Revolutionizing the Contact Lens Industry: Manufacturer Ensures Sustainable Future with Rooftop Solar PowerStaar Surgical, a contact lens manufacturer based in California, is set to reduce operational costs and enhance the reliability of its operations by implementing a rooftop solar microgrid. The company recently unveiled a 1.1 MW grid-tied microgrid at its production facility in Lake Forest, California. This installation is expected to result in annual electricity bill savings of $325,000, while also providing energy resilience during times when the central utility grid is affected. ReVamp Energy, a solar contractor, was responsible for designing, installing, and maintaining the microgrid, which includes battery energy storage. The microgrid is powered by a 780 kW rooftop array and SolarEdge DC-optimized inverters, with additional capacity installed on newly-constructed carports. This system is projected to reduce the contact lens manufacturer’s electricity costs by approximately 50%. Furthermore, the microgrid will help prevent losses caused by power outages during the manufacturing process, which can lead to spoiled production runs. Jay Cutting, president of ReVamp Energy, emphasized the importance of uninterrupted power for the lens manufacturing process, stating that even a brief power reduction can potentially ruin an entire production run. To ensure continuous production, excess solar energy will be stored in a 450 kW battery, providing backup power for up to 24 hours depending on the facility’s load requirements. The microgrid also includes a generator as an additional backup measure. ReVamp Energy designed custom-made switchgear that automatically switches the site’s energy supply to backup power in the event of a power outage. The microgrid can be managed through the SolarEdge monitoring platform, enabling Staar Surgical and ReVamp Energy to monitor key parameters such as solar energy production, consumption, and battery energy levels in real-time from a single platform. Cutting praised SolarEdge technology for its ability to optimize power generation and provide detailed performance data, ensuring efficient and cost-effective operation of the entire microgrid.

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