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2025 URBAN WATER MANAGEMENT PLAN <br /> MAY 2026/FINAL DRAFT/CAROLLO <br /> Table 6.13 Expected Future Water Supply Projects or Programs <br /> • ' • - Expected <br /> Water Type Increase in Water <br /> Future Additional (after Planned Planned Supply to <br /> for Use in Su leer <br /> (Yes/no) Supplier T <br /> Projects If Yes, Description treatment if Implementation Year pp <br /> or (as needed) treated) Year (This may be a <br /> e <br /> Programs Name (OPTIONAL) yp range) <br /> (AF) <br /> Well 42 No In design Potable 2027 ATypesll r 4,000-5,600 AFY <br /> Well 43 No In design Potable 2029 ATypesll r 2,400-5,600 AFY <br /> NOTES: City of Santa Ana, 2026. <br /> 6.10 Energy Intensity <br /> The City owns and operates a water distribution system and a wastewater collection system.This section <br /> reports the energy intensity for each system using data from FY 2024-2025.Water and energy resources <br /> are inextricably connected. Known as the "water-energy nexus," the California Energy Commission <br /> estimates the transport and treatment of water, treatment and disposal of wastewater, and the energy <br /> used to heat and consume water account for nearly 20 percent of the total electricity and 30 percent of <br /> non-power plant related natural gas consumed in California. In 2015, California issued new rules requiring <br /> 50 percent of its power to come from renewables, along with a reduction in greenhouse gas (GHG) <br /> emissions to 40 percent below 1990 levels by 2030. Consistent with energy and water conservation, <br /> renewable energy production, and GHG mitigation initiatives, the City reports the energy intensity of its <br /> water and wastewater operations. <br /> The methodology for calculating water energy intensity outlined in Appendix O of the UWMP Guidebook <br /> was adapted from the California Institute for Energy Efficiency exploratory research study titled <br /> "Methodology for Analysis of the Energy Intensity of California's Water Systems" (Wilkinson 2000). <br /> The study defines water energy intensity as the total amount of energy, calculated on a whole-system <br /> basis, required for the use of a given amount of water in a specific location. UWMP reporting is limited to <br /> available energy intensity information associated with water processes occurring within an urban water <br /> supplier's direct operational control. Operational control is defined as authority over normal business <br /> operations at the operational level. Any energy embedded in water supplies imparted by an upstream <br /> water supplier (e.g., water wholesaler) or consequently by a downstream water purveyor (e.g., retail water <br /> provider) is not included in the UWMP energy intensity tables.The City's calculations conform to <br /> methodologies outlined in the UWMP Guidebook and Wilkinson study. <br /> 6.10.1 Water Supply Energy Intensity <br /> In FY 2024-2025, the City consumed 561.2 kilowatt-hour (kWh) per AF for water extraction and delivery <br /> (Table 6.14). The basis for calculations is provided in more detail in the following subsections. <br /> CITY OF SANTA ANA <br />