MUSEC-EIE/06/024/SI2.445716

SUPPORTED BY

The Valby PV-plan

City of Copenhagen

Energy baseline assessment and target-setting

Jakob Klint, KUBEN

MUSEC-EIE/06/024/SI2.445716

TEXT

ValbyValby is situated in the south-vest part of the City of Copenhagen and is famous for the hill “Valby Bakke” where there is a view of the City of Copenhagen and the whole Øresund Region. It is also famous for the location of the brewery Carlsberg.

The geographical position of Valby is 56 degrees north and 11 degrees east. Valby has 3099 degree days and 1540 hours of sunshine in average yearly.

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ValbyValby is a district of Copenhagen, situated in the south-west part of the Municipality. Valby has a size of 923 hectares which is a little bit more than a tenth of the area of Copenhagen. It is a mixed district with residential and industrial areas. The district has a population of 46.000 and 23.000 dwellings, which again is a tenth of Copenhagen as a total. The district grew up during the industrialisation of Copenhagen and is now a typical urban area between the city and the new

suburbs built after the war.

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The Valby PV-plan

In 2000 an ambitious PV implementation plan were set up for Valby. The aim of the plan is to supply a substantial part of the demand for electricity in the district of Valby via PV-modules. These should be mounted on existing residential and commercial buildings over a 25-year period (10 MW / 15% electricity supplied by PV-modules) in total 300.000 square meters of PV-modules (polycrystalline).

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The Valby PV-plan is setup by

• City Council of Valby

• Copenhagen Energy (the utility company)

• City of Copenhagen

• Cenergia Energy Consultants

• Urban Renewal Copenhagen

(see: www.solivalby.dk)

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The vision 2025

• 10-15 % of electricity is covered by PV on a yearly base

• Half of the electricity consumption comes from the sun in 2025

• PV should contribute positive to the urban quality

• General reduction in energy consumption

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The energy assessment

Focus on:

• energy consumption from buildings

• analysis of electricity consumption

• PV-electricity interaction with consumptions profile

• building stock and roof materials/orientation/declination

• visualisation

• implementations plans (the hart part)

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Type of customer Number of meters

Electricity sales [MWh/year]

Mean electricity use

kWh/year

% of total sales by CE

Housing units 24.800 49.800 2.000 9.1

Common use by housing

1.600 11.300 7.100 7.2

Commerce 900 19.000 21.100 5.5

Industry 300 40.400 134.700 13.1

Public 300 100.300 334.300 14.4

Service and entertainment

900 30.700 34.100 6.4

Total 28.800 215.500 8.700 9.9

Electricity consumption by customers

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Demand curve on a summer day inclucive yield from 15 MWp PV-supply

0

5

10

15

20

25

30

35

40

MW

0 2 4 6 8 10 12 14 16 18 20 22 24

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Types of buildings in Valby (occupied area m2)

0

200.000

400.000

600.000

800.000

Serie1 747.522 521.914 108.308 74.047 68.593

Boliger Erhverv Offentlige Fritid Andet

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Roof materials in Valby (occupied area m2)

0

100.000

200.000

300.000

400.000

500.000

Tegl Tagpap mhældning

Fibercementel skiffer

Built-up Metalplader Cementsten Andetmateriale

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Sources of data

• The energy utility

• The national building stock register

• Arial photos and maps of Valby

• Surveys on location

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Target-setting• simple and clear

• involving citizens

• stimulate active participation

• give possibilities for everyone to take part

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City of Copenhagen The City of Copenhagen has set up a series of targets to become an Environmental Metropolis in 2015. These targets include Valby as a part of Copenhagen and are:

• 50% of the inhabitants use their bicycle to work or education - today 36% do.

• The number of serious damaged in the traffic on bicycle is half of today – today 118 is seriously damaged each year. • At least 80% of the Copenhagen bicyclers feel secure in the traffic (today it is 58%)

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City of Copenhagen

• Copenhagen CO2 emission will be reduced by 20% - today Copenhagen emits 2.4 million ton (2005) or 4.9 ton per inhabitant. • 90% of the Copenhageners can walk to a park, a beach, a nature resort or a bath in the harbour with in 15 minutes – today it is 60%. • Visits by Copenhageners to parks, beaches, nature resorts and the baths in the harbour has doublet compared to today – today they on average visit these areas every second day and stay there for an hour.

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City of Copenhagen

• There shall be no health damaging noise from roads and all schools and childcare centres in

Copenhagen shall have a low noise level from traffic in daytime - today 40.000 dwellings are exposed by to high noise level. • The air shall be so clean than the health of the citizens is not affected – it is not the situation today. • Organic food shall have a market share of 20% of the consumption in Copenhagen – today the market share is 7% in Denmark.

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City of Copenhagen

• The Municipality shall go in front and have organic food as 90% in their institutions.• Copenhagen shall be the cleanest Capital and among the best in the World, garbage in the streets shall be cleaned within 8 hours – Today Copenhagen is among the best third in Europe.

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Target-setting for Valby

• Support the PV-plan • Supplement the target-setting of the Municipality• Have a local and participatory dimension• Support local activities

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Target-setting for Valby

PV-installations• Give possibilities for supporting PV building integration• Give possibilities to buy shares in PV-installations

Education and schools• Develop collaboration schools on PV and energy matters• Make PV and energy reduction visible• Use web sites for information

Energy families• Make competitions between interested families• Consult “red” families

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Target-setting for Valby

Give access to information and dialog

Make demonstration projects

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