Amidst a global move towards renewable energy sources, decarbonization and net zero emissions, EtaPRO LLC, a Toshiba Group Company, has installed its asset condition and monitoring solution at Indonesia’s PT Geo Dipa Energi (Persero) (GDE) geothermal power plant*1 through a contract with Toshiba Asia Pacific Indonesia.*2 EtaPRO uses IoT and AI technologies, including predictive failure diagnosis and performance monitoring, to optimize GDE’s plant performance.

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Image 1: photo of Patuha Geothermal Power Plant (Photo: Business Wire)

This service represents a commercial version of what has been implemented as a NEDO (New Energy and Industrial Technology Development Organization) demonstration project for this power plant in October 2019.*3 The demonstration project verified the effectiveness of the company's EtaPRO® IoT-based predictive failure diagnosis technology.

The EtaPRO business was acquired by Toshiba America Energy Systems Corporation^*4 last year to enhance its global servicing and maintenance solutions for turbines and equipment with EtaPRO’s digital asset performance management technology. This combination of steam turbine equipment and digital technology has borne significant results with GDE. Toshiba has delivered more than 60 geothermal turbines in 25 countries since 1966. Geothermal power generation is considered a key approach to achieving carbon neutrality.

EtaPRO’s asset performance and condition monitoring software has revolutionized the power generation industry by detecting small changes in equipment performance and vibration—early warning signs of larger problems. EtaPRO allows operators to fix issues before they become equipment failures, reducing downtime and outages. Additionally, EtaPRO’s solutions allow users to optimize plant performance. Installed in thermal, wind, solar, gas, and geothermal plants around the world, EtaPRO detects anomalies in:

• Thermal performance and efficiency
• Equipment condition
• Vibration system monitoring

EtaPRO also helps energy providers with a mix of generation types and as they transition from one energy source to another. The same software that monitors coal-fired plants also monitors solar, wind, and other renewable energy types, providing unparalleled, standardized, and customized capabilities across the world’s energy systems. EtaPRO is used in over 60 countries on assets producing 700 GW of power.

The system served to GDE is distinguished technologically by its use of EtaPRO’s AI to analyze real-time power plant operation data obtained from various sensors and detect signs of anomalies that may cause problems during normal operation. In doing so, it reduces the number and duration of power plant shutdowns. A demonstration project conducted by NEDO showed that it was able to reduce the rate at which problems occurred by over 20%. Another significant feature is the ability to detect signs of anomalies under conditions specific to geothermal power plants such as the unstable condition of the steam flowing into the turbine.

In Indonesia, the total installed power generating capacity was approximately 62 GW as of 2020, with coal-fired power generation accounting for about half of this total. Meanwhile, in accordance with the Paris Agreement, the Indonesian government has pledged to reduce greenhouse gas emissions by 29% by 2030. Electricity Business Plan (RUPTL) says geothermal power generation will account for about 3.4 GW (about 8%) of the 40.6 GW of power generation capacity to be added by 2030.*5 Toshiba Energy Systems & Solutions Corporation, (Toshiba ESS), has delivered equipment to several geothermal power plants in Indonesia. It will be proactive in proposing the IoT solutions that enable optimal operation that will help to solve issues faced by individual current and future customers.

By deploying this service worldwide, Toshiba supports the global move to more renewable forms of energy by enabling optimal efficiency at plants of every type and energy mix. With EtaPRO, plant operators can reduce the customer’s cost of power generation by helping improve power plants’ utilization rates, thereby promoting the spread of geothermal power generation and helping to achieve carbon neutrality.

*1: A group of geothermal power plants operated and managed by GDE, Indonesia’s state-owned geothermal power company. The project began operation in 2014, and has a rated output of 60,000 kW.

*2: Toshiba Asia Pacific Indonesia is an Indonesian subsidiary of Toshiba Energy Systems & Solutions Corporation (Toshiba ESS).

*3: NEDO (New Energy and industrial Technology Development Organization’s) technology development project for advanced application of geothermal energy.

https://www.global.toshiba/ww/news/energy/2019/10/news-20191023-01.html

https://www.nedo.go.jp/english/introducing/introducing_index.html

https://www.nedo.go.jp/activities/ZZJP_100066.html (Only in Japanese)

* 4: Toshiba America Energy Systems Corporation is an affiliate of Toshiba ESS.

* 5: From the Electricity Business Plan (RUPTL) for 2021–2030

https://www.oecd.org/environment/cc/cefim/indonesia/RUPTL-2021-30-PLN-steps-up-ambitions-to-accelerate-clean-energy-investments-in-Indonesia.pdf

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