Chrysler Cuts Cooling Costs 28%, Earns $200,000 Utility Rebate
Facility Bio
- Auburn Hills, MI
- 5.3 million ft2 corporate R&D, and data center space
- Offices for 13,000 employees
- Fourteen (14) chillers totaling 17,640 tons capacity
- 24/7/365 critical operations
Situation
- Outdated controls required continuous manual oversight
- All CHW flow in/out of (2) 3-million-gallon storage tanks
- Constant speed primary pumps with balance valves
- Secondary pump VFDs improperly controlled
- More chillers often running than necessary
- Low CHW ΔT, high kW/ton
Solution
- Convert chilled water loop to full variable flow
- Implement redundant PLC and adaptive Control Engine Optimization (CEO®) solution
- Integrate CEO® with existing site BAS to facilitate remote access
- Utilize storage tanks to minimize energy
- VFDs on pumps and towers only when justified by payback
Results That Exceed Client Expectations
Financial Savings
- $200,000 DTE Energy rebate, maximum incentive
- 28% reduction in annual energy costs
- 1.7-year payback
Energy Impact
- 12,130,000 kWh saved annually
- .35 kW/ton efficiency improvement
Operational Benefits
- Improved reliability of operations
- Minimized operator oversight
- Pumps running in eye of efficiency curve reduces maintenance
- Remote access provides:
- Improved performance monitoring & verification
- Reduce trouble shooting and response time
Still Have Questions?
Start saving on cooling costs.
Calculate your savings instantlyWe are the chilled water plant optimization experts
tekWorx optimization solutions consistently save faciliites 20-40% in annual energy costs. We'd love to help your facility do the same. Get in touch!
Approachable Expertise ®
© 2020 tekWorx. All right reserved. Privacy Policy