Solar Pre-Heating for the Dairy Industry

Solar Pre-Heating for the Dairy Industry

Winston Cone Optics (WCO) has installed a 73 m2 pilot solar thermal system on the roof top of a local dairy in Merced, CA which provides solar pre-heating of hot water used for milking equipment sterilization. The system pre-heats water daily from about 62 to 180 °F and stores it for use around the clock, reducing on-site propane consumption by 85%. This project is supported by the California Energy Commission under PIR-20-004. WCO will monitor performance for 6 months to evaluate technology readiness for the dairy industry.

Solar Array Aperture Area:
73m2
Cold Feed Water Temperature:
62 °F
Solar Pre-Heated Output Temperature:
180°F
Total Hot Water Storage:
658 gallons
Peak Solar Output (Typical)
35kWth
Daily Energy Generation
245 kWh
Expected Energy Savings:
85%
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