California Energy Commission 1 Water, Power and California’s Future Commissioner Karen Douglas, J.D. Water, Energy and Climate Change North Bay Watershed Association 2008 Conference

California Energy Commission 2 Common System Issues Growing Demand Adequate Supplies Resource Quality Infrastructure Cost Environmental Protection Long-term Uncertainty Climate Change forces us to examine the nexus between water & energy!

California Energy Commission 3 Intersection of Water-Energy Electricity Generation –Hydro-electric Generation –Biogas and Other Renewable Generation –Power Plant Cooling –21 % of California’s Electricity Supply Water Conveyance, Treatment and Delivery Systems –Natural and Manmade Systems to Move Water to Where it is Demanded –27 % of total energy demand Water-related End Uses –73 % of total energy demand Water Supplies –Efficiency and Conservation –New Sources: Desalination, Stormwater Capture; Recycled

California Energy Commission 4 Water as Power CEC – California’s Generation Mix, 2006

California Energy Commission 5

6 Patterns of Peak Demand

California Energy Commission 7 Peak is Important

California Energy Commission 8 Energy Demand of New Water Source: Dr. Robert Wilkinson, Environmental Studies Program, University of California, Santa Barbara, and Martha Davis, IEUA

California Energy Commission 9 Energy in the Water-Use Cycle

California Energy Commission 10 California’s Greenhouse Gas Emissions ARB - Emission Inventory for 2004

California Energy Commission 11 Regional Issues and Differences One solution may not be appropriate for everyone.

California Energy Commission 12 WET CAT Strategies Require Recycle Water Programs at all Wastewater Treatment Plants Develop Urban Runoff and Expanded Stormwater Capture Programs Promote Greater End Use Water Efficiency through Mandates and Incentives Lower the Energy Intensity of the California’s Water Systems Develop Renewable Electric Generation at Water-related Sites

California Energy Commission 13 Achieve AB 32 Goals

California Energy Commission 14 “Anyone who can solve the problems of water will be worthy of two Nobel Prizes – one for peace and one for science.” John F. Kennedy

California Energy Commission 15 Global Warming Solutions Act “The debate is over. We know the science. We see the threat. And we know that the time for action is now.” – Governor Arnold Schwarzenegger Executive Order S-3-05 AB 32 (Nunez), Statutes of 2006

California Energy Commission 16 Information Energy Commission’s Website: –California Water-Energy Relationship Climate Action Team and Initiatives eam/index.html