On 5 July, Gren celebrated five years of growth and development helping communities, cities and industrial customers build a cleaner, more resilient energy future.

Built on district heating, we’ve grown into a Northern European energy company delivering local energy solutions across the Baltics and the UK. Along the way, we’ve expanded our operations, invested in essential infrastructure and, most importantly, continued to support the people and places that rely on us every day.

District heating as a foundation for local energy systems

District heating has always been at the heart of our business, and it remains the foundation on which we continue to build new energy solutions. These systems are an established and efficient part of the energy infrastructure in the Baltics, developed over decades and continuously modernised.

They provide reliable heat to households, public buildings and industries, while also serving as a platform for integrating new energy solutions, including renewable fuels, waste heat, electrification and flexible technologies.

Reliable, affordable and lower-carbon energy

We continue to develop our production portfolio towards lower-carbon energy sources, while maintaining reliability and affordability.

Currently, 74% of fuel use is based on biomass and 22% on waste-derived fuels, with fossil fuels accounting for 4%. Compared to the baseline, CO₂ emissions have decreased by 24% at Group level and by 29% across Baltic operations.

This transition reflects a long-term approach where sustainability is integrated into investments, operations and day-to-day decision-making.

Operational Excellence as a driver of performance

Operational Excellence is a core part of how we manage, develop and improve our operations across all markets.

The approach focuses on continuously strengthening reliability, efficiency and safety in both production and network operations. It combines technical expertise, local knowledge and practical experience to optimise existing assets while supporting the development of new solutions.

This way of working is visible across the organisation,  from everyday operational improvements to more advanced solutions such as production optimisation, integration of new technologies and the use of data-driven tools in in our production facilities.

Operational Excellence is not only about processes or technology. It reflects a consistent way of working across teams and countries, where experience is shared, improvements are implemented in practice and performance is strengthened over time.

People and expertise as a core strength

Our development is supported by our people.

Over five years, our team has grown from 270 to more than 500 employees, bringing together technical expertise, local market knowledge and operational experience.

This combination enables us to operate complex energy systems, transfer knowledge across markets and expand into new geographies, including the UK.

Employee engagement remains strong, with an engagement index of 81 in 2025. Safety continues to be a key priority, reflected in a Group Safety Index of 98.65%.

Looking ahead

Five years is an important milestone, but for us, it is only the beginning.

We’re immensely proud of how we have developed from a regional energy company into a broader Northern European platform built on essential infrastructure and long-term customer relationships.

As Europe’s energy transition continues, we remain focused on investing in local infrastructure, strengthening communities and delivering positively different energy for the long-term.