Identifying possible next steps for the work of U N E C E · 2015-04-22 · Energy efficiency...

Dr. Burkhard Schulze Darup DENEFF Germany

ENERGY EFFICIENCY STANDARDS IN BUILDINGS UNECE 20-21 April 2015

Identifying possible next steps for the work of U N E C E

2 Spirce: Dr. Burkhard Schulze Darup, Architekt

Low energy building

Passivehouse

EnEV

201

4 –

2016

- 20

18

Passivehouse & renewables = Plus energy

Electricity Line loss Hot water Heating

Development of energy efficiency in Germany

3 Source: Dr. Burkhard Schulze Darup, Architekt

Low energy building

Passivehouse

EnEV

201

4 –

2016

- 20

18

E

PBD

2020

–

near

ly ze

ro e

nerg

y bu

ildin

g - n

ZEB

Development of energy efficiency in Europe

Passivehouse & renewables = Plus energy

Electricity Line loss Hot water Heating

4

Reference-Standard nZEB (EPBD): U-values

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

CY

GR

ES

IT

AT

BE

CZ

DE

DK

FR

GB

HU

IE

NL

RS

SI

NO

war

m &

war

m-

gem

äßig

tkü

hl-g

emäß

igt

kalt

Dach

Wand

Boden

warm 0,50 W/(m²K)

warm-gemäßigt 0,25 W/(m²K)

0,12 W/(m²K)

0,15 W/(m²K)

Roof Wall Bottom

Passive House Standard

Source: EPISCOPE Synthesis

Report No. 1 IWU, Darmstadt 2015

0 10 20 30 40 50 60 70

CY

GR

ES

IT

AT

BE

CZ

DE

DK

FR

GB

HU

IE

NL

RS

SI

NO

war

m &

war

m-

gem

äßig

tkü

hl-g

emäß

igt

kalt

Heizwärmebedarf [kWh/(m²a)]

netto (WRG berücksichtigt)

brutto (WRG nicht berücksichtigt)

Die Fehlerindikatoren zeigen die Bandbreiten der Werte für unterschiedliche Beispielgebäude und Varianten.

Passivhausanforderung (überschlägig)

5

Reference-Standard nZEB (EPBD): Heat demand (kWh/(m2y)

Including Heat recovery (ventilation)

Passive House Standard

Source: EPISCOPE Synthesis Report No. 1

IWU, Darmstadt 2015

Energy efficiency standard for new buildings: EPBD – Nearly zero energy buildings – eZEB = Plus energy standard (Effizienzhaus Plus) basing on ∼ Passivehouse • Top runner system • Open to all techniques • Introduction to the market by support programmes

Possible next steps for the work of UNECE - 1

6

Building envelop – development of U-values 3 [W/(m²K)] 1980 1995 2010 2020 2030 2050

Wall 0,24 0,16 0,12 0,1 0,08 0,06

Roof 0,2 0,14 0,1 0,08 0,06 0,05

Bottom 0,24 0,16 0,12 0,1 0,08 0,06

Best practice standards


Wall 0,24 0,16 0,12 0,1 0,08 0,06 Roof 0,2 0,14 0,1 0,08 0,06 0,05 Bottom 0,24 0,16 0,12 0,1 0,08 0,06



Wall 0,24 0,16 0,12 0,1 0,08 0,06

Roof 0,2 0,14 0,1 0,08 0,06 0,05

Bottom 0,24 0,16 0,12 0,1 0,08 0,06

Aerogel λR = 0,014-0,019 W/(mK)

Vakuum insulation λR = 0,006 - 0,008 W/(mK) Quelle VIP: www.variotec.de


Building envelop – development of U-values

[W/(m²K)] 1980 1995 2010 2020 2030 2050

Wall 0,24 0,16 0,12 0,1 0,08 0,06

Roof 0,2 0,14 0,1 0,08 0,06 0,05

Bottom 0,24 0,16 0,12 0,1 0,08 0,06

Aerogel λR = 0,014-0,019 W/(mK)

Vakuum insulation λR = 0,006 - 0,008 W/(mK) Quelle VIP: www.variotec.de


windows 1980 1995 2010 2020 2030 2050 Ug [W/(m²K)] 1,8 0,7 0,6 0,5 0,45 0,4 Uf [W/(m²K)] 1,8 0,8 0,7 0,6 0,55 0,5 g-value 60% 50% 52% 55% 55% 58%

Windows – development

Source: Holger Barske


windows 1980 1995 2010 2020 2030 2050

Ug [W/(m²K)] 1,8 0,7 0,6 0,5 0,45 0,4

Uf [W/(m²K)] 1,8 0,8 0,7 0,6 0,55 0,5

g-value 60% 50% 52% 55% 55% 58%

Windows – development

Vacuum-glazing

Source: PHC Franz Freundorfer

Source: Holger Barske


14

Development of investment costs (€ per m² window) Different window-standards

1995: Uw = 1,6 W/(mK) 2005: Uw = 1,3 W/(mK) 2015: Uw = 0,8 W/(mK)

