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3. Environmental Checklist San Leandro Treatment Wetland IS/MND 3-29 February 2024 3.7. Energy ISSUES: ENERGY POTENTIALLY SIGNIFICANT IMPACT LESS THAN SIGNIFICANT WITH MITIGATION INCORPORATED LESS THAN SIGNIFICANT IMPACT NO IMPACT Would the Project: a) Result in potentially significant environmental impact due to wasteful, inefficient, or unnecessary consumption of energy resources, during project construction or operation? ☐ ☐ ☐ ☒ b) Conflict with or obstruct a state or local plan for renewable energy or energy efficiency? ☐ ☐ ☐ ☒ Discussion a) Wasteful energy consumption. The Project's construction, slated for 2024 and 2025, will involve both direct and indirect energy use, primarily through fuel consumption. Direct energy usage encompasses petroleum use for operating various construction machinery (such as excavators, front end loaders, dozers, water trucks, and handheld tools) as well as construction and employee vehicles. Indirect energy usage includes activities like the extraction and refining of crude oil to produce the fuels needed for the Project's construction. However, the energy consumption linked to the Project's construction is not expected to significantly increase overall energy use and is only temporary. The WPCP currently generates a portion of its total power demand with solar panels. The new facilities planned in the Project, including a pump station and nitrification facility, will partially rely on existing on-site power sources. The full-time operation of the nitrification facility, assuming 70% uptime of pumps and instrumentation to transport and nitrify 0.95 mgd, is estimated to increase the total energy use at the WPCP by about 600 megawatt-hours per year once the Proposed Project is operational. The Proposed Project will consume energy during both its construction and operational phases, but it is designed to avoid wasteful or unnecessary use of energy. Therefore, it is not expected to have any negative impact in terms of wasteful, inefficient, or unnecessary energy consumption. Impact Designation: No Impact b) Conflicts with energy policy. The Proposed Project will not conflict with existing energy efficiency policies and standards, and as such, it is not anticipated to have any adverse impact in this regard. Impact Designation: No Impact Cumulative Impacts on Energy The analysis of potential cumulative impacts on energy resources considers the WPCP and the broader regional context. The Proposed Project's construction phase will use typical amounts of fuel and electricity, but this energy demand is temporary and not expected to impact energy resources or lead to significant