

We shape alternative energy solutions
Engineering expertise for a green and sustainable energy supply
SMA Altenso GmbH focuses on innovative PV-hybrid, off-grid, battery-based, and power-to-gas (hydrogen) projects. Our applications combine renewable energy sources with conventional power systems and, optionally, intelligent battery solutions. Customers benefit from our experience in complex system integration and over 40 years of SMA know-how in power conversion technologies.
As a young, diverse, and dynamic company, we are committed to shaping alternative energy solutions for future generations.


Your partner from project phase till operation and maintenance
We are an experienced international system integrator and EPC company, which has been successfully implementing turnkey BESS projects in Germany. We are significantly increasing our development efforts on international projects in collaboration with selected partners. Our overall offering is complemented by the provision of After Sales and O&M services.
We are the energy expert for various renewable integration
Battery solutions
Projecting, executing, and operating of large-scale battery systems (BESS)Learn moreHydrogen solutions
Plug-and-play power conversion solutions for large-scale hydrogen (power-to-gas) applicationsLearn moreOff-grid solutions
Grid-forming system solutions for weak grids or completely grid-independent renewable integrationLearn more

Shape your future with a career within Altenso
power for energy
We are a young, diverse, and dynamic team with more than 100 employees from over 20 nationalities. Together, we are driving the energy transition by delivering innovative projects worldwide. Our company, a wholly owned subsidiary of SMA Solar Technology AG, is based in Niestetal near Kassel, where hybrid working is a core practice. Check our open positions and apply now.

We project, execute and operate globally
As an experienced international system integrator, we are working tirelessly to accelerate the energy transition. That is on our credit side:
- 1GW
currently in execution
- > 1.5GW
implemented large-scale storage projects
- > 1GW
delivered conversion power in hydrogen projects worldwide
Discover our various project references
Stay up to date
Read the latest news and stay informed about company updates, events, webinars, and trainings worldwide. We look forward to meeting you.
Navigate to the Altenso newsroom.
10 years 10 stories: colleagues share their individual experiences
Dive into Altenso
Learn more about our identity, leadership, and history.

Ten years of renewable energy projects
We invite you to explore our executed projects, current project pipeline, and unique team spirit in the latest SMA Sunny Blog
