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Quick rotor removal and replacement

Save time and money

With GE’s generator rotor exchange, you’ll see removal and replacement in only 7 – 10 days, which is up to 30 days faster than an in-shop rotor rewind. On average, each day of reduced downtime translates to savings* of $30,000 to $130,000, depending on the time of the year the outage is performed.

*Average savings based on 100 to 175 MW units

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Plan ahead

Reduce uncertainty

You can order a rotor exchange as far in advance as you need to, substantially reducing the risk of schedule extensions and execution challenges due to late rotor parts, winding delays, or test failures that are common with an on-site generator. Your generator's new replacement rotor will arrive:

  • Fully tested
  • Wound with the latest enhancements
  • Thermally balanced
  • Ready to install
On-demand webinar

Generator Exchange Rotor Program

30 minutes

With an aging generator fleet that’s cycling more and more often, you face the challenge of maintenance not extending beyond your outage. Join our webinar to learn about GE’s faster alternative to in-shop rewinds.

Have questions? We have answers!

Generator rotor removal and replacement FAQs

What are the most common signs of a faulty generator rotor? And how long does it take to repair a generator rotor winding? Find the answers to these questions and more in our interactive feature below—which covers topics from our recent webinar.

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OEM expertise

Peace of mind

Did you know that GE is the OEM for thousands of generators? That includes many sub-models that most other vendors don’t have experience servicing, so we can work with you to make sure your new rotor is interchangeable with your old one. To date, we have performed more than 120 rotor removals and replacements for customers all over the world—including 30 just in the last two years.

120+ exchange rotors

delivered to customers globally

3x increase

in rotor exchange orders over the last 3 years

> 25 repeat customers

with > 20 generator versions

> 2 million

operating hours

10 models

of generator rotors in GE’s inventory

GE’s Exchange Rotor Program has been running for more than 20 years. How does it work? You can exchange generator fields that need maintenance or repairs for refurbished, off-the-shelf, pre-wound, and tested fields.

Consider your options

Is a generator rotor exchange right for you?

There are a number of things to consider when planning your outage, from the age and future operation mode of your generator to the best timing for an outage for your plant and customers. GE can perform a risk assessment to determine the condition of your rotors, identify the ones most at risk and the type of rotor, and any spare generator rotor parts you might need.