energy sources and uses

1. Session 2 – Energy Sources and Uses
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Topics
Text, Chapter 1
Sustainable, renewable definitions
Energy definitions and relationships
Energy sources and conversions
US Energy supply and usage
Contribution of renewables
US electrical sources and uses
Environmental impacts
T. Ferguson, University of
Minnesota, Duluth, 2008.

2. Definitions
• Sustainable Energy
• Renewable Energy
• Non-renewable Energy
T. Ferguson, University of
Minnesota, Duluth, 2008.

3. Definitions and Relationships
• Discussion of fuels and typical units:
– Food (kg-cal)
– Gasoline (btus)
– Natural gas (btus)
– Electricity (kwh)
– Solar radiation (watts)
– Cosmic Radiation (electron volts)
• Conversions
• Absolute energy content (eq. 1-14)
T. Ferguson, University of
Minnesota, Duluth, 2008.

4. U.S. Energy Supply - 2007
T. Ferguson, University of
Minnesota, Duluth, 2008.

5. US Energy Supply - 2006
T. Ferguson, University of
Minnesota, Duluth, 2008.

6. Renewables - 2007
T. Ferguson, University of
Minnesota, Duluth, 2008.

7. Renewables - 2006
T. Ferguson, University of
Minnesota, Duluth, 2008.

8. Potential U.S. Electric Energy Resource
Concentrations
T. Ferguson, University of
Minnesota, Duluth, 2008.

9. Sources and Uses of Electricity - 2007
T. Ferguson, University of
Minnesota, Duluth, 2008.

10. Sources and Uses of Electricity, 2006
T. Ferguson, University of
Minnesota, Duluth, 2008.

11. Environmental Impacts
All Technologies Have Adverse Impacts
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Extraction
Refining
Transportation
Operations
Decommissioning
T. Ferguson, University of
Minnesota, Duluth, 2008.

12. Atmospheric Impacts
CO2, in million metric tons
Source: EIA
T. Ferguson, University of
Minnesota, Duluth, 2008.