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

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Energy and Water

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  1. Energy and Water • Water Supplies for the Future • ACWA Regions 9 and 10 Joint Program • October 19, 2012

  2. 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)

  3. 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)

  4. Metropolitan Water District of Southern California Colorado River Aqueduct

  5. 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

  6. 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)

  7. 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

  8. 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

  9. Imported Supplemental Energy

  10. 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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