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GE’s On-Schedule Completion of Japan’s Largest Ever Gas Turbine Upgrade Project to Help TEPCO Save $71 Million Annually on Fuel Costs

-Flange-to-Flange Replacement of Eight GE 9F Gas Turbines Resets the Clock on Critical Assets at TEPCO’s Yokohama Power Plant
-Significant Performance Improvements Include Output Increase of Approximately 7% and Overall Efficiency Improvement of Approximately 1.7% per unit
-Improved Fuel Efficiency Expected to Reduce Emissions by 240,000 Tons Annually


– GE’s Power Services business (NYSE: GE) announced today that its largest ever flange-to-flange (F2F) replacement project in Japan was successfully completed on time at Block 7 and Block 8 of TEPCO Fuel & Power’s (TEPCO) Yokohama power plant in Japan, and is expected to save approximately $71 million in annual fuel costs. This project involved a total of eight gas turbines ranging from 9FA.01 to 9FA.03 models being upgraded to improve performance and reduce lifecycle cost for TEPCO.

“Our longstanding relationship with TEPCO is built on years of mutual respect and trust, and we are pleased to deliver on our promise in helping them improve their plant performance and achieve savings in both fuel and lifecycle costs through modernization of all eight 9FA gas turbines,” said Jim Vono, region general manager, GE’s Power Services business. “We look forward to continued collaboration with customers like TEPCO in helping to revitalize the Japanese power industry through modernization of local power plants.”

Through this project, GE’s solution enabled TEPCO to incorporate all gas turbine replacements and upgrades to the latest technology at minimal disruption to plant operations to achieve:

  • Increased total plant output of gas turbine combined cycle (GTCC) by 216MW
  • Improved efficiency of 1.7% under customer load conditions
  • Lowered emissions by 30,000 tons annually per unit, which ultimately contributes to approximately 240,000 tons of CO2 reduction annually. This is equivalent to taking approximately 200,000 cars off the road annually.

GE has also provided training to a group of engineers from TEPCO, helping to expand skills and knowledge of TEPCO’s plant operations team.

In a flange-to-flange replacement exercise, the entire engine from inlet flange to exhaust flange is replaced as one piece. This is a cost-effective solution to address multiple power generation needs at once, including asset life extension, performance recovery, emissions controls, and fuel flexibility.

This milestone continues to strengthen GE’s long-standing relationship with TEPCO, spanning over 50 years, and during which GE has delivered more than 100 projects for TEPCO. In addition to this gas turbine upgrade project at Yokohama power plant, GE also successfully completed the world’s first 9EMax four-stage gas turbine at TEPCO’s Futtsu power plant in Chiba, Japan. The now completed upgrade is the first of a total of six 9EMax upgrades to be implemented at the Futtsu plant and is expected to increase output, improve thermal efficiency from 47.2% to 51.4%, and reduce emissions at the plant.

About GE

GE (NYSE: GE) is the world’s Digital Industrial Company, transforming industry with software-defined machines and solutions that are connected, responsive and predictive. GE is organized around a global exchange of knowledge, the “GE Store,” through which each business shares and accesses the same technology, markets, structure and intellect. Each invention further fuels innovation and application across our industrial sectors. With people, services, technology and scale, GE delivers better outcomes for customers by speaking the language of industry.

About GE Power

GE Power is a world energy leader that provides technology, solutions and services across the entire electricity value chain from the point of generation to consumption. We are transforming the electricity value chain by uniting all the resources and scale of the world’s first Digital Industrial company. Our customers operate in more than 150 countries, and together we power more than a third of the world to illuminate cities, build economies and connect the world.

For more information, visit the company’s website at Follow GE Power on Twitter @GE_Power and on LinkedIn at GE Power

About GE’s Power Services Business

GE’s Power Services business, headquartered in Baden, Switzerland, delivers world-class solutions for our customers across total plant assets and their operational lifetimes. This organization supports 2,800+ customers worldwide with an installed base of 28,000+ power generation assets, which includes other OEMs, and taps into the Industrial Internet to improve the performance of our solutions over the entire life cycle through the power of software and big data analytics.


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