Our experts are ready to help you with full-system technology solutions for new energy batteries, photovoltaic products and power station O&M. Schedule a free, no-obligation consultation to achieve your sustainable development goals.
Theta International GmbH is a leading company focusing on providing full-system technology solutions and services for leading new energy enterprises.
The company is headquartered in Rüsselsheim, Germany, in the Frankfurt region, just 15 km from Frankfurt Airport, the European aviation hub.
Since its establishment in 2021, the company has been based on the field of new energy, supported by excellent technology, providing after-sales installation, maintenance, software upgrade, repair, battery repair, power station O&M and other services around new energy batteries, photovoltaic and other related products to help customers achieve sustainable development goals.
With innovation, collaboration and customer orientation as its core values, Theta encourages employees to explore new technologies, pursue excellence, keep up with the pace of global new energy development, and are committed to creating long-term business value for customers.

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We conduct in-depth needs analysis with new energy enterprises, understanding their requirements for battery maintenance, photovoltaic system operation, software upgrades and other full-system technology solutions.
Our professional team visits the customer's site to assess the current status of new energy equipment, including batteries, photovoltaic systems and power stations, to develop targeted service plans.
Based on the consultation and site exploration results, we design customized solutions covering after-sales installation, maintenance, battery repair and power station O&M to meet sustainable development goals.
Our technical team executes the tailored solutions, providing professional installation, software upgrades, equipment repair and other on-site services to ensure the stable operation of new energy systems.
We provide long-term power station O&M and real-time monitoring services, track the operation status of new energy equipment, and promptly optimize and maintain to create long-term business value for customers.
Our experts are ready to help you with full-system technology solutions for new energy batteries, photovoltaic products and power station O&M. Schedule a free, no-obligation consultation to achieve your sustainable development goals.
Theta's business continues to expand, having fully established a dedicated client base ranging from global industry leaders to small and medium-sized energy storage integrators. Its lithium battery recycling business has already secured battery reserves and is scheduled to officially commence operations in 2026
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