Climate neutral buildings and districts first projects in ... · Facilitator Climate neutral buildings and districts – first projects in Germany Oliver Rosebrock, November 14, New

Facilitator

Climate neutral buildings and districts – first projects

in Germany

Oliver Rosebrock, November 14, New York

Facilitator

Where are we located?

14.11.2017 | Page 2

253.000

624.000

1.250 people / km²

2.855 people / km² Germany

Braunschweig

Stuttgart

8.500.000 NYC

10.350 people / km²

Facilitator

Who we are…

14.11.2017 | Page 3

renewable energy applications

integralenergy concepts

building physics

Technology and Innovation Network MNFUNIV.-PROF. DR.-ING. M. NORBERT FISCH

Stuttgart · Braunschweig · Aachen · Shanghai · Bangkok

Steinbeis-TZStuttgart

EGS-planStuttgart

energydesignBraunschweig

Institut für Gebäude-und Solartechnik IGS

TU Braunschweig



building physics

building services

Partner in Research + Science



building physics



building services

building physics



SynavisionRWTH Aachen

TU Braunschweig

EGSplan Int.Bangkok

Facilitator

Goals of the future in Germany

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electricity

consump.

– 25 %

ch

an

ge

[%]

100

80

60

40

20

0

1990 2020 2030 2040 2050

RE + 60 %

primary energy

consump.– 50 %

CO2- emission

– 80 %

2050 Long term objectives

Facilitator

Energy supply today

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PE-consumption

natural gas

PE PE

electricity

households,

trade, commerce

and services

industry

traffic

MW power plants

PE

How?

Facilitator

PE

PE-consumption

natural gas

PE PE

electricity

households,

trade, commerce

and services

industry

traffic

MW power plants

future – strategy 1 - RE

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Facilitator

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future – strategy 2 – E-Mobility

PE

PE-consumption

natural gas

PE PE

electricity

households,

trade, commerce

and services

industry

traffic

MW power plants

Facilitator

14.11.2017 | Page 8

future – strategy 3 – efficiency

PE

PE-consumption

natural gas

PE PE

electricity

households,

trade, commerce

and services

industry

traffic

MW power plants

η

η

η

Facilitator

14.11.2017 | Page 9

Vision of energy supply - decentraliaztion

e-mobility

industry

non-

residential builidngs

residential buildings

district

Smart Homes

Smart

Buildings

E--

Mobility

CO2- neutral

academy

Green City

Tower

Facilitator

14.11.2017 | Page 10

Roadmap Germany

German National Roadmap

„Energy efficient buildings and cities“

Goal:

By 2020 all new buildings are

nearly zero-energy buildings”

Facilitator

14.11.2017 | Page 11

The road to climate neutral city districts

from buildings to districts

Leonberg

Frankfurt

Berghalde, Warmbronn

Aktivhaus+, Ffm-Riedberg

AktivStadthaus, Frankfurt

Konstanz

Schmidtenbühl

Neumarkt

Neu-Ulm

WGG, Neumarkt

EPA, Neu-Ulm

Facilitator

14.11.2017 | Page 12

EnergyPlus SFH (2010) Berghalde, Leonberg

lighting

battery-storage

heat pump

photovoltaics

household appliances

Building Management System (BMS)

e-mobil

LED

Facilitator


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Facilitator


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En

erg

yP

lus

ele

ctr

icit

y

su

pp

lyg

rid

PV

-dir

ec

t

se

lfu

se

en

erg

y q

ua

nti

ty[k

Wh

]

total electricity

consumption

total solar (PV)

energy gain

Facilitator

EnergyPlus MFH (2015) Speicherstraße, Frankfurt

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pictures to be found here:

https://www.abg-fh.com/bauen/aktuelle-

projekte/aktiv-stadthaus.html

Facilitator


14.11.2017 | Page 16

heat pump

PV

grid sewage

PV- power

330 kWp

annual gain

300.000 kWh/a

Energy payback time

7–8 years

appartment house

74 flats

living area

6.500 m2

250 kWP

80 kWP

120 kWth

250 kWh

Facilitator

0

50

100

150

200

250

300

Apr 16 Mai 16 Jun 16 Jul 16 Aug 16 Sep 16 Okt 16 Nov 16 Dez 16 Jan 17 Feb 17 Mrz 17

ele

ctri

cal e

ne

rgy

[MW

h]

total consumption pv-production PV-self use


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EnergyPlus

PV-direct

self use

electricity

supply grid

Facilitator

Key facts for Energy Plus - residential buildings

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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

Facilitator

EnergyPlus school (2015) WGG, Neumarkt

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pictures:

http://www.berschneider.com/projekte/oeffentliche-baut

en/ab-2010/neubau-wgg-neumarkt/

Facilitator


14.11.2017 | Page 20

216 kWp

130 kWh

96 x 8 -12 m 4.400 m²

75 kWp

Serverabwärme

86 kWth

96 x 8-12 m 4.400 m²

130 kWh

75 kWp

216 kWp

Serverabwärme

400 kWth

planned PV: 600 kWp

implemented PV: 290 kWp

Facilitator


14.11.2017 | Page 21

self use

electricity total

pv-total

fin

al e

ne

rgy

[k

Wh

]

2016

PV-direct self use

electricity supply grid

gas

Facilitator

14.11.2017 | Page 22

(smart) single

family house

climate neutral city district

(smart) multi

family house

e-mobilitylocal renewable

energy

local storage

systems

cross-linked

building functions

Climate neutral districts

Facilitator

14.11.2017 | Page 23

Climate neutral districts – innovation cycle

climate neutral cities and urban districts

holistic sustainable renovation of urban settlements

Integrated approach

buildings and mobility

EFH MFH

Optimization

of building operation

Building as power plant

Net Zero / Surplus energy

Facilitator

14.11.2017 | Page 24

Climate neutrality for districts - definition

CO2 - Consumption

Fuels

Electricity

production

credits

input output

CO2 - Credits

Electricity

Facilitator

14.11.2017 | Page 25

Climate neutrality – how?

