30.03.2026 | Story
Seal Requirements for Wind, Solar, and Hydroelectric Power Generation
Seals used in renewable energy generation face enormous demands. They must withstand both extreme environmental conditions and high mechanical stresses. At the same time, plant operators expect service lives of 20 years or more—this applies equally to onshore and offshore wind farms, hydroelectric power plants, and photovoltaic systems.
High-performance Materials used for Wind Energy, Photovoltaics and Hydropower
When it comes to customer-specific seals used across the renewable energy sectors, which requirements apply in terms of tightness, material resistance and service life? Which types of seals are needed and which national and international regulations and standards apply?
This white paper series provides concise, focused information on the basics of sealing technology and explains which materials, seal designs and test methods are essential for the professional, long-term operation of energy systems. We combine informative text with graphic elements and animations which the reader can directly zoom into.
Expert Assessment
Marcel Schreiner
Global Segment Director, Energy at Freudenberg Sealing Technologies
“There are enormous demands on seals in the renewable energy sector: They must withstand extreme environmental conditions and high mechanical loads. At the same time, operators of onshore and offshore wind farms, hydropower plants and large-scale photovoltaic systems expect these elastic all-rounders to deliver service lives of 20 years or more.
Freudenberg Sealing Technologies has driven innovation in the global sealing industry for decades. During this time, we learned that knowledge only grows when it is shared. By working closely with our customers in the early stages of technology and system development, we enable material innovations and sealing concepts that are safe, sustainable and compliant with applicable standards.
With this series of white papers, we provide insights into the requirements placed on sealing solutions and present their various capabilities. We show which materials are used where, give industry experts a voice and provide links to further information. Our goal is to support your professional work. We look forward to receiving your feedback so we can expand this series of white papers in line with your needs.
Setting Sail for the Future
The renewable energy sector thrives on sustainable technical innovation. Experimental curiosity continues to drive pioneering technological development worldwide. It is precisely this inventive spirit that also fuels continuous advancement in materials, manufacturing processes and sealing solutions. This white paper is intended to help you stay up to date on proven best practices. At the same time, it aims to inspire new technological pathways toward the future. We welcome your feedback and look forward to your questions and suggestions!
How Can Seals Support Renewable Energy Production?
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