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electronicsAugust 27, 2026

Innovative Geothermal System Promises Reliable, Low-Carbon Power for ASEAN

A new geothermal system by Sage and Chiyoda could revolutionize power generation in Southeast Asia.

A New Era of Sustainable Power Generation in ASEAN \\[10pt] The collaboration between Sage Geosystems, a US-based developer of enhanced geothermal systems, and Japan’s Chiyoda Corporation, an engineering firm specializing in large industrial facilities, is set to bring a groundbreaking approach to power generation in the ASEAN region. This partnership aims to harness the heat and pressure deep underground to produce a steady, low-carbon electricity supply, which could be a game-changer for factories in Thailand, Vietnam, Indonesia, and Malaysia. \\[10pt] ## How It Works \\[10pt] Sage's enhanced geothermal system (EGS) involves drilling into hot rock formations and creating an engineered reservoir. Water is injected into this reservoir, where it absorbs heat and builds pressure before being brought back to the surface. Unlike traditional geothermal plants that rely on naturally occurring underground resources, EGS uses techniques from the oil and gas industry to create and manage these reservoirs. This approach allows for geothermal projects to be viable in areas previously considered unsuitable. \\[10pt] For factories in Thailand, this could mean a more reliable and sustainable energy source, reducing their carbon footprint and operational costs. In Vietnam, where the demand for clean energy is growing, this technology could provide a stable power supply, supporting the country's industrial growth. In Indonesia, with its vast geothermal potential, the EGS system could unlock new opportunities for energy production, especially in remote areas. Similarly, in Malaysia, the adoption of this technology could enhance the country's energy security and reduce its reliance on fossil fuels. \\[10pt] ## Economic and Technical Viability \\[10pt] The joint study will focus on the surface equipment needed to handle high-pressure, high-temperature fluids. Chiyoda will use data from Sage on wellhead pressure, temperature, fluid properties, and operating conditions to assess major equipment configurations, energy balances, and expected costs. The companies will also estimate capital and operating expenses, as well as the cost of generating electricity. These calculations are crucial because the technical feasibility of extracting heat from hot rock does not automatically translate into economic viability. \\[10pt] Additionally, the EGS system is being developed for energy storage. Surplus electricity can be used to store pressure energy underground, which can then be recovered when demand rises. This feature makes the system particularly attractive for industries that require a consistent and reliable power supply, such as data centers, industrial facilities, and critical infrastructure. \\[10pt] ## Concrete Benefits for ASEAN Factories \\[10pt] The ability to generate electricity continuously, regardless of weather conditions, is one of the key advantages of geothermal power. For factories in the ASEAN region, this means a more stable and predictable energy source, which can help in planning and budgeting. Moreover, the low-carbon nature of geothermal energy aligns with the region's sustainability goals, making it an attractive option for factory buyers looking to reduce their environmental impact. \\[10pt] As the study progresses, the potential applications of this technology in the ASEAN region become increasingly clear. The collaboration between Sage and Chiyoda is a significant step towards commercial-scale deployment, and it promises to deliver a dependable, low-carbon power source that can support the region's industrial growth and energy security. \\[10pt] **Takeaway for Factory Buyers:** Investing in this innovative geothermal system could provide your factory with a reliable, low-carbon energy source, reducing operational costs and contributing to a more sustainable future.

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Editorial rewrite by ASEAN Machine team, based on public reporting from Interesting Engineering, with added ASEAN manufacturing context.

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