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Power Generation Plants

Geothermal Power Generation Systems

Japan has one of the largest worldwide reserves of geothermal energy, and it is expected to be developed for power generation via renewable energy. JFE Engineering was involved in the design and engineering of Matsukawa Geothermal Power Plant, which was the first geothermal power plant in Japan. We have also constructed steam separation plants, steam gathering pipelines, brine re-injection pipeline and associated instruments and control systems. Ever since 1966, JFE Engineering, as a pioneer, has been gaining experience in E.P.C. for nine geothermal power plants in Japan as well as plants in both Indonesia and Kenya.

JFE Engineering has developed
  - Optimum Operation and Design System “GEOSYS”;
  - High-performance Cyclone Type Steam/Water Separator; and
  - Corrosion, Erosion and Scale Presentation System.
In 2010, we began providing Binary Power Generation Units as well.

JFE Engineering promotes overall engineering of geothermal power generation from feasibility studies to construction, commissioning and maintenance.

Product Examples

▲Steam Production Equipment

▲Production Well Head Facility

▲ Cyclone Separator and Flasher

▲Heat Recovery Exchanger from Surplus Steam

JFE’s total geothermal power generation systems

JFE Engineering provides high-efficiency geothermal power generation systems consisting of production well head facilities, steam production facilities , steam gathering pipelines, brine gathering pipelines and re-injection facilities, and binary power generation facilities capable of utilizing both steam and hot water.

Binary power generation

When driving turbines, steam separated from a geothermal resource is utilized directly by a normal flush power generation system, so super-heated steam (more than 200°C) is necessary. In contrast, binary power generation systems utilize geothermal resources, steam and/or hot water as a heating source to evaporate a fluid with a low boiling point, which drives the turbine. Therefore, it is possible to utilize low temperature (less than 200°C) geothermal resources.

In 2010, JFE Engineering entered into a business alliance for binary power generation system with Ormat Technologies, Inc. (USA). This binary power generation system boasts the highest level of reliability and efficiency as well as a global track record of more than 1.20 million kW. The generating units have a wide output range of 250 to 15,000 kW.

New challenge “Independent Geothermal Power Generation Producer”

Iwate Geothermal Power Co., Ltd. (Established in October 2011).
Share Holder JFE Engineering Corporation, Japan Metals & Chemicals Co., Ltd., and Geothermal Engineering Co., Ltd.
Cooperators Hachimantai City
Capacity 3,500 to 7,000 kW, scheduled to commence operation in 2015.

Hachimantai Geothermal Field

New challenge “Power Generation Utilizing Hot Springs”

In 2012, JFE Engineering received an order for a Feasibility Study of Power Generation Utilizing Tsuchiyu Hot Springs from the Ministry of the Environment. Study results showed that a Binary Power Generation System would satisfy the required power output.  Tsuchiyu Hot Spring Cooperative Association and JFE Engineering are planning further study for commercialization as an independent power producer.

↑ Hot Spring Well at Tsuchiyu-Onsen

↑ Tsuchiyu-Onsen Town
(Electrical Power Consumer)

(Quoted from the Tsuchiyu-Onsen Tourist Association website)