Top 10 Best Renewable Energy Companies in South Holland

South Holland and the Energy Transition

South Holland stands at the heart of the Netherlands' energy transition. For decades, the port of Rotterdam has been Europe's leading hub for oil, gas and chemicals. Today, it is reinventing itself as a centre for offshore wind, green hydrogen, carbon capture and renewable fuels. The North Sea off the South Holland coast hosts large offshore wind farms, while greenhouses in the Westland are exploring geothermal heat and solar power.

The province is also home to world-class maritime and engineering companies whose expertise, developed in the oil and gas sector, is now essential for building renewable energy infrastructure. Combined with research at TU Delft and a supportive policy environment, this makes South Holland one of the most exciting places in Europe for renewable energy.

How We Selected These Companies

We selected companies based on their contribution to renewable energy in South Holland, their innovation, scale, track record and influence on the wider energy transition. The list includes energy producers and suppliers, offshore contractors, equipment manufacturers and innovators.

The Top 10 Renewable Energy Companies in South Holland

1. Eneco

Eneco, headquartered in Rotterdam, is one of the Netherlands' leading sustainable energy companies. It invests in offshore and onshore wind, solar parks and sustainable heat networks, and supplies green energy to households and businesses. Eneco's ambition to become climate neutral makes it a key player in the regional transition.

2. Greenchoice

Greenchoice, based in Rotterdam, is a sustainable energy supplier known for its focus on locally generated green power. It works closely with energy cooperatives and invests in wind and solar projects, helping communities take ownership of their energy production.

3. Van Oord

Van Oord, headquartered in Rotterdam, is a global marine contractor and a leader in offshore wind installation. Its specialised vessels install foundations, turbines and cables for wind farms around the world, and the company is investing in new vessels designed to reduce emissions.

4. Boskalis

Boskalis, based in Papendrecht, is a leading dredging and offshore services company. It plays an important role in offshore wind through cable laying, foundation installation and seabed preparation, supporting the development of wind farms in the North Sea.

5. Heerema Marine Contractors

Heerema, headquartered in Leiden, operates some of the world's largest crane vessels. Its heavy-lift capabilities, originally developed for oil and gas platforms, are now used to install large offshore wind foundations and substations.

6. Huisman

Huisman, based in Schiedam, designs and builds heavy construction equipment, including cranes and specialised tools for offshore wind installation. Its innovations help contractors install ever-larger turbines safely and efficiently.

7. Stedin

Stedin is the grid operator for large parts of South Holland, including Rotterdam and The Hague. It plays a crucial role in integrating renewable energy into the grid, expanding capacity and developing smart solutions to manage grid congestion.

8. Ampelmann

Ampelmann, based in Delft, developed motion-compensated gangways that allow safe transfer of personnel to offshore structures. Its technology is widely used in offshore wind farm construction and maintenance.

9. SolarDuck

SolarDuck is a pioneering company developing offshore floating solar platforms. Its technology aims to combine solar power with offshore wind farms, making better use of marine space and contributing to future energy systems.

10. Port of Rotterdam Authority

The Port of Rotterdam Authority is driving the development of the port into a hydrogen hub, facilitating projects for green hydrogen production, import terminals and pipelines. Its role as a facilitator and investor makes it central to the region's energy future.

Key Renewable Energy Trends

Offshore wind continues to expand, with new wind farms planned off the Dutch coast. Green hydrogen is emerging as a key solution for decarbonising industry, with large electrolysers under development in the Rotterdam port. Grid congestion is a major challenge, requiring investments in infrastructure and flexibility solutions. Carbon capture and storage projects, such as Porthos, are also contributing to emissions reduction. In the Westland, geothermal energy and heat networks are transforming how greenhouses are heated.

Benefits of Working with Regional Renewable Energy Companies

Businesses and municipalities that partner with local renewable energy companies benefit from expertise tailored to regional conditions, such as grid constraints, planning procedures and offshore conditions. Local partners also contribute to regional employment and economic development, strengthening the province's position in the global energy transition.

Choosing a Renewable Energy Partner

Define your goals, whether that is sourcing green electricity, installing solar panels, investing in wind projects or decarbonising industrial processes. Evaluate partners on their track record, technical expertise, financial strength and commitment to sustainability. For businesses, power purchase agreements with renewable producers can offer both price stability and emissions reduction.

Conclusion

South Holland is a driving force in Europe's energy transition. From energy companies like Eneco and Greenchoice to maritime giants such as Van Oord, Boskalis and Heerema, and innovators like Ampelmann and SolarDuck, these companies are building a cleaner, more sustainable energy future.