As global energy markets grow more volatile, Bangladesh’s reliance on imported fuels has become a pressing concern. Rising geopolitical tensions have exposed the fragility of fuel supply chains, driving up prices and creating uncertainty for economies that depend heavily on imports. For Bangladesh, where textiles and apparel form the backbone of the economy, this is not just an energy issue—it is a direct threat to industrial stability and competitiveness.
Yet beneath this challenge lies an overlooked opportunity: geothermal steam. Just a few kilometers beneath the Earth’s surface exists a continuous source of heat energy. When tapped through shallow wells, hot water rises and expands into steam. This steam can be used directly in factories, particularly in textile processing, where it replaces gas-fired boilers for dyeing, washing, and finishing. After use, the steam cools into water and is reinjected underground, keeping the system sustainable.
The Case for Geothermal: Constant, Reliable, and Scalable
Geothermal energy stands apart from other renewables in one critical way: consistency. Unlike solar and wind, it is not dependent on daylight, weather conditions, or seasonal variation. A geothermal plant can operate for nearly 8,600 hours per year, compared to around 2,000 hours for solar energy. This makes it one of the most predictable and reliable renewable energy sources available today.
This constant output has important implications for industry. In sectors like textiles—where production cycles depend on uninterrupted energy—predictability is as important as cost. Geothermal energy allows for long-term planning, reducing exposure to sudden price fluctuations or supply disruptions.
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From an environmental perspective, geothermal also offers clear advantages. Compared to fossil fuel-based systems, it produces significantly lower carbon emissions and fewer pollutants. Once installed, geothermal systems are highly efficient, with the ability to recycle unused heat back into the system, optimizing energy use and minimizing waste. In many cases, components can even be reused at the end of a plant’s lifecycle, reinforcing its alignment with circular and sustainable development principles.
Bangladesh’s Steam Opportunity
Early findings from BUET, Petrobangla, and DUET’s Department of Mechanical Engineering—presented at the 2024 IEOM conference—suggest elevated geothermal gradients in regions such as Thakurgaon, Dinajpur, Rangpur, and Sylhet. These areas show promise for steam extraction at relatively shallow depths of 1–2 kilometers.
Focusing on steam first offers clear advantages:
• Faster ROI: Steam projects can deliver results in 2–3 years, compared to 5–7 years for electricity plants.
• Lower risk: Shallow wells are easier to drill and less expensive to maintain.
• Direct industrial use: Steam can be fed straight into textile factories, cutting fuel imports and stabilizing costs.
• Compliance edge: Global fashion brands increasingly demand clean energy in production. Steam helps factories meet these standards quickly.
Global Lessons
Countries like Kenya, Indonesia, and the Philippines began with direct geothermal applications before scaling into electricity generation. Their experience shows that steam-first is not only feasible but strategically sound. It builds confidence, generates early benefits, and lays the groundwork for larger power projects later.
A Phased Roadmap for Bangladesh
• Years 1–2: Conduct advanced geological surveys and shallow drilling for steam.
• Years 2–3: Launch pilot steam projects in textile and manufacturing clusters.
• Years 5–6: Expand into electricity generation once steam success is proven.
This phased model minimizes risk while ensuring industries benefit early in the transition.
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From Vulnerability to Resilience
Bangladesh’s dependence on imported fossil fuels has long been a structural vulnerability. In stable times, this reliance is manageable. But during global disruptions, it becomes a serious economic risk. Geothermal steam offers a pathway to rebalance that equation. It is consistent, and increasingly viable as technology improves.
For the textile and apparel industry, this is not only about sustainability—it is about resilience. Steam-first geothermal can protect cost structures, ensure production continuity, and strengthen Bangladesh’s competitiveness in global sourcing.
Bottom Line
Geothermal steam is not just an energy solution—it is a strategic asset. By prioritizing steam first, Bangladesh can secure quick wins for its textile industry while laying the foundation for a cleaner, more resilient energy future.
