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INTER -OFFICE MEMORANDUM <br />DEPARTMENT OF PUBLIC WORKS <br />TO: Board of Public Works <br />FROM: Gemma Stanton, Project Engineer <br />SUBJECT: Guaranteed Energy Savings Contract with Ameresco for Olive WTP <br />Solar Array <br />DATE: 7/15/2025 <br />The Department of Engineering has been negotiating a Guaranteed Energy Savings Contract with <br />Ameresco for the installation of a solar array at Olive Water Treatment Plant. The total cost of the <br />contract for installation is $1,661,620. Ameresco will be responsible for Operations & Maintenance <br />for the first year of the guarantee period. O&M will be invoiced annually starting in the second <br />Guarantee Year at $5,789 with a 3% annual escalation. Maintenance & Verification will be invoiced <br />annually starting in the second Guarantee Year at $3,296, also with 3% annual escalation. <br />Project Details <br />• Total solar array generation capacity will be 392 kW-DC/375 kW -AC. <br />• Solar array will provide power to 4 of the 6 wells at Olive WTP. <br />• Construction expected to begin in Q1 2026, pending equipment lead times. <br />• Savings are guaranteed for the maximum 20 years allowed by the State of Indiana . <br />• "Begun Construction" threshold (5% of project costs expended) will be met within one year <br />of enactment of the One Big Beautiful Bill Act, preserving the project's eligibility for a 30% <br />Investment Tax Credit from the IRA. <br />• Including a 30% Investment Tax Credit, the breakeven year for the system is 23 years of <br />operation. <br />• M/WBE Goals will be met on the project. <br />The M/WBE utilization plans are attached to this contract. The goals have been set by the Office of <br />Diversity & Inclusion. <br />Thank you for your consideration of this request. <br />Please call with your questions at extension 9083. <br />Enc. Guaranteed Energy Savings Contract, M/WBE Utilization Plans <br />