Nevada Greenhouse Gas Inventory and Reference Case Projections

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FINAL Nevada GHG Inventory and Reference Case Projection CCS, July 2007 Figure B2. Commercial Sector GHG Emissions from Fuel Consumption MMtCO2e 12 10 8 6 4 2 Electricity Wood Natural Gas Petroleum Coal 0 1990 1995 2000 2005 2010 2015 2020 Year Source: CCS calculations based on approach described in text. Note: Emissions associated with coal and wood combustion are too small to be seen on this graph. Figure B3. Industrial Sector GHG Emissions from Fuel Consumption MMtCO2e 16 14 12 10 8 6 4 2 0 Electricity Wood Natural Gas Petroleum Coal 1990 1995 2000 2005 2010 2015 2020 Year Source: CCS calculations based on approach described in text. Note: Emissions associated with wood combustion are too small to be seen on this graph. For the 15-year period 2005 through 2020, residential-sector GHG emissions associated with the use of electricity and natural gas are expected to increase at average annual rates of about 2.2% and 3.5%, respectively. Emissions associated with the use of coal, petroleum, and wood fuels are expected to increase annually by about 0.8%, 2.5%, and 1.4% on average, respectively, from Nevada Division of 34 Center for Climate Strategies Environmental Protection www.climatestrategies.us
FINAL Nevada GHG Inventory and Reference Case Projection CCS, July 2007 2005 through 2020. Total GHG emissions for this sector increase by an average of about 2.5% annually over the 15-year period. For the commercial sector, emissions from electricity and direct fuel use in 1990 were about 4.7 MMtCO 2 e and are estimated to increase to about 10.5 MMtCO 2 e by 2020. Emissions associated with the generation of electricity to meet commercial energy consumption demand accounted for about 78% of total commercial-sector emissions in 1990, and are estimated to decrease to about 72% of total commercial emissions by 2020. In 1990, natural gas consumption accounted for about 18% of total commercial emissions, and is estimated to account for about 25% of total emissions from the commercial sector by 2020. Commercial-sector emissions associated with the use of coal, petroleum, and wood in 1990 were about 0.21 MMtCO 2 e combined, and accounted for about 4% of total commercial emissions. For 2020, emissions associated with the consumption of these three fuels are estimated to be 0.26 MMtCO 2 e, and to account for 3% of total commercial sector emissions. For the 15-year period 2005 through 2020, commercial-sector GHG emissions associated with the use of electricity and natural gas are expected to increase at average annual rates of about 2.2% and 4.2%, respectively. Emissions associated with the use of coal, petroleum, and wood are expected to increase annually by about 2.1%, 2.3%, and 2.2% on average, respectively, from 2005 through 2020. Total GHG emissions for this sector increase by an average of about 2.6% annually over the 15-year period. For the industrial sector, emissions in 1990 were about 7.1 MMtCO 2 e; industrial emissions are estimated to increase to about 14.2 MMtCO 2 e by 2020. Emissions associated with the generation of electricity to meet industrial energy consumption demand accounted for about 70% of total industrial emissions in 1990, and are estimated to remain at about 70% of total industrial emissions through 2020. In 1990, natural gas consumption accounted for about 6% of total industrial emissions, and gas use is estimated to account for about 7% of total industrial emissions by 2020. The consumption of petroleum accounted for about 19% of total industrial emissions in 1990, and is estimated to decline slightly to about 18% of total industrial emissions by 2020. Industrial sector emissions associated with the use of coal and wood in 1990 were about 0.4 MMtCO 2 e combined and accounted for about 5% of total industrial emissions. For 2020, emissions associated with the consumption of these two fuels are estimated to be 0.7 MMtCO 2 e, and to account for 5% of total industrial sector emissions combined. For the 15-year period 2005 to 2020, industrial sector GHG emissions associated with the use of electricity and natural gas are expected to increase at average annual rates of about 1.3% and 2.6%, respectively. Emissions associated with the use of coal, petroleum, and wood are expected to increase annually by about 2.2%, 3.6%, and 4.3% on average, respectively, from 2005 through 2020. Total GHG emissions for this sector increase by an average of about 1.8% annually over the 15-year period. Nevada Division of 35 Center for Climate Strategies Environmental Protection www.climatestrategies.us
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