Energy requirements for house heating only |
||||||
Construction year |
Requirements by type1 kWh/m2 |
# of dwellings |
Group average kWh/m2 |
Group average kWh/m2 |
Total average kWh/m2 |
|
single family houses |
before 1980 |
185 |
13203 |
175.8 |
169.3 |
143.4 |
|
144 |
1467 |
||||
|
163 |
6449 |
||||
|
111 |
0 |
||||
|
210 |
1317 |
||||
|
151 |
1518 |
||||
|
||||||
|
after 1980 |
111 |
375 |
|||
|
111 |
1820 |
||||
|
90 |
337 |
||||
apartments in blocks |
before 1980 |
125 |
11720 |
109.7 |
||
|
98 |
1302 |
||||
|
90 |
4565 |
||||
|
84 |
2533 |
||||
|
75 |
281 |
||||
1 Depending
on levels of insulation and maintenance. |
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Estimated additional requirements for cooking and water heating |
31% of house heating |
|||||
Ref: Ministry of Energy. Study for energy plan and 2030 projection. |
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Fraction of occupied dwellings primarily using wood |
0.814 |
|||||
Fraction of 'large dwellings’ area (> 80 m2) among primary wood users |
0.59 |
|||||
Ref: [13] Census 2002 (file:Gozd_institut_t4_OB.xls ) |
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Non-heated fraction of large dwellings |
0.3 |
|||||
Reporting Consultant’s estimate |
Dwellings using wood (primarily) – Census 2002 |
|
Total m2 |
17,335,126 |
Estimated occupied and heated |
|
# 0f dwellings |
234,898 |
Occupied dwellings |
191,312 |
people in dw |
594,934 |
Main conversion factors |
|||||||
1 kWh = |
3600000 |
joules |
= |
3.6 |
MJ |
||
1 MJ = |
0.277778 |
kWh |
|||||
1 CUM wood = |
2900 |
kWh |
= |
10440 |
MJ |
0.00 assumed efficiency loss |
|
1 CUM wood = |
0.725 |
tons |
(average for fagus 20%humidity in Germany- average FAO) |
||||
1 CUM wood = |
1.54 |
m3 stack wood |
|||||
1 kg wood = |
3.366 |
kWh |
|||||
1 kg wood = |
14.4 |
MJ |
= |
4.0000032 |
kWh |
Energy requirements 1 |
0.85 |
efficiency |
0.65 |
efficiency |
||||
2465 |
=kWh/CUM |
1885 |
=kWh/CUM |
|||||
kWh/m2 |
MJ/m2 |
CUM/m2 |
tons/m2 |
Stackwood/m2 |
CUM/m2 |
tons/m2 |
Stackwood/m2 |
|
house heating |
160 |
576 |
0.0649 |
0.0471 |
0.0999 |
0.08488 |
0.0615 |
0.1306 |
total heat & cooking |
208 |
748.8 |
0.0844 |
0.0612 |
0.1298 |
0.11034 |
0.0800 |
0.1698 |
Total Slovenia |
kWh |
TJ |
CUM |
tons |
m3 stackwood |
CUM |
tons |
m3 stackwood |
house heating |
1,858,926,454 |
6,692 |
754,128 |
546,743 |
1,160,197 |
986,167 |
714,971 |
1,517,180 |
total heat & cooking |
2,416,604,390 |
8,700 |
980,366 |
710,765 |
1,508,256 |
1,282,017 |
929,462 |
1,972,334 |
by dwelling (wf users) |
kWh/dw |
MJ/dw |
CUM/dw |
tons/dw |
Stackwood/dw |
CUM/dw |
tons/dw |
Stackwood/dw |
house heating |
9,717 |
34,980 |
3.9 |
2.86 |
6.1 |
5.2 |
3.74 |
7.9 |
total heat. & cooking |
12,632 |
45,474 |
5.1 |
3.72 |
7.9 |
6.7 |
4.86 |
10.3 |
by inhabitant (wf users) |
kWh/inh |
MJ/inh |
CUM/inh |
tons/inh |
Stackwood/inh |
CUM/inh |
tons/inh |
Stackwood/inh |
house heating |
3,125 |
11,249 |
1.3 |
0.92 |
2.0 |
1.7 |
1.20 |
2.6 |
total heat. & cooking |
4,062 |
14,623 |
1.6 |
1.19 |
2.5 |
2.2 |
1.56 |
3.3 |
1 The estimated energy requirement for heating only used, as main
reference, the weighted average for single-family houses (see previous page).
The total energy requirement for heating and cooking was estimated by adding
30 % to the amount required for heating only.