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  • Uncovering potential

  • Seizing opportunities

  • Developing sustainable energy solutions

Empowering your clean energy future, together.

Uncovering potential, seizing opportunities and developing sustainable energy solutions: For sonnen, motivation and innovation are synonymous and rank first on the list.

In 2010, sonnen’s journey began in a small town in Southern Germany. Driven by the desire to create a clean and affordable energy future for everyone, founders Christoph Ostermann and Torsten Stiefenhofer developed the first sonnenBatterie. At a time when solar energy was only fed into the grid, they created a system that allows households to store and consume their self-generated energy, day and night. Today, sonnen are a global leader in energy storage solutions with offices in Germany, Italy, Great Britain, the United States, and Australia. They have made it their purpose to challenge the existing energy system, so that customers and partners worldwide can enjoy a clean, reliable and affordable energy future through the smart solutions offered. From Greenland to New Zealand, solar power is generated, shared and consumed with sonnen products.

What began as a battery designed to solve the problem of excess solar generation has grown into a sophisticated ecosystem of energy generation, storage and distribution that helps solve today’s complex energy and environmental challenges.  Sonnen solutions are customised to the needs of each market. Built with German engineering combined with local ingenuity and made in their manufacturing facilities in Australia, the USA, and Germany, sonnen products are shipped globally.

Every day, sonnen work on the intelligent interconnection of their products and services to deliver proven results in various markets and have set a new benchmark in transforming the existing energy system from purely centralized power plants into decentralized, networked clean energy virtual power plants based on sonnen revolutionary sonnenVPP software.




Mictronix Power Systems of Sydney, Australia was established by Anthony Micallef in 2019. Anthony is an electrician with accreditation in grid connected solar systems, grid connected batteries and stand-alone power systems. As an installer of off-grid systems he has an insider’s understanding of the market, products and industry regulations.

MPS began manufacturing simple and clever products to improve quality, exceed regulations and reduce installation times.

Anthony, interested in batteries since he was a kid, was inspired to build his first lithium prototype in 2009.

MPS wanted better quality and performance from a self-managed lithium battery, so they started building their own lithium batteries. They’ve installed them into their customer systems since 2019.

With constant improvement, their Australian made lithium battery evolved into the MPS 48-5.1 and the MPS 24-2.5. They are specifically designed to deliver superior performance and reliability in harsh Australian conditions. These LFP rack mount battery modules utilize the latest cell technology and are being installed in residential and commercial systems.

Additionally, you can combine the batteries and power control equipment with a cabinet kit or even a total storage solution. The modular Defender Series cabinet, which is pre-fitted and wired for Victron Energy and MPS products will meet Australian standards as an indoor or outdoor installation.