€/m² window

Source: Ecofys / Schulze Darup: Preisentwicklung Gebäudeenergieeffizienz. – Im Auftrag der DENEFF, Berlin 11-2014

1980 1995 2010 2020 2030 2050 Heat recovery 65% 80% 85% 90% 92% 95% Elektric Effic. [W/m³] 0,8 0,45 0,4 0,3 0,25 0,22

3 Ventilation with heat recovery

1980 1995 2010 2020 2030 2050

Heat recovery 65% 80% 85% 90% 92% 95%

Elektric Effic. [W/m³] 0,8 0,45 0,4 0,3 0,25 0,22

Ventilation with heat recovery 3

Building technology - HVACR

Heating &

Warm water

Washing Drying

Storage

Regulation

Cook. stove Refrid.

Cooling

Dish- washer

TV

HIFI Computer Computer

Solar heat

Radio TV

Regul.

Ventilation Heat

Recovery

Building technology - HVACR Former standards

Telephone

Washing Cooking

Info- tainment

Facade- and roofintegrated photovoltaics

Info- tainment

Info- tainment

Internal grid – W-LAN

Ventil. Heating

&

Cooling

Storage Internet Smart grid

Building technology - HVACR Innovative standards

IT, Communication, Entertainment, Regulation

Feeding in

Wall U = 0,14 W/(m²K)

Bottom U = 0,10 W/(m²K)

Windows Uw = 0,85 W/(m²K)

Roof U = 0,11 W/(m²K)

Qualitymanagement: - Airtightness - Thermal bridges - Facility manag.

Ventilation Heat recovery

District heating by Biomass

Photovoltaics Smart Grid

Plus energy standard Multy family building – HOLZ5 Bad Aibling

Quelle: Schulze Darup

Plus energy standard One family building – Erlangen

-100

-50

0

50

100

150

EnEV

-Sta

ndar

d

Pass

iveh

ouse

Phot

ovol

taic

s

Warm water

Heating

Cooling

Electricity

Photovoltics

kWh/(m²a) Prime energy

EFH Erlangen: Benjamin Wimmer, Arch.Schulze Darup & Partner

kWh/(m²a) Primärenergie

EFH Erlangen: Benjamin Wimmer, Arch.Schulze Darup & Partner

Plus energy standard One family building – Erlangen

-100

-50

0

50

100

150

EnEV

-Sta

ndar

d

Pass

iveh

ouse

Phot

ovol

taic

s

Warm water

Heating

Cooling

Electricity

Photovoltics

23

Investment Costs (€) Adjusted for Price (2014 = 100 %)


24

Monthly Costs (€) Adjusted for Price (2014 = 100 %)


Top-runner-system: getting best practice to mainstream • Promotion programes for market integration • Involving partners from industry • Public investors for market implementation of high efficiency Benefits beyond Cost-Optimality: • High comfort • Healthiness • Indoor air-quality etc.


25

Multy family building (1520 / 2010)

Pfeifergasse 9, Nürnberg

211

65 38 0

50

100

150

200

250

300

350

Bestand EnEV

QP nach EnEV

WW

Heizwärme

kWh/(m²y)

before concept 1 concept 2 qP (EnEV)

Source: Alexandra Fritsch, Fritsch & Knodt + Klug, Nuremberg

qp (EnEV)

Hot water

Heating

189

38 26 0

50

100

150

200

250

300

350

Bestand EnEV

QP nach EnEV

WW

Heizwärme

kWh/(m²y)

Bestand Heritage-vers. Energet. opt. qP (EnEV)

Source: Seeberger / Schulze Darup, Erlangen 2006

qp (EnEV)

Hot water

Heating

Three family building (1780)

Erlangen

Var. 1: Heritage version - insulation inside Var. 2: Energet. optimized - insulation outside

213

45 32

-50

0

50

100

150

200

250

300

350QP nach EnEVWW solarWWHeizwärme

kWh/(m²y)

before concept 1 concept 2 qP (EnEV)

qp (EnEV)

Solar thermal

Hot water

Heating


Mathildenstraße, Fürth

Source: Schulze Darup

285

29 27

-50

0

50

100

150

200

250

300

350

Bestand EnEV

QP nach EnEVWW solarWWHeizwärme

kWh/(m²y)

before concept measured qP (EnEV)

qp (EnEV)

Solar thermal

Hot water

Heating

One family building (1958 / 2011)

Nuremberg

Source: Wimmer - Schulze Darup & Partners

207

26 24 0

50

100

150

200

250

300

350

Bestand EnEV

QP nach EnEV

WW

Heizwärme

kWh/(m²y) qp (EnEV)

Hot water

Heating

before concept measured qP (EnEV)


