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Energy Storage & Optimisation

Optimising energy for a smarter, safer & more reliable grid.


Global storage fleet (GWh)


GEMS deployments



Our technology

GEMS Digital Energy Platform

Wärtsilä’s mature GEMS Digital Energy Platform is a smart software platform that monitors, controls and optimises energy assets on both site and portfolio levels. GEMS optimises system performance while reducing costs. GEMS also dynamically adapts to changes in the market conditions, future-proofing your energy assets.


GridSolv Quantum

Wärtsilä’s GridSolv Quantum is a fully integrated energy storage solution. Its modular and scalable design enables ease of deployment and sustainable energy optimisation. The solution supports the integration of storage into electricity grids and the increase of renewables, ensuring the lowest lifecycle costs and the smallest system footprint.

Purpose-built end-to-end grid management

Wärtsilä Energy storage



We offer unrivaled solutions to the most pressing energy challenges, including the integration of more renewables.

Wärtsilä Energy Storage in brief

Towards a 100% renewable energy future

Wärtsilä Energy Storage & Optimisation (ES&O) is a leader in game-changing products and technologies to the global power industry. We’re integrating end-to-end grid solutions that build a resilient, intelligent and flexible energy infrastructure.

Total flexibility

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

Optimise your energy assets.

GEMS Product Suite

Optimise your energy, future-proof your assets, maximise revenue streams

GEMS Power Plant Controller

The Power Plant Controller conducts intelligent power control and energy management operations at power plants of all sizes.

GEMS Fleet Director

Hosted in the cloud, the Fleet Director provides centralised, real-time visibility into a global fleet of power plants.

GEMS Grid Controller

The Grid Controller conducts intelligent grid control and optimised power management for microgrids of all sizes.

GEMS IntelliBidder

Cloud-hosted product that provides electricity market and renewable forecasting, schedule commitment, and bid optimisation functions.

Turnkey energy solutions supporting and accelerating the transition towards 100% renewables.

We're unlocking paths to decarbonisation

We offer unrivaled solutions to the most pressing energy challenges, including the integration of more renewables.

Wärtsilä Energy storage path to decarbonisation

Energy storage insights

Wärtsilä Energy Storage solar fields.
14 APR 2023 Article
4 min read

The case for DC over AC coupling

A solar-plus-storage project with DC coupling can have major economic benefits.
15 DEC 2022 Article
6 min read

Future-proof solutions for decarbonising power generation in mining operations

The mining industry is looking for ways to improve the carbon...
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 Energy Storage. Let's connect.