Solar

California selects Fluence to deploy an 800 MWh battery system paired with solar generation

By Prince Sibanda · July 27, 2026 · 6:48 AM · 4 min read
California and Fluence 800 MWh solar

California is viewed as the hub for solar energy development in the United States. As such, officials based in the state have the privilege of appointing the companies that can spearhead projects and advance its overall landscape. Importantly, the United States is committed to diversifying the energy portfolio of every state, meaning there is an ongoing effort to facilitate a wide range of initiatives everywhere. If the nation is to achieve its clean energy targets within the specified timelines, then there needs to be an understanding between developers and state officials. On that note, California selected Fluence to deploy an 800 MWh battery system paired with solar generation.

Analyzing how Fluence fits into California’s successful solar sector

The United States is in a privileged position because of the abundance of entities that it possesses, which are all able to spearhead and execute projects. As such, if a company is appointed, this is a huge achievement considering how competitive the energy sector is at present.

Fluence is a global market leader that has made a name for itself for delivering intelligent energy storage and optimization software for renewables and storage. The entity’s solutions and operational services enable it to establish stronger grid projects, such as powering the next generation of AI-driven data centers.

According to reports, the company currently has gigawatts of projects that are either deployed, contracted, or under management across almost 50 markets. There are massive hopes that Fluence will play a massive role in the generation of energy in the next generation.

Maintaining momentum: California selects Fluence to deploy an 800 MWh battery system

The energy industry was left captivated after Fluence announced its collaboration with Avantus for the provision of its high-quality Smartstack™ energy storage solution and turnkey Engineering, Procurement, and Construction (EPC) services for the Rexford 2 project. Rexford 2 is located in Tulare County and is set to include a 200 MW / 800 MWh battery energy storage system combined with a solar facility.

In previous years, some developers were hesitant to invest millions of dollars in solar energy projects, considering that they do not bring guaranteed results. However, the integration of technological innovation and scientific expertise allowed developers to combine solar energy generation and storage services.

The main focus for the U.S. is to ensure consistent energy availability if consistent energy generation is not available because of intermittency issues. When operational, the project is expected to supply firm, on-demand capacity to the California grid, which is sufficient to power 84,000 Southern California homes with clean, reliable energy.

In order to execute the project, Fluence will deploy its 4-hour duration Smartstack system that will use the company’s network of partner manufacturing facilities in a variety of states such as Utah, South Carolina, and Texas. This is where components such as battery cells, enclosures, modules, and thermal management systems will be produced.

Understanding the significance of the projects for Avantus and Fluence

When companies decide to collaborate, they intend to complement each other effectively to guarantee the successful execution of a project. John Zahurancik, Chief Customer Success Officer at Fluence, stated the following:

“Delivering a project of this magnitude requires deep expertise to help ensure long-term performance. By combining our end-to-end EPC capabilities with our advanced, U.S.-built Smartstack solution, we are streamlining deployment for Avantus. We are proud to leverage our proven track record.”

Fluence and Avantus are successfully creating a blueprint that many other companies and countries can adopt during the clean energy transition.

The overall importance of Rexford 2 during the clean energy transition

There is a huge amount of excitement for Rexford 2, especially among the general population, since it was revealed that the project will create more than 500 union jobs at peak construction. Additionally, the project will generate hundreds of millions of dollars in local tax revenue for Tulare County.

The construction process is set to start in 2027. The target for it reaching commercial operation is in late 2028 which means people will need to be patient.

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Staff Writer

Prince is a versatile writer focused on energy, automotive, environmental, and general news topics. He makes complex technical and policy issues clear, engaging, and accessible for a broad audience.

Prince Sibanda
Prince Sibanda

Prince is a versatile writer focused on energy, automotive, environmental, and general news topics. He makes complex technical and policy issues clear, engaging, and accessible for a broad audience.

Prince Writer
Prince Sibanda

Prince is a versatile writer focused on energy, automotive, environmental, and general news topics. He makes complex technical and policy issues clear, engaging, and accessible for a broad audience.