Polytech
Since 1994, Polytech has led the industry in Blade Performance Upgrades. Our OEM-compliant solutions are engineered to maximize the efficiency and longevity of your wind turbine blades.
Our performance upgrades:
Serrations
Trailing-edge serrations reduce aerodynamic noise, so turbines can meet permitting requirements without heavy curtailment. Polytech serrations lower sound emissions while ensuring durable bonding, controlled tolerances, and longterm interface reliability between serration and blade, supporting higher AEP on noise-constrained sites.
T-spoilers
T-Spoilers are passive load-management add-ons that reduce structural loads with minimal impact on energy production. Installed along selected blade sections, they help lower fatigue and extreme loads on blades, hub, and tower, supporting lifetime extension and more demanding operating conditions without active control systems.
Balancing chambers
Internal balancing chambers enable precise mass adjustment to reduce blade and drivetrain vibrations. Based on a robust, repeatable polyurethane process, they help minimize imbalance, lower fatigue loads on critical components, and improve turbine availability with a compact, integrated solution.
Blade root covers
Blade root covers protect the critical blade-hub joint from moisture, debris, and environmental damage, both during operation and handling. Polytech root covers shield fasteners and bond lines during transport, installation, and service, simplifying maintenance and helping preserve structural integrity over the blade’s service life.
The Benefits
Performance optimization
Materials and design‑optimized components improve airflow and load distribution, enhancing overall turbine efficiency and supporting increased annual energy production, with BPUs engineered to integrate seamlessly and validate structural performance improvements.
Cost efficiency
Rigorously tested, durable materials and engineered, build‑to‑print solutions reduce the need for frequent replacements, limit unplanned repairs, extend maintenance intervals, and lower total lifecycle and ownership costs over time.
Risk mitigation & collaborative development
Targeted protection against environmental wear, lightning strikes, vibration and mechanical stress is designed to minimize damage and unscheduled downtime, ensuring long‑term operational reliability and reduced service interventions.
Global expertise
Trusted by leading OEMs and asset owners worldwide, Polytech delivers collaborative OEM‑spec development, certified material testing, proven blade solutions and timely support for both onshore and offshore turbine sites.
A dedicated wind-focused commitment
Our exclusive focus on wind energy drives continuous investment in research and development. Polytech's team includes highly skilled specialists, including multiple PhDs, and our test labs are certified according to international standards.
We hold multiple patents and continuously advance materials and blade designs that enhance durability and provide advanced protection from lightning and harsh environmental conditions.
Contact us today to discuss how we can collaborate on tailored solutions to meet your specific blade performance needs.
See the solutions in motion below:
Contact us
Get in touch with our Sales team directly or contact our Business Development Manager Dennis Børsting.
For aftermarket visit HERE.
Have questions about blade performance upgrades?
Book a short 15-minute session with our team and get personalized guidance on BPU solutions for you wind turbines.
