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4602.3 - Queensland Water and Energy Use and Conservation, Oct 2009 Quality Declaration 
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 21/07/2010   
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Contents >> Energy Use >> Hot Water Systems

HOT WATER SYSTEMS

Almost all Queensland households (99.9% or 1,652,600) in October 2009 had a hot water system.


Energy source for hot water system

Of Queensland households that had a hot water system, 75% (1,233,400) used electricity as the energy source to heat it. Gas was used by 15% (240,600) of households as the energy source for their hot water system, and 8% (135,500) used solar energy (table 3.18).

Of the 135,500 households that used solar power for their hot water system, 91% (123,400) boosted it with electricity, while 5% (7,300) did not boost it at all (table 3.19).

Almost half (45% or 736,400) of Queensland households with a hot water system used off-peak electricity to heat it, while only 8% (125,100) used peak electricity. There were 371,800 households (23%) that knew their hot water system used electricity, but did not know if it was peak or off-peak.

Mains gas was used by 9% (146,900) of Queensland households to heat their hot water system, while only 6% ( 93,700) used LPG/bottled gas (table 3.20).

Proportion of households, Energy source for hot water system: Qld - Oct. 2009
Graph: Proportion of households, Energy source for hot water system: Qld—Oct. 2009


Of Brisbane households with a hot water system, electricity was used by 68% (497,900) as the hot water system energy source, compared to 80% (735,500) of households in the Balance of Queensland with a hot water system (table 3.18).

Mains gas was used to heat the hot water system in 16% (118,200) of Brisbane households with a hot water system, while for the Balance of Queensland the proportion was lower (3% or 28,800). For LPG/bottled gas, the proportions were 4% (29,300) and 7% (64,300) respectively (table 3.20).

Proportion of households, Energy source for hot water system - Brisbane & Balance of Qld - Oct. 2009
Graph: Proportion of households, Energy source for hot water system—Brisbane & Balance of Qld—Oct. 2009



3.18 SOURCE OF ENERGY FOR HOT WATER SYSTEM, Households: Brisbane & Balance of Qld - Oct. 2009

Electricity
Gas
Solar energy
Other(a)
Energy source unknown
Total

Number ('000)
Brisbane(b)
497.9
147.5
57.0
*1.9
26.1
730.4
Balance of Qld
735.5
93.1
78.5
*5.5
*9.6
922.2
Total
1 233.4
240.6
135.5
*7.4
35.8
1 652.6
Proportion (%)
Brisbane(b)
68.2
20.2
7.8
*0.3
3.6
100.0
Balance of Qld
79.8
10.1
8.5
*0.6
1.0
100.0
Total
74.6
14.6
8.2
*0.4
2.2
100.0

* estimate has a relative standard error of 25% to 50% and should be used with caution
(a) Includes wood, oil and other energy sources.
(b) Refers to the Brisbane Major Statistical Region.

3.19 TYPE OF BOOSTER FOR SOLAR HOT WATER SYSTEM, Households: Qld - Oct. 2009

Electric
Gas(a)
Other
Not boosted
Total(b)

Number ('000)
123.4
np
np
7.3
135.5
Proportion (%)
91.1
np
np
5.4
100.0

np not available for publication but included in totals where applicable, unless otherwise indicated
(a) Includes mains and bottled gas.
(b) Includes booster type not known.

3.20 SOURCE OF ENERGY FOR HOT WATER SYSTEM, Households: Brisbane & Balance of Qld - Oct. 2009

Peak
electricity
Off-peak
electricity
Electricity type
unknown
Mains
gas
LPG/
Bottled gas
Solar
energy
Other(a)
Energy source unknown
Total

Number ('000)
Brisbane(b)
43.2
293.3
161.3
118.2
29.3
57.0
*1.9
26.1
730.4
Balance of Qld
81.9
443.1
210.5
28.8
64.3
78.5
*5.5
*9.6
922.2
Total
125.1
736.4
371.8
146.9
93.7
135.5
*7.4
35.8
1 652.6
Proportion (%)
Brisbane(b)
5.9
40.2
22.1
16.2
4.0
7.8
*0.3
3.6
100.0
Balance of Qld
8.9
48.0
22.8
3.1
7.0
8.5
*0.6
1.0
100.0
Total
7.6
44.6
22.5
8.9
5.7
8.2
*0.4
2.2
100.0

* estimate has a relative standard error of 25% to 50% and should be used with caution
(a) Includes wood, oil, and other energy sources.
(b) Refers to the Brisbane Major Statistical Region.







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