reduction of heat-

and electricity-demand

efficient conversion of energy

Use of renewable energy

Facilitator

14.11.2017 | Page 26

The road to climate neutral city districts

from buildings to districts

Esslingen

Campus TU BS, Braunschweig

Esslingen

WolfsburgBraunschweig

Wolfsburg

Facilitator

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EnEff Campus – TU Braunschweig

Facilitator

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2020: primary energy minus 40% improvement of learn and living conditions

2035: climate-neutral Campus nearly balanced CO2- footprint

Facilitator

14.11.2017 | Page 29


phase I – master plan

project term: 2012 – 2015

• delivery BMWi: (1,6 Mio. €)

phase II - realization

2015 – 2018

• 1,7 Mio. €

vision

04/2012 09/2015

realization

monitoring

2020 2030 2050 phase III - continuation…. ?

master plan

Facilitator

14.11.2017 | Page 30


TU Braunschweig

6 faculties

120 institutes

3.500 employees

19.500 students

200 buildings (80 % older than 40 years)

400.000 m² net floor area (NGF)

energy consumption

heat: 106 kWh/m²NGF a (43 GWh/a)

electricity: 87 kWh/m²NGF a (35 GWh/a)

energy costs: ca. 11 Mio. €/a

Facilitator

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Facilitator

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(primary energy savings)

- 8 % building envelope

120 Mio. € (300 €/m²NFA)

> 20 a

- 14 % building services

4 Mio. €

2,5 a

- 6 % photovoltaics

5 Mio. €

10 a

- 2 % integration CHP

0.6 Mio. €

2 a

- 8 % lighting

2.6 Mio. €

3 a

- 3 % technical equipment

1 Mio. €

5 a

- 3 % area efficiency

- €

? a

- 8 % integration CHP

0.1 Mio. €

< 1 a

user information

-40 % PE

13 Mio. € invest

< 10 a amortisation time

Facilitator

14.11.2017 | Page 33


measures

9 PV-plants 615 kWp

3 big ventilation units

3 buildings „Verkehrsflächen“ LED-lighting

assumption 100% renewable electricity

Facilitator

14.11.2017 | Page 34


electricity

heat

electricity

heat

electricity

heat

electricity

heat

Facilitator

14.11.2017 | Page 35

Neue Weststadt Esslingen

Facilitator

14.11.2017 | Page 36

Neue Weststadt Esslingen

Total gross floor area: ~ 105.000 m²

residential ~ 56.000 m² ; commercial ~ 24.000 m² ; university ~ 25.000 m²

Time schedule: 2016 - 2022

Facilitator

14.11.2017 | Page 37

Neue Weststadt Esslingen – energy concept

gas grid

Blocks C + B:

electr. grid

Blocks E + D:

H2 - Mobility,

buses

Sewage water

H2

„Second–Life

Battery“

~ 500 kWh/Block

Infrastructure

H2- / e-Mobility

Electrolyser PEMFC

Power to gas

Siemens AG; PEM-ElektrolyseurBosch AG; SOFC, Solide Oxide Fuel Cell

Facilitator

14.11.2017 | Page 38


H2

biogas

Facilitator

14.11.2017 | Page 39


Additional generation of „green“ electricity necessary! (CHP, additional PV area, regional production of electricity and biomethane)

resid. + commerial

~ 1.250 kWp

university

~ 1.000 kWp

parkade

~ 250 kWp

PV production ~ 2.250 MWh/a

total

~ 2.500 kWp

Electricity consumption ~ 4.500 MWh/a ~ 50% solar coverage!

Facilitator

14.11.2017 | Page 40

Neue Weststadt Esslingen – energy balance 1st block

Facilitator

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Outlook: Zukunftsraum Wolfsburg H

EL

LW

INK

EL

NO

RD

ST

EIM

KE

ST

EIM

KE

R G

ÄR

TE

N

750 AU

Facilitator

Integral research team TU Braunschweig

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Outlook: Zukunftsraum Wolfsburg

Institut für Gebäude- und Solartechnik

Institut für Volkswirtschaftslehre

actors/stakeholders Wolfsburg

Stadt Wolfsburg

Stadtwerke Wolfsburg

Wolfsburg AG VW Zukunftsforschung

real estate

Volkswagen Immobilien

Neuland

Institut für Städtebau und Entwurfsmethodik

http://www.stadtwerke-wolfsburg-ag.de/stawag.html

http://www.nld.de/

http://www.tu-braunschweig-isl.de/STAEDTEBAU_UND_ENTWURFSMETHODIK

Facilitator

14.11.2017 | Page 43

Outlook: Zukunftsraum Wolfsburg

•Scenarios for a systemic cross-linked

(nearly) CO2-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

Facilitator

14.11.2017 | Page 44

districts: summary

City district

single

family house

multi

family house

- investigations on districts required!

- various actors and ownerships – challenge!

- more technical flexibility for cogeneration and implementation of renewable energy

- storage systems necessary

Facilitator

Thank you for your attention!

Oliver Rosebrock

Institute for Building Services and Energy Design

TU Braunschweig

[email protected]

+49 531 391 3598

Documents

Climate neutral buildings and districts first projects in ... · Facilitator Climate neutral buildings and districts – first projects in Germany Oliver Rosebrock, November 14, New