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Executive Summary I Decarbonization Implementation Plan Fossil Fuel Emissions Metric Near Term Tons [1302e] Baseline Fossil Fuel 3,500 - $200-250k $0.6-1M g0.5-1M 3,000 $1.5-2.514 $4-51M 2,500 2,000 Mid Term Long Term Ongoing Net Construction Costs Total Construction Costs $4 7M SO M $12-1614 $1.5-214 $0.5-11M , $3.5-4.5M Efficiency &Load Reduction $4-61M$0.3-0.SM 1,500 • $7-lOM $r,• $3-4M . Miscellaneous Equipment $11-13 .Fleet leet . Buildings 500 0 The Suggested phasing is based on preferred order of operations and remaining equipment We. Cost Summary Table Total Construction Costs —$51M Total Like -for -Like Construction Costs (4271,11) (costs that the City would continue to pay) Lifecycle Utility Cost Savings ($71,11) (Utility, Fleet, Solar) Total Grants ($3114-13M) Emerging Technologies & Economies of Scale $3-4M r 1 $5 1M r Notes: Total Construction Costs: Total turnkey construction costs needed for budgetary purposes. Costs do not include incentives or grants. The Inflation Reduction Act will potentially offset 30-40 % of the cost of renewables and fleet. Total Like -for -Like Construction Costs: The turnkey "business as usual' costs for replacing existing fossil fuel equipment with similar fossil fuel equipment. Costs were derived from a combination of the City's CIP budget and detailed cost estimating of equipment replacement as the comparison scenario. Net Construction Costs: (Total Construction Costs) -(Total Like -for -Like Construction Costs) Total Net Cost of Decarbonization: (Total Construction Costs) - (Total Like -for -Like Construction Costs) -(Total Project Savings +Total Grants) Turnkey Costs: Include design, engineering, construction management, project management, and commissioning. Building costs include costs associated with EV charging (chargers and electrical infrastructure upgrades) *Assumes 2023 Xcel Grid Mix Electricity Emissions Metric Potential Add -On Tons [CO2e] 3, 600 Baseline Electricity* Efficiency & Load 3,000 Renewables Reduction & $6-10m Renewables reduce 2,500 [$2.711 Tax Credit] electricity that would need to be offset by nearly 50%. 2,000 1,500 Efficiency & Load Reduction Emerging i i $200-250k technologies & 1,000 economies of scale 1 1 I I Clean will help bring 500 I I Grid 1 Louisville to Zero 1 I 1 Carbon emissions. 0 Life Cycle Baseline Baseline Carbon Carbon Electricity Savings Summary by Measure Reduced % Reduction Offset fA Building Hybrid Electrification 34,000 tonnes 60% Fleet Electrification 6,500 tonnes 12% Miscellaneous Electrification 2,500 tonnes 4% - �i Efficiency & Load Reduction 2,400 tonnes 4% 5% Renewables - 45% Total 45,400 tonnes 82% 50% CITY OF LOUISVILLE I FINAL REPORT V3 1 INTERNAL DECARBONIZATION PLAN 16 19