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Seahawk Energy Storage Project

A clean, reliable energy resource in Santa Cruz County

Enhances grid reliability  

Creates short- and long-term job opportunities 

Stabilizes energy costs for Californians

Supports clean, renewable energy 

Invests in the local economy 

Strengthens our local electricity grid 

Safety is Priority #1

Safety is our top priority, and we are committed to protecting the employees, communities, and environment in and around our project sites. Invenergy takes careful measures to mitigate risk and has specific protocols in place to manage and monitor battery systems.  The Seahawk Energy Storage project features safety measures that follow the very latest California guidelines and legislation. In contrast with older systems that have experienced significant safety issues (such as Moss Landing), the Seahawk project will include new purpose-built containerized battery units that meet all national fire safety standards and testing. Our storage sites comply with stringent National Fire Protection Association (NFPA) standards, and employ advanced detection systems, 24/7 monitoring and annual safety trainings with local first responders.  We design our sites to ensure our battery containers have ample space around them, consistent with the most updated California Fire Codes for energy storage systems, to mitigate outside exposure in the rare case of an incident. Invenergy’s batteries use lithium iron phosphate (LFP) chemistry, the safest option for energy storage. The most present elements are copper, aluminum, graphite, a plastic separator, and liquid electrolyte ā€œjellyā€ for moving the charges in the battery.       The project will also follow the provisions of Senate Bill 38, authored by Senator John Laird, which establishes protocols to protect the health and well-being of workers and surrounding communities. This includes the development of an emergency response plan, to be created in close coordination with local emergency response agencies and submitted to local government, as well as a notification and communication procedure. The project is being planned in collaboration with the Pajaro Valley Fire Protection District and CALFIRE, with input from other nearby fire protection agencies, to ensure it meets or exceeds all relevant fire regulations.

The Seahawk Energy Storage Project is a proposed 200-megawatt energy storage project located at 90 Minto Road, Watsonville, near College Lake in the Pajaro Valley of Santa Cruz County, California.  

 

Invenergy acquired the Seahawk project from New Leaf Energy in Summer 2026. Invenergy and New Leaf Energy will continue working together over the coming months to ensure a transparent, community-focused transition. 

  

Invenergy utilizes the safest, most advanced battery technology to store and deploy energy when it’s needed most. Energy storage creates a more flexible and reliable power grid, while helping meet California’s energy goals and addressing the energy affordability crisis across the state.  

 

This site will store energy in batteries for use during peak energy demand periods, helping prevent rolling blackouts and the use of “public safety power shutoffs.” In addition, the stored energy supports disaster preparedness, response and recovery. 

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The proposed project’s batteries will utilize safe and reliable lithium-ion batteries that feature lithium phosphate chemistry, housed in outdoor rated, non-walk-in, fireproof containers. 

  

The proposed project is located directly adjacent to PG&E’s existing Green Valley Substation. 

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