Tables for Section 3
Table 3.1: Summary survey data, New Zealand
| Location | Households – 2004 | Sample size | Sample error |
|---|---|---|---|
New Zealand |
1,440,336 |
201 |
6.9% |
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Table 3.2: Domestic home heating methods and fuels used, New Zealand
| Households | Winter fuel use (July) | |||
|---|---|---|---|---|
| % | Number | tonnes/day | % | |
Electricity |
57% |
816,907 |
- |
- |
Total gas |
34% |
487,278 |
375 |
2% |
Flued gas |
9% |
134,939 |
- |
- |
Unflued gas |
24% |
352,339 |
- |
- |
Oil |
2% |
28,663 |
0 |
0.0% |
Open fire |
6% |
85,990 |
- |
- |
Open fire: wood |
6% |
85,990 |
2080 |
12% |
Open fire: coal |
2% |
28,663 |
295 |
2% |
Total wood burner |
38% |
544,605 |
11,412 |
66% |
Pre-1994 wood burner |
16% |
235,724 |
5,915 |
34% |
1994–99 wood burner |
12% |
178,825 |
4077 |
24% |
Post-1999 wood burner |
9% |
130,055 |
1420 |
8% |
Multi-fuel burners |
8% |
114,654 |
- |
- |
Multi-fuel burners: wood |
8% |
114,654 |
1998 |
12% |
Multi-fuel burners: coal |
5% |
78,824 |
1149 |
7% |
Pellet burners |
0% |
0 |
0 |
0% |
Total wood |
52% |
745,249 |
15,490 |
89% |
Total coal |
7% |
107,488 |
1443 |
8% |
Total |
1,440,336 |
17,308 |
||
* Note: rounding errors may occur in the proportion of burners in different age categories and in types of gas heating.
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Table 3.3: Monthly variations in heating behaviour and fuel use, New Zealand
| Percentage of houses using this method each month | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
Gas |
2% |
0% |
5% |
22% |
54% |
80% |
86% |
86% |
60% |
22% |
0% |
0% |
|
Open fire |
8% |
8% |
17% |
25% |
42% |
92% |
100% |
75% |
42% |
17% |
8% |
8% |
|
Wood burner |
4% |
4% |
8% |
29% |
59% |
83% |
92% |
92% |
63% |
30% |
5% |
3% |
|
Multi-fuel |
0% |
0% |
0% |
20% |
47% |
100% |
93% |
87% |
53% |
27% |
0% |
0% |
|
| Average number of days per week house is heated (only for those heating during that month) | |||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
Gas |
- |
- |
4 |
5 |
5 |
6 |
6 |
6 |
5 |
4 |
- |
- |
|
Open fire [Results for open fires use during the summer are biased by the small sample size for this heating method during summer months.] |
7 |
7 |
7 |
6 |
6 |
4 |
4 |
4 |
5 |
5 |
7 |
7 |
|
Wood burner |
2 |
2 |
5 |
5 |
6 |
6 |
6 |
6 |
5 |
5 |
3 |
- |
|
Multi-fuel |
- |
- |
- |
5 |
6 |
5 |
6 |
6 |
6 |
5 |
- |
- |
|
| Daily fuel use (tonnes) | |||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
Gas |
- |
- |
14 |
85 |
212 |
351 |
375 |
349 |
134 |
43 |
- |
- |
|
Open fire: wood |
0 |
0 |
0 |
350 |
1743 |
2012 |
2080 |
2005 |
939 |
263 |
0 |
0 |
|
Open fire: coal |
129 |
129 |
129 |
129 |
172 |
270 |
295 |
221 |
203 |
129 |
129 |
129 |
|
Wood burner |
0.0 |
0.0 |
0.0 |
2480 |
6165 |
9952 |
11,412 |
10,609 |
5745 |
2570 |
0 |
- |
|
Multi-fuel: wood |
- |
- |
- |
726 |
899 |
1939 |
1998 |
1970 |
1183 |
1037 |
- |
- |
|
Multi-fuel: coal |
- |
- |
- |
0 |
800 |
1137 |
1149 |
1149 |
0 |
0 |
- |
- |
|
| Daily fuel use (kg)/ total number of households that heat with that method | |||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
Gas |
- |
- |
0.0 |
0.2 |
0.4 |
0.7 |
0.8 |
0.7 |
0.3 |
0.1 |
- |
- |
|
Open fire: wood |
0.0 |
0.0 |
0.0 |
4.1 |
20.3 |
23.4 |
24.2 |
23.3 |
10.9 |
3.1 |
0.0 |
0.0 |
|
Open fire: coal |
4.5 |
4.5 |
4.5 |
4.5 |
6.0 |
9.4 |
10.3 |
7.7 |
7.1 |
4.5 |
4.5 |
4.5 |
|
Wood burner |
0.0 |
0.0 |
0.0 |
4.6 |
11.3 |
18.3 |
21.0 |
19.5 |
10.5 |
4.7 |
0.0 |
- |
|
Multi-fuel: wood |
- |
- |
- |
6.3 |
7.8 |
16.9 |
17.4 |
17.2 |
10.3 |
9.0 |
- |
- |
|
Multi-fuel: coal |
- |
- |
- |
0 |
10 |
14 |
15 |
15 |
0 |
0 |
- |
- |
|
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Table 3.4: Estimated daily fuel use, by season, New Zealand
| Winter fuel use kg/day | Summer fuel use kg/day | |
|---|---|---|
Gas |
1 |
- |
Open fire: wood |
40 |
14 |
Open fire: coal |
15 |
9 |
Wood burner |
27 |
18 |
Multi-fuel: wood |
20 |
11 |
Multi-fuel: coal |
20 |
0 |
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Table 3.5: Average monthly heating costs (winter), New Zealand
| Winter month | |
|---|---|
Electric |
$117 |
Gas |
$66 |
Open fire |
$61 |
Wood burner |
$60 |
Multi-fuel |
$73 |
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Table 3.6: Type of electric heating and average cost per household, New Zealand
| Night store | Radiant | Portable oil column | Panel | Fan | Heat pump | Don't know/ refused | Other | |
|---|---|---|---|---|---|---|---|---|
Households |
42,995 |
193,478 |
222,141 |
64,493 |
265,137 |
107,488 |
- |
64,493 |
Percent |
5% |
24% |
28% |
8% |
33% |
13% |
- |
8% |
Cost* |
$137 |
$100 |
$103 |
- |
$84 |
$150 |
- |
$152 |
* Cost estimates were based on responses for households using one type of electric heating method only. No cost information was available within this data set for households using panel heaters.
