Climate neutral buildings and districts first projects in Germany

Transcription

1 Climate neutral buildings and districts first projects in Germany Oliver Rosebrock, November 14, New York

2 Where are we located? NYC people / km² people / km² Germany people / km² Stuttgart Braunschweig Page 2

3 Who we are Technology and Innovation Network MNF UNIV.-PROF. DR.-ING. M. NORBERT FISCH Stuttgart Braunschweig Aachen Shanghai Bangkok Partner in Research + Science Steinbeis-TZ Stuttgart EGS-plan Stuttgart energydesign Braunschweig EGSplan Int. Bangkok Institut für Gebäudeund Solartechnik IGS TU Braunschweig Synavision RWTH Aachen TU Braunschweig renewable energy applications renewable energy applications integral energy concepts integral energy concepts building physics building physics building services building services Page 3

4 change [%] Goals of the future in Germany Long term objectives electricity consump. 25 % RE + 60 % 40 primary energy consump. 50 % CO 2 - emission 80 % Page 4

5 Energy supply today PE MW power plants households, trade, commerce and services PE-consumption electricity industry How? traffic natural gas PE PE Page 5

6 future strategy 1 - RE PE MW power plants households, trade, commerce and services PE-consumption electricity industry traffic natural gas PE PE Page 6

7 future strategy 2 E-Mobility PE MW power plants households, trade, commerce and services PE-consumption electricity industry traffic natural gas PE PE Page 7

8 future strategy 3 efficiency PE electricity MW power plants η households, trade, commerce and services PE-consumption industry η traffic η natural gas PE PE Page 8

9 Vision of energy supply - decentraliaztion industry Smart Homes Green City Tower district e-mobility residential buildings Smart Buildings CO 2 - neutral academy nonresidential builidngs E-- Mobility Page 9

10 Roadmap Germany German National Roadmap Energy efficient buildings and cities Goal: By 2020 all new buildings are nearly zero-energy buildings Page 10

11 The road to climate neutral city districts from buildings to districts Aktivhaus+, Ffm-Riedberg AktivStadthaus, Frankfurt Berghalde, Warmbronn Frankfurt Neumarkt Leonberg Neu-Ulm Konstanz WGG, Neumarkt Schmidtenbühl EPA, Neu-Ulm Page 11

12 EnergyPlus SFH (2010) Berghalde, Leonberg photovoltaics battery-storage heat pump e-mobil LED lighting household appliances Building Management System (BMS) Page 12

13 EnergyPlus SFH (2010) Berghalde, Leonberg Page 13

14 PV-direct self use electricity supply grid energy quantity [kwh] EnergyPlus EnergyPlus SFH (2010) Berghalde, Leonberg total solar (PV) energy gain total electricity consumption Page 14

15 EnergyPlus MFH (2015) Speicherstraße, Frankfurt pictures to be found here: Page 15

16 EnergyPlus MFH (2015) Speicherstraße, Frankfurt appartment house 74 flats living area m 2 PV- power 330 kw p annual gain kwh/a Energy payback time 7 8 years 80 kw P PV 250 kw P 250 kwh 120 kw th sewage heat pump grid Page 16

17 electrical energy [MWh] EnergyPlus MFH (2015) Speicherstraße, Frankfurt 300 total consumption pv-production PV-self use 250 EnergyPlus 200 electricity supply grid PV-direct self use 0 Apr 16 Mai 16 Jun 16 Jul 16 Aug 16 Sep 16 Okt 16 Nov 16 Dez 16 Jan 17 Feb 17 Mrz Page 17

18 Key facts for Energy Plus - residential buildings EnergyPlus up to 5-7 floors achievable Key role: PV + heat pump + Low temperature systems Larger thermal energy storage required Demand site management (DSM) Self-use of PV-electricity more important than EnergyPLUS Interaction between building and grid required Page 18

19 EnergyPlus school (2015) WGG, Neumarkt pictures: en/ab-2010/neubau-wgg-neumarkt/ Page 19

20 EnergyPlus school (2015) WGG, Neumarkt 216 kwp 216 kwp planned PV: 600 kwp implemented PV: 290 kwp 75 kwp 75 kwp 130 kwh 130 kwh 86 kw th 400 kw th 96 x 8-12 m m² 96 x 8-12 m m² Serverabwärme Serverabwärme Page 20

21 final energy [kwh] EnergyPlus school (2015) WGG, Neumarkt 2016 gas electricity supply grid pv-total electricity total self use PV-direct self use Page 21

22 Climate neutral districts (smart) single family house (smart) multi family house local renewable energy local storage systems cross-linked building functions e-mobility climate neutral city district Page 22

23 Climate neutral districts innovation cycle Building as power plant Net Zero / Surplus energy Optimization of building operation EFH MFH Integrated approach buildings and mobility climate neutral cities and urban districts holistic sustainable renovation of urban settlements Page 23

