Energy Efficiency - Energy, Society, and the Environment...

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Energy, Society, and the Environment Unit 8 ENERGY EFFICIENCY
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Energy Efficiency Reducing Demand: Reducing Electricity and Petroleum Use Make the Produced Energy Go a Longer Way: through improved technology conscious energy use energy-conscious development changing lifestyle new products, new designs new approaches to transportation and buildings
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Electricity Demand
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Transportation Traffic in China Traffic in LA 1000 new cars on the road in Beijing alone
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Energy Consumption vs. Wealth Source: United Nations Statistical Yearbook 2003
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Petroleum Consumption The United States consumes 21 million barrels/day 25% of the world consumption Highest consumption per capita after Canada and Saudi Arabia
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US Energy Consumption Energy flow in 2007 from the Department of Energy Petroleum: 39.82 Imported Petroleum: 28.70 Transportation: 29.10%
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Buildings consume 39% of total U.S. energy • 71% of electricity and 54% of natural gas Energy Consumption: Building End-Use Image credit: Building Technologies Dept, LBNL
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Petroleum Use Primary Use: Transportation Agriculture (Industrial farming),Heating, Production of Plastics, Lubricants, Asphalt, Wax
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Energy Efficiency I aim to show you that Energy Efficiency has to be the first component of any national energy plan or response to climate change Energy/cost savings can be HUGE with simple steps We’ll look at many examples
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Today: In Class Demo of Energy Efficient Window Technology Bill Lake-Wright Prentice Fountain Home Depot
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Energy Intensity (E/GDP) in the United States (1949 - 2005) and France (1980 - 2003) 0.0 5.0 10.0 15.0 20.0 25.0 1949 1953 1957 1961 1965 1969 1973 1977 1981 1985 1989 1993 1997 2001 2005 thousand Btu/$ (in $2000) If intensity dropped at pre-1973 rate of 0.4%/year Actual (E/GDP drops 2.1%/year) France 12% of GDP = $1.7 Trillion 7% of GDP = $1.0 Trillion U.S. Energy Intensity is actually dropping
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Per Capita Electricity Sales (not including self-generation) (kWh/person) (2006 to 2008 are forecast data) 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 1960 1962 1964 1966 1968 1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 United States California Per Capita Income in Constant 2000 $ 1975 2005 % change US GDP/capita 16,241 31,442 94% Cal GSP/capita 18,760 33,536 79% 2005 Differences = 5,300kWh/yr = $165/capita California: World’s 7th Largest Economy data from the California Energy Commission Total $700 Billion savings
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Impact of Standards on The Efficiency of 3 Appliances Source: S. Nadel, ACEEE, in ECEEE 2003 Summer Study, www.eceee.org 75% 60% 25% 20 30 40 50 60 70 80 90 100 110 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 Year Index (1972 = 100) Effective Dates of National Standards
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This note was uploaded on 09/04/2009 for the course PHYS 202 taught by Professor Ozel during the Spring '09 term at University of Arizona- Tucson.

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Energy Efficiency - Energy, Society, and the Environment...

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