Sustainable Solutions: Contact Lens Manufacturer Embraces Solar Power to Ensure Operational ResilienceStaar Surgical, a contact lens manufacturer based in California, is set to reduce operational costs and enhance the reliability of its operations by installing a rooftop solar microgrid. The 1.1 MW grid-tied microgrid, located at the company’s production facility in Lake Forest, is expected to result in annual electricity bill savings of $325,000. Additionally, the microgrid will provide energy resilience during times when the central utility grid is affected. ReVamp Energy, a solar contractor, designed, installed, and will maintain the microgrid, which includes battery energy storage. The system consists of a 780 kW rooftop array with SolarEdge DC-optimized inverters, as well as two newly-constructed carports. With a total of 1,752 modules, the microgrid is anticipated to reduce the contact lens manufacturer’s electricity costs by approximately 50%. Moreover, the microgrid will prevent losses incurred by spoiled production runs that can occur when power outages disrupt the manufacturing process. Jay Cutting, president of ReVamp Energy, highlighted the significance of uninterrupted power for contact lens production, stating that even a few seconds of power reduction can ruin an entire production run. To ensure continuous production, excess solar production will be stored in a 450 kW battery, providing backup power for up to 24 hours. The microgrid also includes a generator as an additional backup measure. ReVamp Energy has developed custom-made switchgear that automatically switches the site’s energy supply to backup power during outages. The microgrid can be managed through the SolarEdge monitoring platform, allowing Staar Surgical and ReVamp Energy to track key parameters such as solar energy production, consumption, and battery energy levels in real-time from a single platform. Cutting emphasized the importance of SolarEdge technology in meeting the client’s requirements for high energy production, reliability, and intelligent control. The use of power optimizers and detailed performance data will enable efficient and cost-effective operation and maintenance of the entire microgrid.

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