Nevada Greenhouse Gas Inventory and Reference Case Projections

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FINAL Nevada GHG Inventory and Reference Case Projection CCS, July 2007 Figure A3. Electricity Generation and CO 2 Emissions from Nevada Power Plants, 2004 Total Generation 37,652 GWh Hydroelectric, 1,615 GWh, 4.3% Coal, 18,257 GWh, 48.5% Natural Gas, 16,386 GWh, 43.5% Petroleum, 96 GWh, 0.3% geothermal, 1,298 GWh, 3.4% Total GHG Emissions 25 MMTCO2e Natural Gas, 7.4 MMTCOe, 30% Coal, 17.5 MMTCO2e, 70% Petroleum, 0.1 MMTCO2e,
FINAL Nevada GHG Inventory and Reference Case Projection CCS, July 2007 Table A3 shows the growth in generation by fuel type between 1990 and 2004. Overall generation grew by 4.7 percent over the 15 years, while electricity consumption grew by 4.6 percent. In Nevada, natural gas generation has had particularly strong growth, increasing by more than seven times from 1990 to 2004. Coal generation grew more slowly but remains the dominant source of electricity in the State. Hydro generation shows a decrease between 1990 and 2004, but the table masks the considerable year-by-year variation from this resource. In the 15- year period, hydro generation ranged from a low of 1,615 GWh in 2004 to a high of 3,166 GWh in 1998. Table A3. Growth in Electricity Generation in Nevada 1990-2004. Generation (GWh) Growth 1990 2004 Coal 15,053 18,257 21% Hydroelectric 1,735 1,615 -7% Natural Gas 2,217 16,386 639% geothermal, solar, wind 761 1,298 70% Petroleum 284 96 -66% Total 20,051 37,652 88% Source: EIA Electric Power Annual Data Future Generation and Emissions Estimating future generation and GHG emissions from Nevada power plants requires estimation of new power plant additions and production levels from new and existing power plants. There are, of course, large uncertainties, especially related to the timing and nature of new power plant construction. The future mix of plants in Nevada remains uncertain as the trends in type of new builds are influenced by many factors. Since 2000, new fossil-fuel plants in Nevada have been natural gasfired; however, coal dominates the new plants that have been proposed recently in the State. Sierra Pacific Power and Nevada Power Company are also showing interest in new wind and geothermal plants, in part to meet new renewable generation requirements. Table A4 presents data on new and proposed plants in Nevada. Individual proposed plants are not modeled in the reference case projections, but the mix of types of proposed plants are considered when developing assumptions. Nevada Division of 19 Center for Climate Strategies Environmental Protection www.climatestrategies.us
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Nevada Greenhouse Gas Inventory and Reference Case Projections

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