Wind turbine repair for:

Endurance Wind Turbine Repair
Enertech Wind Turbine Repair
Fuhrlaender Wind Turbine Repair
Gamesa Wind Turbine Repair
GE Wind Turbine Repair
Micon Wind Turbine Repair
Mitsubishi Wind Turbine Repair
Repower Wind Turbine Repair
Siemens Wind Turbine Repair
Suzlon Wind Turbine Repair
Vestas Wind Turbine Repair
Zond Wind Turbine Repair

Wind generator repair for:

ABB Wind Generator Repair
Canteray Wind Generator Repair
Elin Wind Generator Repair
Hitachi Wind Generator Repair
Leroy Somer Wind Generator Repair
Loher Wind Generator Repair
TMA Wind Generator Repair
VEM Wind Generator Repair
Weier Wind Generator Repair
Winergy Wind Generator Repair

Wind Turbine Repair / Wind Generator Repair

IPS offers Wind turbine and generator repair coast to coast, giving wind turbine owners and operators single-source up-tower services, in-shop repairs and product sales. IPS Litchfield leads and manages all IPS wind turbine repair service initiatives, ensuring up-tower safety, certifying repair shops, and providing dedicated repair services, field services and products for wind power customers across North America.

Everything we do, including wind generator repair, generator unit exchange, and up-tower repair, is backed by one standard for safety, quality, repair procedures and commercial terms. Do business with one IPS regional service center and you’ve done business with them all. The efficiency and added value of our single-source wind turbine service capabilities make owning or managing wind turbines and generators more predictable and more profitable.

To discuss our in-shop and up-tower services for your wind turbine assets, talk to your regional IPS sales representative or contact us.



In-shop wind generator repair

Complete rewind of wind generators 1.65 MW - 690 V - 1,200 RPM
Complete rewind of wind turbine generators
(1.65 MW - 690 V - 1,200 RPM)

Random-wound coils up to 2 meters
Random-wound stator coils up to 2 meters

Main shaft repair
Wind turbine main shaft repair

Experienced up-tower field service teams
Experienced up-tower field service teams

Bearing changeout
Wind generator bearing changeout

Wind turbine generator exchange units
Wind generator exchange units

Wind turbine spare parts
Wind turbine spare parts

IPS continues to define and document best practices and OEM repair standards for the wind industry, drawing on long-established relationships with wind power customers and industry OEMs.

Electrical repair

  • Authorized OEM repair
  • Wind generators up to 3+ MW
  • Electric Motors
    • Pitch and yaw
    • Cooling fans
    • Hydraulic pumps
  • Main breakers
  • Electronic boards

Mechanical repair

  • Authorized OEM repair
  • Wind gearboxes
  • Wind turbine main shafts
  • Slip rings
  • Heat exchangers
  • Generator and gearbox housings

Stator coil manufacturing

  • Random-wound coils up to 2 meters
  • Form-wound coils up to 15 kV

Premium VPI insulation systems

  • MegaSeal™ HV (up to 15 kV)
  • EnduraSeal® MV (up to 6.9 kV)

In-house machining capabilities

  • CNC precision-machined parts
  • 145-ton lifting capacity
  • Lathe: to 76” x 564”
  • Vertical, horizontal and planer milling
  • Pressing up to 600 tons

Dedicated truck fleet for coast-to-coast delivery


Up-tower wind turbine repair

IPS leads the industry in up-tower repair services. We’ve done several hundred bearing and slip ring replacements, and offer a full range of predictive and preventive maintenance services.

General wind power services and capabilities

  • Wind generator and gearbox repair
  • Bearing changeouts and upgrades
  • Slip ring changeouts, upgrades & turning
  • Grounding system upgrades
  • Rotor lead changeouts
  • Housing and component rebuilds
  • Brush holder upgrades
  • Wind turbine and blade cleaning – via rope access
  • Blade inspection–via rope access
  • General labor and maintenance
  • Scheduled and emergency repair and maintenance

Predictive and preventive maintenance

  • Laser alignment
  • Vibration and Modal Analysis
  • Thermography
  • Bore Scoping

Diagnostic testing

  • Baker Surge Test
  • Motor Circuit Evaluation (MCE)
  • Doble®
  • Partial Discharge

Pre end-of-warranty wind turbine inspections
to detect and address:

  • Imbalance
  • Misalignment
  • Mechanical looseness
  • Rotor eccentricity
  • Shaft bends
  • Lubrication condition
  • Bearings
  • Gears and gearbox problems
  • Generator faults
  • Rubbing
  • Natural frequency and resonance

Wind turbine parts sales

IPS offers industry-leading product sales as part of our single-source capabilities. Learn more about our wind parts sales.

  • Wind generator and gearbox components
  • Bearings — steel, Insocoat and ceramic
  • Stator coils up to 15 kV
  • Motors — pitch yaw and cooling pumps
  • Generator couplings
  • Pitch control battery packs
  • Encoders — hollow and solid shaft
  • Power slip rings
  • Pitch control slip rings
  • Custom slip rings
  • Shaft grounding rings
  • Auto lubrication systems
  • Grease and oil
  • Brushes and brush holders