Dunedin
Table 14.1: Summary survey data, Dunedin
| Location | Households – 2004 | Sample size | Sample error |
|---|---|---|---|
31,502 | 151 | 8.0% |
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Table 14.2: Domestic home heating methods and fuels, Dunedin
| Households | Winter fuel use (July) | |||
|---|---|---|---|---|
| % | Number | Tonnes/day | % | |
Electricity | 77% | 24,409 | - | - |
Total gas | 20% | 6259 | 8 | 4% |
Flued gas | 7% | 2318 | - | - |
Unflued gas | 13% | 3941 | - | - |
Oil | 2% | 626 | 0.0 | 0.0% |
Open fire | 11% | 3547 | - | - |
Open fire: wood | 11% | 3338 | 32 | 18% |
Open fire: coal | 9% | 2712 | 36 | 20% |
Total wood burner | 14% | 4381 | 82 | 47% |
Pre-1994 wood burner | 4% | 1383 | 24 | 14% |
1994–99 wood burner | 4% | 1153 | 34 | 19% |
Post-1999 wood burner | 6% | 1845 | 24 | 14% |
Multi-fuel burners | 6% | 1878 | - | - |
Multi-fuel burners: wood | 6% | 1878 | 9 | 5% |
Multi-fuel burners: coal | 3% | 1043 | 8 | 5% |
Pellet burners | 0% | 0 | 0 | 0% |
Total wood | 30% | 9597 | 123 | 70% |
Total coal | 12% | 3755 | 44 | 25% |
Total | 31,502 | 175 | ||
* 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 14.3: Monthly variations in heating behaviour and fuel use, Dunedin
| Percentage of houses using this method that use it each month | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Gas | 7% | 4% | 14% | 36% | 43% | 86% | 93% | 86% | 57% | 25% | 14% | 11% |
Open fire | 0% | 0% | 6% | 19% | 56% | 88% | 94% | 94% | 50% | 31% | 13% | 6% |
Wood burner | 0% | 0% | 10% | 33% | 62% | 90% | 100% | 90% | 52% | 38% | 10% | 5% |
Multi-fuel | 13% | 13% | 25% | 63% | 75% | 88% | 100% | 100% | 75% | 38% | 25% | 13% |
| 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 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 5 | 5 | 4 | 6 | 5 |
Open fire | - | - | 1 | 4 | 4 | 5 | 4 | 5 | 6 | 5 | 5 | 5 |
Wood burner | - | - | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 2 | 2 |
Multi-fuel | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 7 |
| Daily fuel use (tonnes) | ||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Gas | 0.2 | 0.2 | 1.3 | 1.7 | 3.9 | 7.4 | 7.8 | 7.7 | 3.8 | 1.5 | 1.3 | 0.2 |
Open fire: wood | - | - | 0.0 | 0.0 | 12.7 | 30.3 | 31.8 | 49.8 | 25.4 | 18.1 | 0.0 | 0.0 |
Open fire: coal | - | - | 0.0 | 0.0 | 24.4 | 34.9 | 35.6 | 35.6 | 39.1 | 31.4 | 0.0 | 0.0 |
Wood burner | - | - | - | - | 41.6 | 75.7 | 81.9 | 79.8 | - | - | - | - |
Multi-fuel: wood | 0.0 | 0.0 | 0.0 | 0.0 | 7.9 | 7.9 | 9.2 | 9.2 | 2.0 | 2.0 | 2.0 | 0.0 |
Multi-fuel: coal | 4.7 | 4.7 | 4.7 | 8.0 | 8.4 | 8.4 | 8.4 | 8.4 | 9.4 | 4.7 | 4.7 | 4.7 |
| Daily fuel use (kg) per household (for households using that method) | ||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Gas | 0.0 | 0.0 | 0.2 | 0.3 | 0.6 | 1.2 | 1.2 | 1.2 | 0.6 | 0.2 | 0.2 | 0.0 |
Open fire: wood | - | - | 0.0 | 0.0 | 3.8 | 9.1 | 9.5 | 14.9 | 7.6 | 5.4 | 0.0 | 0.0 |
Open fire: coal | - | - | 0.0 | 0.0 | 9.0 | 12.9 | 13.1 | 13.1 | 14.4 | 11.6 | 0.0 | 0.0 |
Wood burner | - | - | - | - | 9.5 | 17.3 | 18.7 | 18.2 | - | - | - | - |
Multi-fuel: wood | 0.0 | 0.0 | 0.0 | 0.0 | 4.2 | 4.2 | 4.9 | 4.9 | 1.1 | 1.1 | 1.1 | 0.0 |
Multi-fuel: coal | 4.5 | 4.5 | 4.5 | 7.7 | 8.0 | 8.0 | 8.0 | 8.0 | 9.0 | 4.5 | 4.5 | 4.5 |
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Table 14.4: Estimated daily fuel use, by season, Dunedin
| Winter fuel use kg/day | Non-winter fuel use kg/day | |
|---|---|---|
Gas | 2 | 2 |
Open fire: wood | 18 | 8 |
Open fire: coal | 15 | 14 |
Wood burner | 28 | 38 |
Multi-fuel: wood | 12 | 2 |
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Table 14.5: Average monthly heating costs (winter), Dunedin