Bernadottestraße 42 - 48, Nuremberg

Source: Schulze Darup / wbg Nuremberg

Realschule Feuchtwangen – Plus energy balance

Arch- & Energyconcept Schulze Darup & Partner

100

-50

0

50

100

150

200

250

before after PV

Photovoltaics

Electricity

IT-Systems

Cooling

Lightening

Warm Water

Heating

Townhall Herzogenaurach – Plus energy balance

kWh/(m²y)

Monastry Plankstetten Energetic modernisation with plusenergy-technolgy

Source: Mirco Humbert Energy concept: Schulze Darup & Partner

Energy concept: Schulze Darup & Partner


-100

-50

0

50

100

150

200

250

before after Renewables

RenewablesElectricityIT-SystemsCoolingLighteningWarm WaterHeating

kWh/(m²y) Prime Energy

Monastry Plankstetten

Energy efficiency standard for the building stock: Building restauration plan: action plan depending on the using periods of the building / constructions → IMPORTANT: top runner quality for all new and modernised

constructions → Sustainable and durable constructions → Minimating embodied energy


37

Wohnpark Strubergasse Salzburg (1949 bis 1958) Modernisation of 500 apartments

Quelle: Google Maps

Öffentliches Grün Spielplatz Treffpunkte

Mieter- Gärten Balkons

kWh/a

Wohnpark Strubergasse Salzburg (1949 bis 1958) Modernisation of 500 apartments

4000

-3000

-2000

-1000

0

1000

2000

3000

4000

5000

6000

before after PV

Photovoltaics

Eletricity

Hot Water

Heating

kWh/a

Quartier 1949 bis 1958 – Wohnpark Strubergasse Salzburg Nahwärmesystem / Plusenergiebilanz

4000

-3000

-2000

-1000

0

1000

2000

3000

4000

5000

6000

before after PV

Photovoltaics

Eletricity

Hot Water

Heating

kWh/a

Source: Schulze Darup / wbg Nürnberg

Parkwohnanlage Nuremberg-West (1959 bis 1968) Modernisation of 1030 apartments – Heritage-ensemble

-5000

0

5000

10000

15000

20000

before after PV

Photovoltaics

Eletricity

Hot Water

Heating

42 SCHULZE DARUP: ENERGIEEFFIZIENZSTRATEGIE ERLANGEN 2050. – STUDIE IM AUFTRAG DER STADT ERLANGEN 2014

Erlangen – Energy efficiency strategy 2050 (100.000 inhabitants)

How to get climate neutrality in the building stock?

43

0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,00020

14

2016

2018

2020

2022

2024

2026

2028

2030

2032

2034

2036

2038

2040

2042

2044

2046

2048

2050

VerkehrStrom GHD - IndustrieWW-Prozessw. GHD - Ind.Heizen GHD - IndustrieStrom WohngebäudeWarmwasser WohngebäudeHeizen Wohngebäude

MWh/a

Substitution of the fossile energies by renewables Traffic Electricity Comm.&Industry Hot Water Comm.&Industry Heating Commerce&Industr. Electricity Residential Build. Hot Water Residential Build. Heating Residential Buildings

Renewable Energies

Erlangen – Energy efficiency strategy 2050 (100.000 inhabitants)

44 Source: EAN und Schulze Darup & Partner Nürnberg i. A. der Stadt Nürnberg

Nuremberg – Energy efficiency strategy 2050 500.000 inhabitants

GWh/a

Efficiency

Renewables

Fossiles

Nuremberg – Energy efficiency strategy 2050 Optimizing: Efficiency – Renewables - Fossiles

Quelle: Schulze Darup

55-60 %

30-35 %

10-15 %

Beginning NOW! – strategies for the next 5 years and next 50 years

Best practice projects in all countries (cost-optimated)

Communication between the partners

Share of knowledge

Research for Top runner components

Market implementation programes Marketing for efficiency Connecting culture & climate protection


46

Energy efficiency standard for new buildings: EPBD – Nearly zero emission buildings = Plus energy standard (Effizienzhaus Plus) basing on ∼ Passivehouse • Top runner system • Open to all techniques • Introduction to the market by support programmes


49

Top-runner-system: getting best practice to mainstream • Promotion programes for market integration • Involving partners from industry • Public investors for market implementation of high efficiency Benefits beyond Cost-Optimality: • High comfort • Healthiness • Indoor air-quality etc.


50

Energy efficiency standard for the building stock: Building restauration plan: action plan depending on the using periods of the building / constructions → IMPORTANT: top runner quality for all new and modernised

constructions → Sustainable and durable constructions → Minimating embodied energy


51

Beginning NOW! – strategies for the next 5 years and next 50 years

Best practice projects in all countries (cost-optimated)

Communication between the partners

Share of knowledge

Research for Top runner components

Market implementation programes Marketing for efficiency Connecting culture & climate protection


52

Identifying possible next steps for the work of U N E C E · 2015-04-22 · Energy efficiency...

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Transcript of Identifying possible next steps for the work of U N E C E · 2015-04-22 · Energy efficiency...