Leading the energy transition

Wärtsilä leads the transition towards a 100% renewable energy future. We help our customers in decarbonisation by developing market-leading technologies. These cover future-fuel enabled balancing power plants, hybrid solutions, energy storage and optimisation technology, including the GEMS energy management platform. Wärtsilä Energy’s lifecycle services are designed to increase efficiency, promote reliability and guarantee operational performance.

Our track record comprises 76 GW of power plant capacity and more than 110 energy storage systems delivered to 180 countries around the world.



Towards a 100% renewable energy future

We are in the midst of the transition towards a 100% renewable energy future, a world where homes and businesses are powered in a sustainable way. No one person or company alone can change the world overnight. No single, brilliant move will complete the game. It’s something we all need to do together.

Our proudest numbers

76 GW

of power plant capacity installed.


energy storage installations delivered.

99.1 %

annual reliability for power plants operated by Wärtsilä.

Power system modelling and optimisation

Energy Insights

Wärtsilä Insights - US Inflations Reduction act 2022
14 NOV 2022 Article
4 min read

The US Inflation Reduction Act of 2022 has set a new benchmark for clean energy deployment

The Inflation Reduction Act of 2022 is the most...
Wärtsilä a key partner in evolution of the Maldives
7 NOV 2022 Article
4 min read

Wärtsilä: a key partner in the development of the Maldives

From remote support to personal interaction, Wärtsilä’s people have left an indelible...
Wärtsilä Modelling Southeast asia - insights article
31 OCT 2022 Article
3 min read

Rethinking Energy in Southeast Asia

Can countries grow and decarbonise simultaneously? New modelling shows how Southeast Asia can lead the way as...

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