5220.0.55.002 - Information paper: Gross State Product using the Production approach GSP(P), 2007  
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 14/09/2007  First Issue
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ELECTRICITY, GAS AND WATER SUPPLY

Definition and scope

The Electricity, gas and water supply industry includes all units mainly engaged in the generation, transmission or distribution of electricity; manufacture of town gas from coal and/or petroleum or the distribution of the manufactured town gas, natural gas or liquefied petroleum gas through a mains reticulation system; the storage, purification or supply of water; or the operation of sewerage or drainage systems including sewerage treatment plants.


ANZSIC93 Division D, Electricity, gas and water supply, consists of two sub-divisions:

  • Electricity and gas supply (sub-division 36)
  • Water supply, sewerage and drainage services (sub-division 37).


Summary of GSP(P) sources and methods

The methodology for Electricity, gas and water uses an output indicator approach to compile state by industry GVA estimates. Output volumes are derived using quantity revaluation of the state output indicators. The output volumes then form the basis upon which volume measures of GVA are derived at the division level.


Quantity data by state for the Electricity class are sourced from the quarterly ABS Manufacturing Industry.


Price data for the Electricity class are obtained from a number of sources including the National Electricity Market Management Company (NEMMCO) and the Electricity Supply Association of Australia (prior to 1999-2000). The NEMMCO price data are not available for Western Australia and the Northern Territory. The average price for all other states has been used for these two states.


The quantity of gas produced by state is sourced from the quarterly ABS Manufacturing Industry. State gas price data were previously sourced from the Australian Gas Association. As these data are not available after 1997-98, Consumer Price Index, Australia (CPI) (cat. no. 6401.0) gas data have been used to extrapolate data from 1997-98.


Water and sewerage current price data and volumes are sourced from various water authorities in New South Wales, Victoria, Queensland and South Australia.


For the remaining states, the average consumption per head of population of New South Wales, Victoria, Queensland and South Australia was used with population estimates to obtain current price and volume data.


The component level output estimates are summed and then chained to form a total Electricity, gas and water volume output indicator by state. The state output indicators are used to derive volume measures of GVA for Electricity, gas and water. The state volume GVAs are then benchmarked to the annual national industry volume GVA.



Results for Electricity, gas and water

Electricity, gas and water gross value added(a), Chain volume measures(b)

2000-01
2001-02
2002-03
2003-04
2004-05
2005-06

Values ($m)

New South Wales
6 181
5 890
5 822
5 791
5 714
6 079
Victoria
5 635
5 614
5 714
5 626
5 723
5 619
Queensland
2 803
2 916
2 864
2 995
2 928
3 202
South Australia
1 476
1 455
1 540
1 609
1 656
1 580
Western Australia
2 443
2 480
2 591
2 630
2 732
2 728
Tasmania
730
727
738
712
765
733
Northern Territory
180
186
182
176
180
186
Australian Capital Territory
463
468
436
469
451
422
Australia
19 840
19 690
19 867
20 000
20 147
20 549

Percentage changes from previous year (%)

New South Wales
4.6
-4.7
-1.2
-0.5
-1.3
6.4
Victoria
-2.8
-0.4
1.8
-1.5
1.7
-1.8
Queensland
7.1
4.0
-1.8
4.6
-2.3
9.4
South Australia
0.4
-1.4
5.8
4.5
2.9
-4.5
Western Australia
1.1
1.5
4.5
1.5
3.8
-0.1
Tasmania
-0.9
-0.4
1.5
-3.4
7.4
-4.1
Northern Territory
-2.7
3.7
-2.5
-3.0
2.0
3.5
Australian Capital Territory
1.5
1.1
-6.9
7.5
-3.8
-6.4
Australia
1.5
-0.8
0.9
0.7
0.7
2.0

(a) At basic prices.
(b) Reference year for chain volume measures is 2004-05.

Electricity, gas and water gross value added(a), Chain volume measures(b)-Percentage changes
Graph: Electricity, gas and water gross value added(a), Chain volume measures(b)–Percentage changes


Electricity, gas and water gross value added(a), Chain volume measures(b)-Percentage changes
Graph: Electricity, gas and water gross value added(a), Chain volume measures(b)–Percentage changes


Electricity, gas and water gross value added(a), Chain volume measures(b)-Percentage changes
Graph: Electricity, gas and water gross value added(a), Chain volume measures(b)–Percentage changes


Electricity, gas and water gross value added(a), Chain volume measures(b)-Percentage changes
Graph: Electricity, gas and water gross value added(a), Chain volume measures(b)–Percentage changes



New South Wales had a period of relatively sustained growth between 1990-91 and 2000-01, which was followed by a four year period of negative growth. Victoria, Queensland, Western Australia and Tasmania have shown variability in growth rates throughout the time series. Throughout the time series, none of the states exhibited the growth pattern exhibited by Australia as a whole.


In the last six years, peak positive growth has occurred in 2002-03 (Victoria and Western Australia), 2004-05 (Tasmania) and 2005-06 (Queensland). A number of these increases are the result of new power stations commencing operation in these states. In South Australia, the Northern Territory and the Australian Capital Territory growth has been quite variable throughout the time series.


In 2005-06, New South Wales, Queensland and the Northern Territory experienced positive growth of 6.4%, 9.4% and 3.5% respectively with a major portion of this growth due to state implementation of the federal government Mandatory Renewable Energy Target that commenced on 1st April 2001. This has seen significant increases in power generation from renewable sources such as wind, solar and biomass.

Electricity, gas and water gross value added, State shares - Current prices

1989-90
1994-95
1999-00
2003-04
2004-05
2005-06
%
%
%
%
%
%

New South Wales
35.0
37.8
27.5
28.5
28.4
28.3
Victoria
30.3
26.8
30.1
28.3
28.4
28.5
Queensland
13.5
13.8
13.9
14.7
14.5
15.4
South Australia
6.6
6.7
8.3
8.1
8.2
8.2
Western Australia
9.1
9.0
13.7
13.4
13.6
13.2
Tasmania
3.0
3.4
3.7
3.8
3.8
3.5
Northern Territory
1.1
0.7
0.9
0.9
0.9
0.8
Australian Capital Territory
1.3
1.8
2.0
2.3
2.2
2.1
Australia
100.0
100.0
100.0
100.0
100.0
100.0


Victoria and New South Wales together accounted for 56.8% of Australian Electricity, gas and water GVA in 2005-06, while Queensland contributed a further 15.4% and Western Australia 13.2%. The state shares for New South Wales, Victoria and Northern Territory have decreased throughout the time series, with New South Wales moving from 35.0% in 1989-90 to 28.3% in 2005-06. All other states increased to varying extents with Western Australia's share rising the most, moving from 9.1% in 1989-90 to 13.2% in 2005-06.



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