# GO GREEN PROJECT: ENERGY USE Carl Pedersen, NDSU

GO GREEN PROJECT: ENERGY USE Carl Pedersen, NDSU Energy Educator ENERG Y the ability to do work Industrial revolution

Coal tons of energy Transportation revolution Oil moveable fuel

http://www.eia.doe.gov/emeu/aer/eh/frame.html Images property of Free Range Studios The U.S. gets 94 percent of its energy from nonrenewable sources and 6 percent from renewable energy sources.

http://www.eia.doe.gov/emeu/aer/eh/frame.html New ideas Biofuels Gasification Wind Solar Efficiency

www.energystar.gov New ideas

Biofuels Gasification Wind Solar Efficiency www.energystar.gov Home energy use (national averages)

Appliances and Lighting; 24.00% Space Heating; 46.00% Electric A/C; 8.00% Refrigeration; 5.00% Water Heating; 17.00% Home energy use (upper

midwest) Appliances and Lighting; 21.00% Electric A/C; 5.00% Space Heating; 54.00% Refrigeration; 5.00% Water Heating; 15.00%

Heat losses Attic Basements Walls Windows and doors 10% U.S. Department of Energy

30% U.S. Department of Energy Efficiency Electronics example

Plasma TV 75 watts standby \$65 per year in standby losses

Video games Nintendo Wii Sony Playstation 3 Efficiency Lighting

CFL 75% less energy Less cooling in summer \$50 per bulb

Determining energy use Item Power Number of Hours Energy/Day= Kilowatt-hour per Cost per day needs appliances on per watt-hour = day (watts) day watt-hour x 0.001=

AxBxC= E x \$.10/kwh = D x 0.001 = A B C D E F

Determining cost Incandescent light 75w CFL lights 15w

1 10 Cost per year F X 365 = G

75x1x10=750 750x0.001=0.75kwh 0.75 x \$.10=\$.075 \$27.38/year Energy efficiency Fix the leaky faucet

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