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Water Energy Nexus Charley Wilson Urban Water Institute February 21, 2013

Learn about the Water-Energy Nexus, its importance, and actions for system reliability in California. Explore the interdependencies of water and energy resources and infrastructure, regulatory initiatives, and strategies for sustainable water and power solutions in the region.

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Water Energy Nexus Charley Wilson Urban Water Institute February 21, 2013

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  1. Water Energy NexusCharley WilsonUrban Water InstituteFebruary 21, 2013

  2. Overview • What is the Water Energy Nexus? • Why is it important to system reliability. • What you can do to assure system reliability.

  3. Water-Energy Nexus • The interdependencies among water and energy resources and infrastructure. At a policy level, California considers the scope of its water-energy nexus to include climate-related impacts, including greenhouse gas emissions. • Since the California Energy Commission (CEC) issued its landmark finding in 2005. • The Water-Energy Team of the Climate Action Team (WET-CAT) adopted and is implementing a multi-agency water-energy strategic plan. • The CEC has increased requirements for water and energy efficiency in buildings through revisions to the California Building Standards Code.2 • California Department of Water Resources now requires consideration of the water-energy nexus in competition for Integrated Regional Water Management Planning grants, and has also included elements of the state’s water-energy-climate nexus in the California Water Plan. • The CPUC directed the state’s energy investor-owned utilities (IOUs) to include the water-energy nexus in their 2013-2014 Energy Efficiency portfolios.

  4. The Water And Power Partnership • Water represents nearly 20% of the electricity consumed in the state • Energy costs are a significant portion of most water agency budgets • AB 32 impacts

  5. Annual Water-Related Electric Consumption by Segment of the Water Use Cycle

  6. Energy Consuming Segments of California’s Water-Use Cycle “Refining Estimates of Water‐Related Energy Use in California”, Navigant Consulting for the California; Energy Commission Public Interest Energy Research division (PIER), CEC‐500‐2006‐118, 2006.

  7. Parallel Concerns

  8. Cost of Service is Increasing Faster Than Energy Sales Resulting in Higher Customer Rates Public policy is driving up the cost of energy; additional investments are needed for grid reliability Cost of Service Rates = Energy efficiency and distributed generation offer customers options to better manage usage and avoid escalating rates Energy Sales

  9. System Reliability Price Stability Environmental Considerations SCE Public Policy Objectives • Balance objectives through CPUC/CEC’s “loading order”: • Energy Efficiency; Demand Response • Renewable Resources; Distributed Generation • Clean and Efficient Fossil-Fired Generation Integration of Renewables Must Consider and Satisfy These Objectives

  10. SCE Delivers More Renewable Power Than Any Other Utility in The Country 28.3 Billion kWh SCE has contracts in place to reach the 20% RPS goal in 2010, and is working toward the 33% RPS goal by 2020. 89% Increase 2010 Renewable Resources (14.5 billion kWh) 15.0 Billion kWh 33% RPS Small Hydro 5% Solar 6% Biomass 7% 20% RPS Geothermal 53% Wind 29% 2020 2010 19.4% SCE 2010 Renewable Resource % of Total Delivered Portfolio:

  11. The LA Basin: Challenges And Potential Solutions • Recent studies show need for 2400-3600 MW of “West LA Basin” to replace OTC plants • Local transmission grid (220kV) runs from the coast to serve load • Re-powering at beach sites may face stiff opposition • LA Basin is a non-attainment area and AQMD rule 1304 is one of the few sources of emissions offsets for new generation Mandalay Ormond Beach El Segundo Redondo Beach Alamitos Huntington Beach

  12. Forces Influencing Southern California Infrastructure Development

  13. The Role of Nuclear Energy in California • San Onofre provides “baseload” generation – 24 hours a day, 7 days a week, regardless of weather conditions, unlike wind and solar. • Nuclear energy provides voltage support, which keeps the electrons moving through the grid across the region. • Nuclear energy is by far the largest source of carbon-free generation and in 2011, provided 24 percent of SCE’s electricity generation mix. • 37 percent of the state’s emission-free power generation is supplied by nuclear energy facilities that can produce large amounts of electricity day and night, and without constraints.

  14. Water Sector Opportunities

  15. HHH Investing in Efficiency

  16. Using Water Over And Over Again: Recycling

  17. How SCE Can Help • Technical assistance to identify and evaluate projects • Free energy audits, pump efficiency testing, and engineering evaluations • Free training classes/workshops • Incentive funding for qualifying projects • Energy Efficiency: both new construction and replacement • Demand Response: both new construction and replacement • Self Generation: solar, wind, biogas, and now in-conduit hydro • Contact your SCE Account Manager/Executive early in the planning process. • Engage in Regulatory and Legislative process

  18. Summary Educate Conserve Participate Invest

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