
Extending 7FA Gas Turbine Life Without the Risk
Heavy-duty gas turbine components have a finite lifespan – and when they’re pushed beyond their design limits, the risk of costly forced outages increases dramatically. Among all turbine parts, the rotor endures the most extreme temperatures, stresses, and operational demands, making its integrity critical for safe and reliable performance. GE’s technical guidance (TIL 1576) places strict limits on rotor life for heavy-duty gas turbines, requiring inspection or retirement at specific fired hours and starts. For operators, this creates a pressing need to plan ahead, avoid unplanned downtime, and ensure compliance without sacrificing performance.
This white paper reveals a proven, real-world solution to the rotor end-of-life challenge, backed by decades of engineering expertise and manufacturing data. It details the complete design, manufacturing, and installation journey of a newly developed GE Frame 7FA.03/.04 rotor – from predictive modelling to first article inspection and successful operation in the field. Whether you’re managing aging assets or looking for a safe, cost-effective path to extend turbine life, this resource provides the insight you need to make informed, high-stakes decisions.

Extending the Life of Frame 7FA Gas Turbines: EthosEnergy Design & Manufacturing Approach for New Rotors.

Emergency Gas Turbine Repairs: Three Outages, One Trusted Partner
When a major US utility was hit with three high-stakes turbine outages across multiple plants during the busiest outage season in years, EthosEnergy mobilised within days, deployed expert crews, and delivered complex repairs under extreme time pressure – keeping downtime to a minimum and protecting the client’s revenue during peak demand.