| Winter month cost | |
|---|---|
Electric | $142 |
Gas | $87 |
Open fire | $38 |
Wood burner | $81 |
Multi-fuel | $51 |
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Table 14.6: Type of electric heating, Dunedin
| Night store | Radiant | Portable oil column | Panel | Fan | Heat pump | Don't know/ refused | Other | |
|---|---|---|---|---|---|---|---|---|
Households | 1460 | 5841 | 9805 | 834 | 3964 | 5216 | - | 1460 |
Percent | 6% | 24% | 40% | 3% | 16% | 21% | - | 6% |
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Table 14.7: Home heating method, by house ownership, Dunedin
| Households living in rental | Percent living in rental | Households living in own house | Percent living in own house | |
|---|---|---|---|---|
Total | 10,014 | 32% | 21,488 | 68% |
Electric | 7302 | 30% | 17,107 | 70% |
Gas | 2712 | 43% | 3547 | 57% |
Open fire | 417 | 12% | 3129 | 88% |
Wood burner | 417 | 10% | 3964 | 90% |
Pellet burner | - | - | - | - |
Multi-fuel | 209 | 11% | 1669 | 89% |
Oil | 209 | 33% | 417 | 67% |
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Table 14.8: House insulation summary statistics, Dunedin
| Insulation type | Degree of insulation | |||
|---|---|---|---|---|
| Households | % | |||
Ceiling | 20,028 | 64% | No insulation | 19% |
Under floor | 6676 | 21% | 1 type* | 28% |
Wall | 9388 | 30% | 2 types | 24% |
Cylinder wrap | 5007 | 16% | 3 types | 17% |
Double glazing | 2921 | 9% | 4 types | 3% |
None | 6050 | 19% | 5 types | 0% |
Don't know | 2712 | 9% | Don't know | 9% |
Other | 209 | 1% | ||
* 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 14.9: Degree of house insulation, by heating method, Dunedin
| Degree of insulation | Electric | Gas | Wood burner | Multi-fuel | Open fire |
|---|---|---|---|---|---|
1 type | 29% | 30% | 19% | 44% | 59% |
2 types | 22% | 27% | 38% | 11% | 12% |
3 types | 19% | 13% | 19% | 22% | 6% |
4 types | 3% | 0% | 5% | 11% | 6% |
5 types | 0% | 0% | 0% | 0% | 0% |
None or don't know | 27% | 30% | 19% | 11% | 18% |
Total | 100% | 100% | 100% | 100% | 100% |
* Note: columns may not sum exactly to 100 due to rounding error.
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Table 14.10: Home heating method, by household income, Dunedin
| Electric | Gas | Wood burner | Multi-fuel | Open fire | |
|---|---|---|---|---|---|
Non-response | 21% | 23% | 19% | 22% | 35% |
Less than $20,000 | 21% | 33% | 5% | 11% | 18% |
$20,000 to $30,000 | 12% | 13% | 10% | 11% | 0% |
$30,000 to $40,000 | 13% | 0% | 5% | 11% | 18% |
$40,000 to $50,000 | 6% | 3% | 5% | 11% | 0% |
$50,000 to $70,000 | 11% | 7% | 29% | 22% | 6% |
$70,000 to $100,000 | 7% | 13% | 10% | 11% | 12% |
More than $100,000 | 9% | 7% | 19% | 0% | 12% |
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Table 14.11: Home heating method, by age of dwelling, Dunedin
| Age of dwelling | Electric | Gas | Wood burner | Multi-fuel | Open fire |
|---|---|---|---|---|---|
10 years or less | 9% | 7% | 10% | 11% | 18% |
11–20 years | 6% | 7% | 5% | 11% | 0% |
21–40 years | 19% | 33% | 14% | 11% | 6% |
41+ years | 62% | 43% | 67% | 67% | 76% |
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Table 14.12: Home heating method, by number of bedrooms, Dunedin
| Number of bedrooms | Electric | Gas | Wood burner | Multi-fuel | Open fire |
|---|---|---|---|---|---|
1 | 7% | 0% | 5% | 0% | 6% |
2 | 24% | 10% | 10% | 22% | 6% |
3 | 29% | 43% | 24% | 11% | 35% |
4 | 18% | 23% | 33% | 33% | 12% |
5 | 18% | 17% | 19% | 33% | 35% |
6 | 3% | 7% | 10% | 0% | 6% |
Tables for Section 14
November 2005
© Ministry for the Environment