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Table 3.7: Home heating method, by house ownership, New Zealand
| Households living in rental | Percent living in rental | Households living in own house | Percent living in own house | |
|---|---|---|---|---|
Total |
271,900 |
19% |
1,168,436 |
81% |
Electric |
150,483 |
18% |
666,424 |
82% |
Gas |
78,824 |
16% |
408,454 |
84% |
Open fire |
35,829 |
42% |
50,161 |
58% |
Wood burner |
71,659 |
13% |
472,946 |
87% |
Pellet burner |
- |
- |
- |
- |
Multi-fuel |
21,498 |
19% |
93,156 |
81% |
Oil |
7166 |
25% |
21,498 |
75% |
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Table 3.8: House insulation summary statistics, New Zealand
| Insulation type | Degree of insulation | |||
|---|---|---|---|---|
| Households | % | |||
Ceiling |
1,017,551 |
71% |
No insulation |
10% |
Under floor |
315,297 |
22% |
1 type |
26% |
Wall |
716,585 |
50% |
2 types |
27% |
Cylinder wrap |
336,795 |
23% |
3 types |
16% |
Double glazing |
150,483 |
10% |
4 types |
9% |
None |
143,317 |
10% |
5 types |
1% |
Don't know |
107,488 |
7% |
Don't know |
7% |
Other |
35,829 |
2% |
||
* One type means the household has just one of: ceiling, under floor or wall insulation, a cylinder wrap or double glazing; two types are any two of these, etc.
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Table 3.9: Degree of house insulation, by heating method, New Zealand
| Degree of insulation | Electric | Gas | Wood burner | Multi-fuel | Open fire |
|---|---|---|---|---|---|
1 type |
24% |
25% |
26% |
25% |
33% |
2 types |
30% |
29% |
28% |
19% |
17% |
3 types |
17% |
21% |
18% |
25% |
17% |
4 types |
11% |
6% |
14% |
13% |
0% |
5 types |
1% |
0% |
0% |
6% |
8% |
None or don't know |
18% |
19% |
13% |
13% |
25% |
Total |
100% |
100% |
100% |
100% |
100% |
* Note: columns may not sum exactly to 100 due to rounding error.
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Table 3.10: Home heating method, by household income, New Zealand
| Electric | Gas | Wood burner | Multi-fuel | Open fire | |
|---|---|---|---|---|---|
Non-response |
17% |
9% |
21% |
25% |
33% |
Less than $20,000 |
18% |
10% |
9% |
19% |
8% |
$20,000 to $30,000 |
11% |
9% |
5% |
6% |
8% |
$30,000 to $40,000 |
9% |
9% |
11% |
6% |
0% |
$40,000 to $50,000 |
11% |
12% |
11% |
13% |
0% |
$50,000 to $70,000 |
14% |
24% |
12% |
6% |
17% |
$70,000 to $100,000 |
9% |
15% |
18% |
0% |
17% |
More than $100,000 |
11% |
12% |
12% |
25% |
17% |
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Table 3.11: Home heating method, by age of dwelling, New Zealand
| Age of dwelling | Electric % | Gas % | Wood burner % | Multi-fuel % | Open fire % |
|---|---|---|---|---|---|
10 years or less |
18% |
18% |
9% |
19% |
25% |
11–20 years |
15% |
12% |
17% |
13% |
0% |
21–40 years |
33% |
26% |
38% |
31% |
17% |
41+ years |
25% |
34% |
26% |
38% |
50% |
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Table 3.12: Home heating method, by number of bedrooms, New Zealand
| Number of bedrooms | Electric % | Gas % | Wood burner % | Multi-fuel % | Open fire % |
|---|---|---|---|---|---|
1 |
2% |
0% |
1% |
6% |
0% |
2 |
24% |
9% |
12% |
13% |
17% |
3 |
35% |
53% |
42% |
25% |
42% |
4 |
28% |
31% |
30% |
31% |
33% |
5 |
4% |
4% |
9% |
25% |
8% |
6 |
2% |
0% |
1% |
0% |
0% |
