Operations and Maintenance
With its innovative wind solutions,TUİZ Wind reshapes the future
TUİZ Wind, which was founded in 2021 in order to provide services for installation, maintenance and service projects, which are essential parts of the wind energy industry, provides innovative wind solutions and reshapes the future of the industry with the experience of its founders and employees in the energy industry for many years. With its experience in many installation, maintenance and service projects in different locations around the world, TUİZ has made a considerable contribution to the industry and keeps a close eye on new technologies to ensure a higher standard of service that is open to development and to contribute to the advancement of the industry. The company aims to become a pioneer in the global energy industry by reshaping the wind energy future, and to this end, it offers solutions with cutting-edge technology and engineering. With customer satisfaction and trust at the core of its solutions, the references of TUIZ include industry-leading organizations like Borusan Logistics, Enercon, SOWI, Vestas, Sarılar Group, General Electric, Kalyon, Nordex, Siemens Gamesa, Goldwind, Senvion and LEITWIND.
Specialist TUIZ solutions
Installation:
TUİZ, which provides installation services with a dedicated team with more than 15 years of experience in Enercon, Vestas, Siemens, GE and Nordex wind turbines, carries out the installation of all types and models of wind turbines and undertakes project management from scratch.
Service maintenance:
In order to identify damages or problems in the early stages and reduce the time for repair and downtime to a bare minimum, it is necessary to conduct repeated inspections and maintenance of all components of a wind turbine. In this area, TUİZ provides a premium level of service and carries out all the maintenance in line with the manufacturer’s maintenance guidelines.
Network connection service:
TUİZ, ensures that all operations such as in-turbine cable connections, cable installation, panel connections, transformer connections, and other operations are conducted securely and in a high-quality manner with its specialized team of technical experts.
Main Component Replacement:
The turbines’ key parts such as the generator, gearbox, rotor blade, powertrain, yaw/pitch system, transformer, and top tower parts must be upgraded during their lifetime. TUİZ’s highly experienced upgrade team quickly and efficiently performs this demanding task.
Technical support:
During the project duration of the wind farm, the company provides support to its customers through its supervisors.
Disposal:
The specialized TUİZ technical team also provides solutions for the recycling of the blades.
Port and site operations:
TUİZ conducts loading/unloading activities on project sites, production plants and port plants in a safe manner with the sling and pointer training certificates of the technical crew.
Turbine supervision:
The inspection of turbines is performed through unplanned interim checks, observations before and after maintenance, and reports are shared with clients.
Service elevator installation:
The specialized TUİZ technical team also offers installation services for service elevators and conducts annual inspections.
Eawind, one of the first training providers to offer GWO blade repair training in Türkiye, has announced the successful completion of its periodic audit process.
According to the company’s statement, the training program, delivered under Global Wind Organisation (GWO) accreditation, aims to provide participants with a globally recognized qualification.
The company also expressed its appreciation to Dr. Duygu Hakan and the Bureau Veritas team for their professional approach and contributions throughout the audit process.
We4Ce, a Netherlands-based rotor blade engineering company, has signed a Memorandum of Understanding (MOU) with Thailand-based renewable energy developer CEWA Plus to scale on-site blade root bushing remanufacturing across Asia.
The agreement integrates We4Ce’s proprietary “Re-FIT” methodology and CNC Onsite’s mobile machining solutions with CEWA Plus’s on-site execution and quality control processes, forming a regional service network.
Serial orders are scheduled to begin in April 2026, with operations expanding across 12 countries including India, Sri Lanka, Thailand, and Vietnam.
A new approach to blade root maintenance
Blade root bushings are critical structural components connecting the blade root to the turbine hub. In certain blade constructions, material shrinkage or uneven distribution may lead to microcracks and reduced bonding strength over time.
The Re-FIT methodology enables precise removal and replacement of the damaged interface layer, restoring a factory-standard mechanical bond.
Compared to conventional repair methods involving blade transport or replacement, the on-site solution offers:
- Up to 60% cost reduction
- Lower CO₂ emissions
- Reduced downtime
New monitoring system: GapMaster Intelligence
The MOU also includes the integration of “GapMaster Intelligence,” a monitoring system developed by CEWA Plus.
Using high-precision laser scanning, the system continuously monitors the bond between the blade root and the bushing. Any detected gap triggers an automated alert via SCADA, enabling a shift toward proactive, condition-based maintenance.
Regional expansion and training
Technical teams from Asia will undergo training in Denmark and the Netherlands, covering machining operations, the Re-FIT process, and structural restoration procedures.
Following initial deployment in Thailand, the partners are also targeting expansion into Brazil and the United States, while developing solutions for offshore wind applications.
GE Vernova receives 1.1 GW of U.S. wind turbine repower orders, extending asset lifetimes, increasing output, and supporting domestic manufacturing.
GE Vernova’s Onshore Wind business has secured orders in 2025 to repower 1.1 gigawatts (GW) of onshore wind capacity in the United States. The projects are expected to reach commercial operation between 2026 and 2027.
The repowering initiatives will utilize nacelles and drivetrains manufactured at the company’s Pensacola, Florida facility, reinforcing domestic manufacturing activity and supply chain localization.
Extending Asset Life and Increasing Output
Repowering enables wind farm operators to upgrade existing assets by replacing key components such as nacelles and drivetrain systems, without developing entirely new sites. This approach increases annual energy production, improves reliability, and reduces long-term operations and maintenance costs.
As onshore wind fleets mature, repowering is emerging as a cost-effective strategy to extract additional value from established sites while avoiding permitting complexities and grid connection challenges.
A Growing Installed Base
GE Vernova’s Onshore Wind segment supports an installed base of approximately 59,000 turbines worldwide, representing nearly 120 GW of capacity. The company continues to expand its focus on lifecycle services and modernization solutions as part of its broader energy transition strategy.
Repowering as a Strategic Trend
Globally, repowering is becoming an increasingly important component of wind market development. By upgrading high-performing sites with modern equipment, operators can enhance output without expanding land use, while improving project economics and asset performance.
The 1.1 GW of repower orders secured in 2025 signals sustained demand for modernization solutions in the U.S. market and highlights the growing role of lifecycle optimization in mature wind fleets.
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