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1338.1.55.001 - Statistical Trends, NSW, 2007  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 19/09/2007  First Issue
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GREENHOUSE GAS AND ENERGY USAGE


Between 1990 and 2004, NSW net greenhouse emissions declined slightly (1% as measured by Carbon Dioxide equivalent (CO2e)). This resulted from a balance between an increase in CO2e from the Stationary and Transport energy sectors and a decline from the Agriculture and Land Use and Forestry sectors.

Change in Contribution to Greenhouse Gas Emissions – 1990–2004(a)(b)(c)(d)(e)
Graph: Change in Contribution to Greenhouse Gas Emissions—1990– 2004(a)(b)(c)(d)(e)



Based on past trends, the sustained pressure on greenhouse gas emissions will come mainly from the Stationary energy sector (largely electricity generation), and to a lesser but significant extent from Transport energy. Between 1990 and 2004, Stationary energy emissions increased by a quarter (16Mt of CO2e), to account for 48% of net total emissions. Transport energy emissions increased by 4Mt of CO2e, to account for 14% of net total emissions.

Land use change and forestry have offset these increases in emissions through an increase in the carbon biomass of vegetation and soil, contributing to a 14Mt of CO2e (60%) decrease in emissions from this sector. However, in recent years there has been a diminishing contribution from land use changes.


Energy Usage

Between 1999–2000 and 2004–05, total energy usage in NSW and ACT increased by 8.2%. Fuels contributing the most to energy usage in 2004–05 were black coal (52%) and petroleum (37%). The largest increase in fuel usage was for black coal (up 92 PJ or 13%). This is consistent with an increase of 36 PJ or 14% in electricity generation during the period. Linking fuel usage back to greenhouse gas emissions – increased electricity usage has been driving increased coal usage, and thereby stationary energy sector emissions, which recorded the largest increase in greenhouse emissions over the period.

Energy Consumption, By fuel type, NSW & ACT(a)1990–00 and 2004–05
Graph: Energy Consumption, By Fuel Type, NSW & ACT(a)—1990–00 and 2004–05



Renewable Sources of Electricity Generation

Electricity generation from renewable sources such as hydro, wind, solar, biomass or biogas provided 7.2% of NSW total electricity generation in 2005–06. Of these sources, the highest contribution was from hydro (5.9%), with the balance from other renewable sources (1.3%). In the future, it is projected that hydro will contribute a fixed amount of NSW energy generation, requiring other renewable sources such as wind, solar, biomass or biogas to increase considerably, if renewable sources are to maintain their share of electricity generation.

Electricity Generation, Renewable sources2005–06
Graph: Electricity Generation, Renewable sources—2005–06


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