Erik Strømsø on Scaling BW ESS into a Global Energy Storage Leader
CEO Spotlight Series
Table of Contents
Erik Strømsø is the CEO and Co-Founder of BW ESS, the energy storage platform of BW Group.
With a background in finance and energy infrastructure, Erik has played a pivotal role in steering BW Group into the heart of the global energy transition.
Since founding BW ESS in 2021, he has led its rapid international expansion across the UK, Sweden, Germany, Italy and Australia – building one of the fastest-growing large-scale battery storage platforms in the world.
His ability to combine strategic foresight with disciplined execution has positioned BW ESS as a cornerstone of BW Group’s renewable future.
Innovations & Impact
Under Erik’s leadership, BW ESS has grown from an early-stage venture into a market leader with more than 500 MWh in operation and a pipeline set to exceed 5 GWh by 2027.
His strategy combines deep conviction in the long-term value of energy storage with a logical approach to risk and capital deployment.
Key milestones include the merger with Penso Power in the UK, creating one of Europe’s most experienced energy storage teams; delivery of 100 MW+ battery sites across multiple markets; and establishing a 7 GW+ pipeline spanning
several geographies.
Erik views grid constraints and regulation not as barriers, but as essential guardrails ensuring sustainable sector growth.
Erik Strømsø’s Industry Insight
Erik champions a philosophy built on agility, expertise and accountability.
He believes the most impactful organisations are defined not by size but by talent density, where a small team of exceptional people can achieve extraordinary outcomes.
This belief shapes BW ESS’s culture: lean, entrepreneurial and globally ambitious. By entering markets early, partnering with local experts and leveraging BW Group’s industrial strength, Erik has created a model that scales fast without compromising on quality.
He sees energy storage as the keystone of the clean energy transition, unlocking the reliability renewables need to power a net-zero world.
Executive Integrity’s Perspective
At Executive Integrity, we admire Erik’s rare blend of financial discipline and pioneering leadership in the rapidly evolving energy storage sector.
His work at BW ESS demonstrates how strategic vision, operational excellence and trust in great people can turn a young venture into a global leader in battery storage.
As a thought leader in long-duration storage and market design, Erik is helping define how renewable power and grid stability coexist worldwide.
By pairing deep industry insight with disciplined execution, Erik has positioned BW ESS at the forefront of grid transformation.
His leadership continues to set new benchmarks for how storage, renewables and resilience come together to power a net-zero future.
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