
Grid & Energy Conversion
Power conversion is crucial for integrating renewable energy sources like wind and solar into the grid, stabilizing power flow, and optimizing energy efficiency across various applications. Our products support the development of transmission networks with solutions dedicated to AC/DC systems and grid stabilization.
Rockfin systems are designed to deliver high performance, safety, and reliability, meeting the stringent demands of the HVDC and PC industries.
Trusted inGrid and Conversion
In the energy industry, Power Conversion Systems (PCS) are essential for high-efficiency energy transmission and distribution, particularly in systems like High-Voltage Direct Current (HVDC) networks.
HVDC transmission is more efficient than traditional AC transmission over long distances, but it requires specialized equipment for converting power between AC and DC at both ends of the grid.
With over three decades of experience, Rockfin has successfully implemented complex cooling system projects for the Power Conversion, Grid Stability, and other sectors. Our comprehensive engineering services include end-to-end services from component selection and 3D model design to specialized calculations, all tailored to our clients' specific needs.
Our products consistently meet industry standards such as EN, ASME and API, as well as the highest requirements set by some of the world's largest customers.
Expertise and Capabilities
We offer a wide range of products and technical solutions used in various energy applications, such as the cooling of high-power generators.
- HVDC systems that use converters that generate a lot of heat during operation. Effective cooling is essential to prevent these devices from overheating, which could lead to damage.
- Cooling helps maintain a stable operating temperature, which increases the reliability of the entire transmission system. This allows you to avoid failures and ensure continuity of energy supply.
- Effective cooling systems minimize the risk of overheating and potential fires, which is crucial to the safety of all energy infrastructure.

Solutions
Latvia-Estonia Interconnector
Estonia – Latvia third power transmission network interconnection is an important future infrastructure project for the Baltic Sea region that will increase the security of power supply in the region, ensure effective operation of the energy market in the Baltics and increase the competitiveness of producers both within the Baltic countries and the Nordic countries.

Green Link, Ireland & Great Britain
Greenlink is a subsea and underground electricity interconnector linking the power markets in Ireland and Great Britain, commissionned in 2024. It is one of Europe’s most important energy infrastructure projects.
Greenlink brings significant benefits on both sides of the Irish Sea for employment, energy security and the integration of low carbon energy sources. For Ireland, it provides a natural link to EU and Nordic electricity markets via Great Britain.

Oil Field, UEA
Chiller systems for the electronics of engines driving gas compressors operating in the demanding environmental conditions of the oil field.

Products




Our commitment to innovation and high-performance systems supports the seamless transition to a cleaner, more resilient energy future.