Download - Development of residential energy consumption In Czech Republic and Austria Wolfgang Streicher
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Development of residential energy consumption
In Czech Republic and Austria
Wolfgang StreicherInstitut für Wärmetechnik, TU Graz
Inffeldgasse 25BA-8010 Graz
Tel: 0316.873-7306E-Mail: [email protected]
http://www.iwt.tugraz.at
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Total number of Buildings and Dwellings in Austria
Quelle: Statistik Austria, (2005)
0
500.000
1.000.000
1.500.000
2.000.000
2.500.000
3.000.000
3.500.000
4.000.000
Buildings 2.046.712 1.557.420 142.351 61.196 3.488 282.257
Dwellings 3.863.262 1.809.380 791.584 1.134.782 21.663 105.853
Total 1 or 2
dwellings 3 to 10
dwellings 11 or more dwellings
For associations
Non-residential buildings
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Number of non-residential buildings and their dwellings in Austria
Quelle: Statistik Austria, (2005)
0
10.000
20.000
30.000
40.000
50.000
60.000
70.000
80.000
90.000
100.000
Buildings 35.837 32.235 33.065 3.849 71.811 15.393 90.067
Dwellings 32.071 19.514 21.522 1.374 16.028 4.603 10.741
Hotel or similar building
Office buildingBuilding of shops
and supermarkets
Builindgs of transportationor
media
Industrial or storage builing
Cultural, entertainment,
educational, health Other building
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Number of Buildings and Dwellings in Austria
3.000
3.050
3.100
3.150
3.200
3.250
3.300
3.350
Zah
l d
er
Geb
äu
de [
-]
Haushalte
Wohnungen
Source: www.statistik.austria.at, 15.03.2005
Quelle: Statistik Austria, (2004)
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Housing and dwelling stock
• Housing and dwelling stock is about the same size in Austria and the Czech Republic.
• 4,3 Million dwellings in the Czech Republic• 3.8 million dwellings in Austria
0
1 000 000
2 000 000
3 000 000
4 000 000
5 000 000
1961 1971 1981 1991 2001
Number of houses, AustriaNumber of dwellings, AustriaNumber of houses, Czech RepublicNumber of dwellings, Czech Republic
Year
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Heat delivery systems in Austrian households
Quelle: Statistik Austria, (2005)
0,000,100,200,300,400,500,600,700,800,901,00
1980 1985 1990 1995 2002
Year
Sh
are
[-]
Unknown
Central heating,district heatingHeating systemcovering one floorSingle stove
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Heat delivery systems in Austrian dwellings per building type
Source: Statistik Austria, (2005)
0%10%20%30%40%50%60%70%80%90%
100%
with 1 or 2 dwellings
3 to 10 dwellings 11 or modedwellings
for associa-tions Non residentialbuildings
Type of building
To
tal n
um
be
r o
f d
we
llin
gs
Single stoves
One stove per dwelling/floor
Cebtral heating
Combined heat and power
District heating
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Heat delivery systems in Austrian dwellings per building age, all buildings
Source: Statistik Austria, (2005)
0
200.000
400.000
600.000
800.000
1.000.000
1.200.000
Before1919
1919 to1944
1945 to1960
1961 to1980
1981 to1990
1991 orlater or
unknown
Year of errection
To
tal n
um
be
r o
f d
we
llin
gs
Single stovesOne stove per dwelling/floorCebtral heatingCombined heat and powerDistrict heating
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Heat delivery systems in Austrian dwellings per building age, buildings with 3 – 10 flats
Source: Statistik Austria, (2005)
0
20.000
40.000
60.000
80.000
100.000
120.000
140.000
160.000
180.000
Before1919
1919 to1944
1945 to1960
1961 to1980
1981 to1990
1991 orlater or
unknown
Year of errection
Nu
mb
er
of
dw
elli
ng
s in
bu
ilin
gs
wit
h 3
-10
fla
ts
Single stovesOne stove per dwelling/floorCebtral heatingCombined heat and powerDistrict heating
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Heat delivery systems in Austrian dwellings per building age, buildings with 11 or more flats
Source: Statistik Austria, (2005)
0
50.000
100.000
150.000
200.000
250.000
300.000
350.000
400.000
Before1919
1919 to1944
1945 to1960
1961 to1980
1981 to1990
1991 orlater or
unknown
Year of errection
Nu
mb
er
of
dw
elli
ng
s
in b
uili
nd
gs
wit
h 1
1 o
r m
ore
fla
ts
Single stovesOne stove per dwelling/floorCebtral heatingCombined heat and powerDistrict heating
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Heat delivery systems in Austrian dwellings per building age, non-residential buildings
Source: Statistik Austria, (2005)
0
5.000
10.000
15.000
20.000
25.000
30.000
Before1919
1919 to1944
1945 to1960
1961 to1980
1981 to1990
1991 orlater or
unknown
Year of errection
Nu
mb
er
of
dw
elli
ng
s
in n
on
-re
sid
en
tia
l bu
ildin
gs
Single stovesOne stove per dwelling/floorCebtral heatingCombined heat and powerDistrict heating
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Energy carriers in Austrian households
Quelle: Statistik Austria, (2005)
0,000,100,200,300,400,500,600,700,800,901,00
1980 1985 1990 1995 2002
Year
Sh
are
[-]
District heat, other ,unknownElectricity
Oil
Natural gas
Cole, coke, briquets