24 Climate neutrality for districts - definition Fuels Electricity Electricity production credits CO2 - Consumption CO2 - Credits input output Page 24

25 Climate neutrality how? Use of renewable energy reduction of heatand electricity-demand efficient conversion of energy Page 25

26 The road to climate neutral city districts from buildings to districts Campus TU BS, Braunschweig Wolfsburg Braunschweig Wolfsburg Esslingen Esslingen Page 26

27 EnEff Campus TU Braunschweig Page 27

28 EnEff Campus TU Braunschweig 2020: primary energy minus 40% improvement of learn and living conditions 2035: climate-neutral Campus nearly balanced CO 2 - footprint Page 28

29 EnEff Campus TU Braunschweig phase I master plan project term: delivery BMWi: (1,6 Mio. ) phase II - realization ,7 Mio. 04/ /2015 master plan realization phase III - continuation.? monitoring vision Page 29

30 EnEff Campus TU Braunschweig TU Braunschweig 6 faculties 120 institutes employees students 200 buildings (80 % older than 40 years) m² net floor area (NGF) energy consumption heat: 106 kwh/m² NGF a (43 GWh/a) electricity: 87 kwh/m² NGF a (35 GWh/a) energy costs: ca. 11 Mio. /a Page 30

31 EnEff Campus TU Braunschweig Page 31

32 EnEff Campus TU Braunschweig - 8 % building envelope 120 Mio. (300 /m² NFA ) (primary energy savings) - 8 % lighting 2.6 Mio. > 20 a 3 a - 14 % building services 4 Mio. - 6 % photovoltaics -40 % PE - 3 % technical equipment 1 Mio. 2,5 a 5 a 13 Mio. invest - 3 % area efficiency 5 Mio. - < 10 a amortisation time 10? a - 2 % integration CHP 0.6 Mio. - 8 % integration user information CHP 0.1 Mio. 2 a < 1 a Page 32

33 EnEff Campus TU Braunschweig measures 9 PV-plants 615 kwp 3 big ventilation units 3 buildings Verkehrsflächen LED-lighting assumption 100% renewable electricity Page 33

34 EnEff Campus TU Braunschweig electricity electricity electricity electricity heat heat heat heat Page 34

35 Neue Weststadt Esslingen Page 35

36 Neue Weststadt Esslingen Total gross floor area: ~ m² residential ~ m² ; commercial ~ m² ; university ~ m² Time schedule: Page 36

37 Neue Weststadt Esslingen energy concept Blocks E + D: Blocks C + B: H 2 - Mobility, buses Power to gas H 2 Electrolyser PEMFC Second Life Battery ~ 500 kwh/block Infrastructure H 2 - / e-mobility Sewage water gas grid electr. grid Bosch AG; SOFC, Solide Oxide Fuel Cell Siemens AG; PEM-Elektrolyseur Page 37

38 Neue Weststadt Esslingen energy concept biogas H Page 38

39 Neue Weststadt Esslingen energy concept parkade ~ 250 kwp university ~ kwp resid. + commerial ~ kwp total ~ kwp PV production ~ MWh/a Electricity consumption ~ MWh/a ~ 50% solar coverage! Additional generation of green electricity necessary! (CHP, additional PV area, regional production of electricity and biomethane) Page 39

40 Neue Weststadt Esslingen energy balance 1 st block Page 40

41 NORDSTEIMKE STEIMKER GÄRTEN HELLWINKEL Outlook: Zukunftsraum Wolfsburg 750 AU Page 41

42 Outlook: Zukunftsraum Wolfsburg Integral research team TU Braunschweig Institut für Gebäude- und Solartechnik Institut für Städtebau und Entwurfsmethodik Institut für Volkswirtschaftslehre actors/stakeholders Wolfsburg real estate Stadt Wolfsburg Volkswagen Immobilien Stadtwerke Wolfsburg Neuland Wolfsburg AG VW Zukunftsforschung Page 42

43 Outlook: Zukunftsraum Wolfsburg Scenarios for a systemic cross-linked (nearly) CO 2 -neutral energy supply 1. district level 2. Zukunftsraum Wolfsburg (total system) maximum renewable energies high self-use of local generated electricty cross-linking new build and existing stock linking heat-electricity-mobility benchmarks for CO2-reduction costs Know-How-Transfer for urban planning, energy supplier, investors and planning engineers Page 43

44 districts: summary single family house multi family house - investigations on districts required! City district - various actors and ownerships challenge! - more technical flexibility for cogeneration and implementation of renewable energy - storage systems necessary Page 44

45 Thank you for your attention! Oliver Rosebrock Institute for Building Services and Energy Design TU Braunschweig