Building on the legacy of Greensmith Energy, Wärtsilä Energy Storage & Optimisation is the leading global energy storage optimiser

Towards a 100% renewable energy future

Wärtsilä Energy Storage & Optimisation is leading the introduction of disruptive, game-changing products and technologies to the global power industry. We are integrating energy solutions that build a resilient, intelligent and flexible energy infrastructure – unlocking the way to an optimised sustainable future.

By integrating renewables, energy management technology and storage with traditional energy resources, we reinvent clean energy production from the largest and most complex grids to the most remote and essential islanded grids.

Infographic of Wärtsilä sophisticated-software

Smart technology

Hybrid energy with sophisticated software

Spanning grid-scale, hybrid and island microgrid solutions, an intelligent software is at the heart of our GEMS platform, enabling customers to tap into the full potential of solar, wind and hydro resources. GEMS software enables intelligent energy applications that deliver a true “renewables as baseload” solution that is not only climate-friendly, increases resilience and efficiencies, but can be supported by an existing grid infrastructure.

Image of renewable power sources

Total flexibility

Leading global energy storage optimiser

Combined with the deep global resources and expertise of Wärtsilä, we seamlessly integrate traditional and renewable power sources, provide visibility into critical energy systems, optimise multiple generation assets, all while delivering unsurpassed reliability, flexibility and safety to energy operators around the world.

Close image of a solar panel

A hybrid future realised

Expertise with proven track record

We reach into an expanding global market for programmable energy storage. Wärtsilä is the world’s largest energy integration company with operations in over 200 locations in more than 80 countries around the world. Together, we offer unrivaled solutions to the most pressing energy challenges including the integration of more renewables.


Artificial Intelligence for 100% Renewable Energy

In the race towards 100% renewable energy, islands will show us the way, and machine learning will play a key role. Learn more about how AI is supporting energy optimisation on island grids.