,4 1/h Arkkitehti SAFA Tiina Antinoja & arkkitehtiopiskelija Olli Metso

15 15 Opiskelija-asuntola Puuseppä, Kuopio Huoneistoala 1945 m 2 47 opiskelija-asuntoa Tehokas tilankäyttö (rakennuksen muoto) Nollaenergiatarkastelussa otettu huomioon tilojen ja käyttöveden lämmitys ja talotekniikan sähkö

16 16 Onnelanpolku, vanhusten palvelutalo, Lahti Lähes nollaenergiatalo m 2 Tavoite 60 kwh/m 2 (E-luku) Käyttäjälähtöinen tilasuunnittelu Kilpailuttaminen

17 17 Examples of VTT s recent and ongoing European research projects ADDRESS - Ac9ve Distribu9on networks with full integra9on of Demand and distributed energy RESourceS AEROCOINS - Aerogel- Based Composite/Hybrid Nanomaterials for Cost- Effec9ve Building Super- Insula9on Systems AIRLOG - Integrated plavorm for intelligent indoor air quality audit management AMBASSADOR - Autonomous Management System Developed for Building and District Levels CITYOPT - Holis9c simula9on and op9miza9on of energy systems in Smart Ci9es DeLA - Nanosciences, nanotechnologies, materials and new produc9on technologies deployment in La9n American countries DESIGN4ENERGY - Building life- cycle evolu9onary Design methodology able to create Energy- efficient Buildings flexibly connected with the neighbourhood energy system DOF - District of the Future: Future: A Modular Open Big Data Energy Op9mising Framework EDIANA - Embedded Systems for Energy Efficient Buildings EEPOS - Energy management and decision support systems for Energy POSi9ve neighbourhoods E- HUB - Energy- Hub for residen9al and commercial districts and transport GUGLE - European ci9es serve as green urban gate towards leadership in sustainable energy HOLISTEEC - Holis9c and Op9mized Life- cycle Integrated SupporT for Energy- Efficient building design and Construc9on HOSPILOT - Intelligent energy efficiency control in hospitals ICT 4 E2B FORUM - European stakeholders forum crossing value and innova9on chains to explore needs, challenges and opportuni9es in further research and integra9on of ICT systems for Energy Efficiency in Buildings IDEAS - Intelligent NeighbourhooD Energy Alloca9on & Supervision INTUBE - Intelligent use of buildings' energy informa9on IREEN - ICT Roadmap for Energy- Efficient Neighbourhoods MEEFS RETROFITTING - Mul9func9onal Energy Efficient Façade System for Building Retrofi^ng MESSIB - Mul9- source energy storage system integrated in buildings NEWBEE - Novel Business model generator for Energy Efficiency in construc9on and retrofi^ng NORTHPASS - Promo9on of the Very Low Energy House Concept to the North European Building Market PERFECTION - Performance indicators for health, comfort and safety of the indoor environment POBICOS - PlaVorm for opportunis9c behaviour in incompletely specified, heterogeneous object communi9es REEB - The European strategic research roadmap to ICT enabled energy- efficiency in buildings and construc9on REVISITE - Roadmap Enabling Vision and Strategy for ICT- enabled Energy Efficiency READY4SmartCi9es- ICT Roadmap and Data Interoperability for Energy Systems in Smart Ci9es SEAM4US - Sustainable Energy Management for Underground Sta9ons SUPERBUILDINGS - Sustainability and performance assessment and benchmarking of buildings SURE PRO - Improved tools for Sustainable Retrofi^ng SUSREF - Sustainable refurbishment of building facades and external walls SUS- Smart Urban Spaces

18 18 VTT s position in the European R&D&I landscape Million Tekes ERA-income EU-income VTT at the European Research Ranking: 2011 : Nr : Nr : Nr : Nr : Nr. 39 Finnish beneficiaries share of FP7 funding Overall: VTT has been able to double it s EU funding during FP7 and is very well positioned as one of the major players in FP7

19 19 VTT international activities EERA, European Energy Research Alliance, Fifteen leading European Research Institutes have taken up the energy and climate challenge to found EERA. EERA Executive Board is chaired by VTT s President and CEO. ECTP, E2BA, The European Construction Technology Platform has set up the Energy Efficient Building European Initiative (E2B EI), steered by the Energy Efficient Buildings Association (E2BA). VTT is member of E2B s Steering group, Scientific Committee and Industry Advisory Group. IEA, International Energy Agency has established an Implementing Agreement on Energy Conservation in Buildings and Community Systems (ECBCS). VTT is ExCo representative of Finland. JRC, Joint Research Centre of European Commission s in-house science service, independent, evidence-based scientific and technical support throughout the whole policy cycle. VTT s President and CEO is Member of the JRC Board of Governors. EIP, European Innovation Partnership (EIP): Smart Cities and Communities, VTT s president is member of High Level Group,,

20 20 Some additional networks Nordic Built Arena Executive forum Center for Zero-Emission Buildings (NTNU, Norway), advisory board member COST (European Cooperation in Science and Technology) CIB, International Council for Research and Innovation in Building and Construction Concerted Action (CA) EPBD ISO TC 57 SC 17 Sustainability in building construction (convenor of WG2) CEN TC 350 Sustainability of construction works Sustainable Building Alliance (steering committee) European steel technology platform, European forest technology platform ENBRI, European Network of Building Research Institutes REHVA Federation of European Heating, Ventilation and Air-conditioning Association

21 21 Tulevaisuuden korostuu kokonaisuuden monitavoiteoptimointi: viihtyisyys, kulutettu energianmäärä, päästöt, energian laatu ja huippukuorman suuruus sekä sen ajoitus

22 22 teknologiaa yhteiskunnan ja elinkeinoelämän hyväksi