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Energy and Water. Water Supplies for the Future ACWA Regions 9 and 10 Joint Program October 19, 2012. The Metropolitan Water District of Southern California. Wholesaler Provide supplemental water through 26 member agencies to a population of 19 million in southern California

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Energy and water
Energy and Water

  • Water Supplies for the Future

  • ACWA Regions 9 and 10 Joint Program

  • October 19, 2012


The metropolitan water district of southern california
The Metropolitan Water District of Southern California

Wholesaler

Provide supplemental water through 26 member agencies to a population of 19 million in southern California

Deliver ~ 2 M Acre-Feet annually

Sources (Surface Water)

Colorado River

State Water Project (Dept of Water Resources)


Metropolitan s 2010 energy consumption
Metropolitan's 2010 Energy Consumption

Colorado River Aqueduct

2.2M MWh

97% of total consumption

Other

0.02M MWh

1% of total consumption

Treatment Plants

0.045M MWh

2% of total consumption

2010 Total Electricity Used = 2.265M Megawatt-hours (MWh)



Metropolitan s energy management policies development
Metropolitan's Energy Management Policies Development

  • Updated Energy Policy Principles 2008

  • Initiated comprehensive review of long-term energy issues 2009

  • Approved Energy Management Policies 2010

    • Short-, mid-, and long-term perspective

    • Addressed uncertainties

    • Indentified key factors – contracts, regulations, legislation and water/energy nexus

  • Hoover, AB32 Cap and Trade, Water/Energy


Metropolitan s 2010 energy consumption1
Metropolitan's 2010 Energy Consumption

Colorado River Aqueduct

2.2M MWh

97% of total consumption

Other

0.02M MWh

1% of total consumption

Treatment Plants

0.045M MWh

2% of total consumption

2010 Total Electricity Used = 2.265M Megawatt-hours (MWh)


Metropolitan Water District of Southern California

Colorado River Aqueduct Energy Requirement (MWh)

Parker

210,000

Parker

220,000

Contract

240,000

Contract

50,000

Hoover

1,000,000

Imported

Energy

750,000

Hoover

1,130,000

2010

2012

2,200,000 Megawatt-hours

1,100,000 Acre-Feet

55% Hydro

1,400,000 Megawatt-hours

700,000 Acre-Feet

96% Hydro


Cap and trade program details
Cap and Trade Program Details

  • Greenhouse gas emissions in CA to be reduced to 1990 levels by 2020

  • GHG are reported and regulated, including emissions associated with imported electricity

  • Emissions of GHG to be covered with allowances

  • Number of available allowances capped and declines each year

  • Allowances obtained through auction or trades

  • Price of allowances set by market



Water energy nexus
Water/Energy Nexus

  • CA Energy Commission estimated 19% of the power consumed in CA was water related

    • 75% occurs at the end-user

  • 8% of water consumed domestically is devoted to producing energy – 25,000 AF/day

  • Even renewable energy facilities can require significant amounts of water

    • Desert solar plants can impact Colorado River water accounting for California


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