DolWin epsilon is an offshore converter station that will convert, and, via the grid connection system DolWin5, send wind energy to the onshore electricity grid in Germany. A critical piece of infrastructure, DolWin5, with its centerpiece DolWin epsilon, plays a crucial role in Germany’s ambitions to achieve green energy safety, reduce greenhouse gas emissions and reach climate neutrality by 2045.
KEY INFORMATION
Location: Singapore, Norway, Germany
Date started: 2022
Completion date: ongoing
Client type: energy and natural resources
Main capabilities: controls and performance
Supporting the clean energy journey
TenneT is responsible for delivering the DolWin epsilon converter platform - an essential piece of the wider DolWin5 grid connection system, enabling expansion of the electricity grid and the connection of an offshore wind farm situated 100km off the German coast.
The DolWin epsilon platform is planned to be installed in the North Sea next year, with the DolWin5 grid connection system scheduled to be fully connected and supplying the German grid by 2025.
Delivering a groundbreaking platform
Drawing on our significant knowledge of Asian fabrication yards, and our previous experience working with TenneT on the Hollandse Kust Zuid offshore wind farm grid connection, we were appointed as the independent schedule assurance party in late 2022.
Tasked with ensuring transparency on the project and that the scope of work would be achieved within a tight schedule, we mobilised our team of project control experts in Singapore. The team fast-tracked a schedule and progress assurance review, highlighting potential risks and implementing recommendations. Throughout the project, we provided progress and transparency forecasting updates, early warnings of potential delays, schedule risk analysis and supply-chain monitoring.
Our role on the project continued in Haugesund, Norway, where additional equipment was installed on the platform. Our services included producing a completion dashboard, which used data modelling to help the team visualise the status of the project.
Developing infrastructure sustainably
TenneT is committed to being responsible for the materials used to create assets, as well as ensuring their infrastructure delivers long-term value for society. The platform will deliver 900 MW of zero-carbon electricity, enough to power over one million homes, and will also contribute to Germany’s plans to generate 80 percent of its power from renewable sources by 2030.
The DolWin epsilon platform is also technologically and environmentally significant, using a gravity-based foundation to reduce impact on the marine ecosystem.
