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Water and Energy are Linked

Energy and Water Nexus: Mary Ann Dickinson

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Page 1: Energy and Water Nexus: Mary Ann Dickinson

Water and Energy are Linked

Page 2: Energy and Water Nexus: Mary Ann Dickinson
Page 3: Energy and Water Nexus: Mary Ann Dickinson

US Daily Water Withdrawals

49% of U.S. water withdrawals for power plant cooling (201 Billion gal/day)

51% of freshwater withdrawals (143 Billion gal/day)

U.S. Average of 23 gallons per kWh

49%

31%

11%

6% 3%

US Daily Water Usage

Power plant cooling

irrigation

public supply

industrial & mining

livestock & aquaculture

Total = 410 Billion Gallons in 2005

Source: US Geological Survey 2005

Page 4: Energy and Water Nexus: Mary Ann Dickinson

National Water Withdrawals

Source: US Geological Survey 2005

Page 5: Energy and Water Nexus: Mary Ann Dickinson

Embedded Energy

Source: California Energy Commission, 2005 IEPR

Page 6: Energy and Water Nexus: Mary Ann Dickinson
Page 7: Energy and Water Nexus: Mary Ann Dickinson

National Action Needed

Blueprint document issued with over 50 recommendations from the stakeholder workshop

Focused on state and national policies and programs

Presented to Congress Posted at

www.a4we.org

Page 8: Energy and Water Nexus: Mary Ann Dickinson

Water and Energy Research

Summary of water-energy nexus research conducted to date

Gaps in research identified

Research recommendations to achieve economic and environmental benefits of water and energy efficiency

Posted at www.a4we.org