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Energy Toolbase and BPi install smart storage system at Korbel Winery

California-based Korbel Winery is now equipped with an integrated energy storage and intelligent control system, installed by Energy Toolbase and BPi, to optimise usage and address local grid constraints.

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Energy Toolbase, a provider of energy management software, and Napa-based engineering firm BPi have completed the installation of three energy storage systems (ESS) at the Korbel Winery site in California. The project uses BYD battery units connected to the ETB Controller management system, aiming to manage the winery’s energy consumption in real time.

A response to local grid limitations

This technical deployment enables Korbel Winery to comply with a 980 kW alternating current export cap set by utility Pacific Gas & Electric, due to regional substation constraints. The installation allows for dynamic management of on-site generated energy, reducing demand spikes, aligning consumption with time-of-use billing, and improving cost-efficiency.

Storage, intelligent control, and limited export strategy

BPi implemented a limited export control strategy using SEL-751 relays and inline contactors. Energy Toolbase’s ETB Controller, combined with Acumen AI™, manages the BYD batteries according to technical parameters defined in the SEL relays. The system regulates exports within utility limits while dispatching battery power to smooth out energy peaks and maximise economic performance.

A complete solution for complex industrial needs

The system supports critical industrial operations on site, including cold storage, bottling lines, compressors, and winemaking systems. The installation includes 852 kW of rooftop solar across four buildings, linked to three BYD CHESS units with a total capacity of 360 kW / 798 kWh.

A technical partnership for fast deployment

Energy Toolbase streamlined the planning and commissioning phases for BPi, ensuring a timely and compliant installation. “This project demonstrates how intelligent software paired with modular storage can overcome grid constraints while delivering immediate economic value,” said Kevin Mulvey, Vice President of Operations at Energy Toolbase.

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