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Lead story

Breathing new life into aging gas turbines

The hidden cost of doing nothing

Across the energy sector, asset owners are facing a common dilemma.

“How can we extend the life of our aging fleets without sacrificing reliability or breaking our budget?”

Every day a rotor runs past its optimal service life, the risk of forced outages increases.

Industry data shows unplanned outages cost the energy sector billions annually. Most OEMs recommend full life assessments to prevent catastrophic failures, but that's only part of the challenge.

The real pressure comes from multiple angles:

  • Life-expired components drive unplanned outages and higher maintenance costs
  • OEM lead times stretch up to two years for replacement parts
  • Ongoing supply chain pressure and stricter emissions regulations

Ignoring these issues could make rotor replacement your most expensive option.

 

How to extend rotor life by up to 70%

The challenges are real. But so is the technology driving the industry.

Stress analysis, digital twin modeling, and improved alloys are helping operators extend rotor lifecycles by up to 70%.

Engineering-led life extension offers an alternative to full replacement, keeping fleets competitive for longer.

What once required full replacement can now be achieved through engineering-driven life  extension, keeping fleets competitive for longer.

Life Cycle Assessment (LCA) studies show that rotor refurbishment cuts carbon emissions and abiotic depletion by up to 40% compared with manufacturing new units.

That’s sustainability, reliability, and cost savings in one neat package.

Want to find out how to extend rotor life? Download our GE fleet Rotor Lifetime Extension e-Guide

Download our eGuide

 

From OEM lock-in to freedom of choice

Driven by carbon-reduction goals, circular-economy initiatives, and cost pressures, industry trends show a growing demand for refurbishment and life-extension strategies over new-build projects.

What does this tell us? That operators are increasingly moving away from sole OEM dependency and seeking independent expertise that can provide flexible, cost-effective, and transparent solutions. 

It’s a shift that gives operators more choice and more control over their long-term strategies – which can only be a good thing.  

In other news

Case Study

7FA Rotor Proven in the Field

When Doswell Energy Center faced the end-of-life limit on a 7FA rotor, the conventional path would have been an expensive OEM replacement with long lead times.

Instead, our team at EthosEnergy delivered a Certified Previously Operated (CPO™) rotor tailored to Doswell’s high‑start, low‑hour profile.

The result was substantial cost savings, a rotor with nearly full life reset, and outage timing kept fully intact. 

Read the Case Study here

White Paper

What’s next for your rotors?

Rotor strategies are no longer one-size-fits-all.

The focus has shifted. It’s about making informed choices – CAPEX versus OPEX, risk versus reliability. 

And the right answer hangs on what your true long-term operational goals are.

Technology keeps moving fast – but the industry is also becoming more flexible. Independent service providers can now deliver OEM-equivalent rotors and life-extension solutions, giving operators more ways than ever to extend asset life and optimize fleet performance.

Learn more about 7FA Rotor Manufacturing in our white paper. 

Download our White Paper

Your global experts in critical rotating machinery.

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