Join us. Change the world.

At sonnen, we believe in clean affordable energy for everyone. We are passionate and driven to have a positive impact on our environment, and on the people within it. This includes our team, customers and communities.

We are sonnenWarriors who are delivering energy with impact!

Our Values:


We understand that “The Whole is Greater than the Sum of its Parts” We are open to new ideas and create an Inclusive, safe environment where it’s ok to be yourself, ask questions and experiment in finding new solutions. We value diversity in experiences. Together we are stronger!

Think & Learn

We are Clear Thinkers, and make Learning a Habit. We apply critical thinking and common sense to overcome challenges and seek solutions. We ask: will this deliver value to customers, partners and stakeholders?

We learn from our experiences together, we focus our learnings on what is shaping our environment (internally & externally). From that learning we set bold goals and implement immediately to solidify the benefits. 

Customer Focused

We aim to make a positive impact on our customer and our environment. We seek to understand what our customers need and delight them with service and innovative solutions that exceed expectations. We deliver!

Winning Attitude

We stay passionate for success and have fun winning. We uncover opportunities which others may have overlooked and make them our own.  We embrace winning with integrity and love what we do.

Inventive & Audacious

We are brave enough to set bold goals & thrive on innovating new ways to approach common or uncommon problems. We thrive on a challenge and tackle big goals without hesitation.  We have the courage to take a risk, try out new ideas and are not afraid to fail in the name of progress.

Do you want to join our team of sonnenWarriors?

What our employees say:


German designed - Australian made.

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As a world leader in smart residential solar storage solutions, Germany’s sonnen established a battery manufacturing facility at the former Holden site in Elizabeth to produce batteries in November 2018.

This facility has the capacity to produce 10,000 batteries a year to meet demand from Australian households seeking to substantially reduce their power bills, and for export to Asia Pacific markets. The advanced manufacturing facility is generating hundreds of direct and indirect jobs in the short term, and has provided employment opportunities for many former Holden workers. 

Beyond this new facility we have worked closely with TAFE SA to run a training accreditation program for solar battery installers.

sonnen Founder and CEO Christoph Ostermann said, “We are excited at the prospect of manufacturing in South Australia for the Australian and export markets and to participating in making Australia the number one market globally for energy storage systems.”