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Kittitas County Detention Center <br />M=?444- <br />'i <br />vi <br />5.1 LIGHTING ECM SUMMARY <br />Table 5-1: Lighting ECM Annual Savings <br />Energy <br />Cost <br />Implementation <br />Simple <br />Description <br />Savings <br />Savings <br />Cost <br />Payback (years) <br />Notes <br />(kWh/ r) <br />($/ r) <br />Light fixture <br />89,250 <br />$7,140.02 <br />$66,250.00 <br />9.3 <br />1,2 <br />replacement - LED <br />Exterior lighting <br />1,856 <br />$148.48 <br />$600.00 <br />4.0 <br />1,3 <br />controls — astronomic <br />timer <br />Notes <br />1. Cost savings based on estimated electricity cost of $0.08 per kWh. <br />2. Implementation cost based on fixture replacement or retrofit by maintenance staff. <br />3. Implementation cost based on one-to-one replacement of existing time clock with no <br />changes to electrical circuits. <br />5.2 MECHANICAL ECMS <br />Table 5-2 Mechanical ECM Annual Savings <br />Energy <br />Energy <br />Cost <br />Implementation <br />Simple <br />Description <br />Savings <br />Savings <br />Savings <br />Cost <br />Payback <br />Notes <br />(kWh/ r) <br />(CCF/ r) <br />($/ r) <br />(years) <br />HVAC <br />55,530 <br />868 <br />$5,220 <br />$3000 <br />.6 <br />1,2,4 <br />Maintenance <br />Controls <br />238,477 <br />2,175 <br />$20,540 <br />$184,500 <br />9 <br />1,6 <br />Pump VFDs <br />38,363 <br />0 <br />$2,880 <br />$18,125 <br />6.3 <br />1,5 <br />Retro- <br />94,357 <br />1,658 <br />$9,090 <br />$31,406 <br />3.5 <br />1,3 <br />Commissioning <br />Notes <br />1. Cost savings based on estimated electricity cost of $0.08 per kWh. <br />2. Implementation cost based on fixture replacement or retrofit by maintenance staff. <br />3. Retro-commissioning may reduce electricity and gas consumption by as much as 15%. <br />4. Maintenance would include cleaning of air handlers and mini -split exterior coils, filter <br />replacements and duct interiors. <br />Project Number 22-084 23 <br />October 28, 2025 <br />