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Executive Summary I Background Background In August of 2019, City Council passed Resolution 25, Series 2019, which set clean energy and carbon emission reduction goals for the municipality and larger community, including: • Meeting 100 % of Louisville's municipal electric needs with 100 % carbon -free sources by 2025 • Reducing core municipal greenhouse gas emissions annually below the 2016 baseline through 2025. The City of Louisville also adopted Resolution 25-2019 (Setting Clean Energy and Carbon Emission Reduction Goals), and a Sustainability Action Plan (adopted in October 6, 2020). On December 30, 2021, the massive Marshall Fire raged in portions of the Front Range, destroying 550 homes and businesses in Louisville alone. Climate change, which much of the fire is attributed to, became very real to the City, which had already been establishing decarbonization targets. The fire accelerated the City's sense of urgency to act to eliminate its own carbon footprint. In response to this urgency, in summer and fall 2022, the City contracted for the creation of a study, analysis, and strategic roadmap for electrification and decarbonization of 100 % of City buildings, fleet, equipment and operations* by 2030 (as part of this study, an alternative completion target was determined). This document is the outcome of that effort. Environmental, Community, and Financial Stewardship and Leadership Louisville is already aggressively pursuing a path to decarbonization of its own operations through efficiency and renewable electricity. This roadmap establishes a pathway to complete decarbonization, including: additional efficiency measures, renewables, and electrification of buildings, vehicles, and miscellaneous equipment. Louisville will be one of the first jurisdictions in the United States to aggressively embark on decarbonized operations. By taking responsibility for its carbon and climate impacts, Louisville is an exemplar to its own residents as well as the broader world. On a more focused level, the specific efforts Louisville is taking provide a "show and tell" opportunity for decarbonization through communications to City residents and beyond. *Note this roadmop does not include decarbonization for water and wastewater process loads, purchasing, solid waste/recycling/composting, orstreet lighting. It also does not include equipment that is used via third -party contracts What is Involved in Decarbonization What is decarbonization? It is the process of eliminating all activities that generate CO2 and other greenhouse gases (in aggregate, known as CO2e -equivalent). Today, the city's operations (buildings, fleet, miscellaneous equipment) generate 3,400 metric tons of CO2e annually, which is equivalent to the carbon generated by 430 homes in a year. WED PERFORIfANC,, HIGHLY EFFICIENT iy � Louisrilla z o W Decarbonization P Eliminating Louisville's carbon footprint requires focus on four main areas: Embodied Carbon Retrofitting existing buildings, rather than tearing down and building new zero carbon buildings, reduces the carbon inherent in the construction process. Efficiency & Load Reduction Reducing building energy use, and thereby reducing carbon emissions, reduces the amount of renewable energy needed for total decarbonization. Renewably Powerable Reducing on -site fossil fuel burning via electrification allows the building to be powered by renewable sources. Renewably Powered Optimizing the mix of available renewable zero -carbon sources leads to decarbonization at the best value for the City of Louisville. Note that these activities aren't necessarily implemented sequentially - this plan identifies the most cost-effective and high -value phasing plan for im CITY OF LOUISVILLE I FINAL REPORT V3 1 INTERNAL DECARBONIZATION PLAN 14 17