Wood
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Space heating energy demand buildings in Austria
Source: own calculations
0,0
5000,0
10000,0
15000,0
20000,0
25000,0
30000,0
1 dwelling 2 dwellings 3 to 9dwellings
10 or moredwellings
unknown
En
erg
y d
em
an
d in
kW
h/a
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Specific space heating energy demand buildings in Austria
Source: own calculations
239,8218,2
119,8 128,0
0,0
50,0
100,0
150,0
200,0
250,0
300,0
1 dwelling 2 dwellings 3 to 9dwellings
10 or moredwellings
Sp
ec
. en
erg
y d
em
an
d in
kW
h/m
²a
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Specific space heating energy demand of single (SFH) and multi family buildings (MFH-K : small, MFH-G
great) in decpendence of year of errection in Austria
Quelle: Jungmeier, et al. (1996)
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Type of fuel used in all Austrian dwellings
Source: Statistic Austria
0
200.000
400.000
600.000
800.000
1.000.000
1.200.000
Before1919
1919 to1944
1945 to1960
1961to1980
1981 to1990
1991 orlater or not
known Age of construction
Nu
mb
er
of
dw
elli
ng
s, t
ota
l
Other fuel (incl. alternative heat production)Wood chips, saw dust (central house-heating) GasOilElektricityCole, coke, briquetWoodDistrict Heating, CHP
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Type of fuel used in Austrian multi famly buildings with 3 – 10 dwellings
Source: Statistic Austria
0
50.000
100.000
150.000
200.000
250.000
Before1919
1919 to1944
1945 to1960
1961to1980
1981 to1990
1991 orlater or not
known Age of construction
Nu
mb
er
of
dw
elli
ng
s in
b
uild
ing
s w
ith
3-1
0 f
lats
Other fuel (incl. alternative heat production)Wood chips, saw dust (central house-heating) GasOilElektricityCole, coke, briquetWoodDistrict Heating, CHP
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
CO2-emissions from space heating of dwellings in Austria
Source: own calculations
0
500
1000
1500
2000
2500
3000
CO
2 e
mis
sio
ns
[kt/
a]
SFH 669 467 967 2.460 842 655
MFH-S 330 160 199 368 138 162
MFH-G 358 101 191 685 148 124
NRB 55 12 24 62 18 8
before19191919 - 1945
1945 - 1960
1961 - 1980
1981 - 1990
since 1991
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
CO2-emissions from space heating of dwellings in Austria
Source: own calculations
0
10
20
30
40
50
60
CO
2 E
mis
sio
ns
[kg
/m
²a]
SFH 27 39 48 43 28 22
MFH-S 29 30 34 31 23 17
MFH-G 26 27 31 27 20 15
NRB 25 0 31 28 20 15
before19191919 - 1945
1945 - 1960
1961 - 1980
1981 - 1990
since 1991
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Austrian CO2-equivalent emissions reduction goal for the heating energy demand of buildings
Quelle: BMLFUW (2005)
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
CO2-equivalent emissions from the residential sector (Raumwärme Haushalte) and other small
use in Austria
Quelle: BMLFUW (2005)
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Trendscenario of thermal renovation and fuel switch of all Austrian dwellings (basic data from
Statistik Austria, 2001)
0
2
4
6
8
10
12
2001 2006 2011 2016
Mio
t C
O2
1%/a
2%/a
3%/a
4%/a
5%/a
Sanierungsquote(incl. 20% Wechsel von Öl auf Biomasse)
Source: own calculations
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Trendscenario of thermal renovation and fuel switch for Austrian single family houses (basic data from
Statistik Austria, 2001)
0
2
4
6
8
10
12
2001 2006 2011 2016
Mio
t C
O2
1%/a
2%/a
3%/a
4%/a
5%/a
Sanierungsquote(incl. 20% Wechsel von Öl auf Biomasse)
Source: own calculations
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Buildings with renovation measures by owner
Source: Statistic Austria
0
500.000
1.000.000
1.500.000
2.000.000
2.500.000
3.000.000
Pri
vate
pe
rso
ns
Fe
de
ral
Pro
vin
cio
na
l
Mu
nic
ipa
l
Oth
er
pu
blic
bo
die
s
No
n-p
rofi
ass
oci
atti
on
s
Oth
er
com
pa
nie
s(e
.g.:
AG
, Ba
nk,
ltd.)
Oth
er
ow
ne
rs(e
.g.a
soci
atio
ns)
Fo
reig
ne
rs a
ssi
ng
le o
wn
ers
Fo
reig
ne
rs fr
om
EU
-co
un
trie
s a
so
wn
ers
Nu
mb
er
of
dw
elli
ng
s
1-2 dwellings 3-4 dwellings Non-residential buildings
Austrians
Institut für Wärmetechnik
TU GrazInstitut für Wärmetechnik
TU Graz
Buildings with renovation measures by owner
0
100.000
200.000
300.000
400.000
500.000
600.000
700.000
800.000
01 02 03 04 05 06 07 08 09 10 11 12 13 14
Nu
mb
er
od
dw
ell
ing
s
Non-residential buildings3-4 dwellings1-2 dwellings
01… I nstallation of lifts02… Renew of roof03… Renewingof windows in most of the building04… Connection to fresh water network 05… Connection to gas network 06… Connection to waste water network 07… Connection to district heating system 08… I nstallation of a central heating system i the whole building 09... I nstallation of "alternative" heat delivery systems 10... Renovation of facade without insulation 11... Renovation of facade with insulation 12... Other heat demand reduction measures 13... I nstallation of water and sanitary equipment 14... I nstallation of decentralized waste water treatment plant
Heat demand reduction measures
Change of energy carrier
Source: Statistic Austria