Bambang Pamungkas
Jakarta, CNBC Indonesia – Global thermal coal prices have witnessed a significant upsurge, reaching their highest levels in over a month, driven primarily by escalating geopolitical tensions in the Middle East, particularly the conflict involving the United States, Israel, and Iran. The volatile situation has cast a long shadow over global energy security, prompting market anxieties about potential disruptions to critical shipping lanes and a subsequent scramble for alternative fuel sources. As of Tuesday, May 5, 2026, thermal coal prices, as reported by Refinitiv, closed at US$139.7 per ton, marking a 0.36% gain on the day and extending a positive trend with a cumulative 1.5% increase over two trading sessions. This current price point represents the highest recorded since March 31, 2026, signaling a rapid and reactive shift in energy commodity markets.
The immediate catalyst for this upward trajectory is the heightened concern over the security of the Strait of Hormuz, a narrow yet strategically vital waterway connecting the Persian Gulf to the open ocean. This choke point is indispensable for global energy transit, facilitating the passage of approximately one-fifth of the world’s total petroleum liquids consumption and a significant portion of its liquefied natural gas (LNG) shipments. Fears surrounding a potential closure or severe disruption of the Strait due to the US-Israel-Iran conflict have sparked widespread apprehension among energy traders and consumers. Analysts have warned that such a scenario could curtail roughly 20% of the world’s super-chilled fuel (LNG) supplies, triggering a domino effect across global energy markets and leading to a rapid reassessment of energy supply vulnerabilities.
The Geopolitical Catalyst: Strait of Hormuz and Global Energy Security
The Strait of Hormuz, a 39-kilometer-wide maritime passage, is undeniably one of the most critical geopolitical flashpoints in the global energy landscape. Its strategic significance stems from its role as the sole sea passage from the Persian Gulf to the open ocean, through which an estimated 21 million barrels of oil and condensate pass daily, along with a substantial volume of LNG. Any threat to this waterway, whether from direct military action, naval blockades, or increased shipping insurance premiums, immediately sends ripples through international markets. The ongoing conflict involving the US, Israel, and Iran has intensified these anxieties, with market participants pricing in a higher risk premium for energy commodities originating from or transiting through the region.
The current geopolitical climate is characterized by a complex interplay of regional rivalries, proxy conflicts, and international power dynamics. The conflict has seen a series of escalations, raising fears of a broader regional conflagration. In such a scenario, the Strait of Hormuz becomes a primary strategic target, making it a critical barometer for global energy security. The mere threat of disruption, let alone an actual incident, can lead to significant price volatility across the energy complex, including crude oil, natural gas, and, as observed, thermal coal. This anticipatory pricing mechanism reflects the market’s assessment of the severe economic consequences of any prolonged interruption to global energy flows.
Echoes of Past Crises: Comparing Current Surge to 2022
While the current coal price surge is notable, its magnitude is still considerably smaller when compared to the dramatic spikes witnessed following Russia’s invasion of Ukraine in February 2022. The 2022 conflict triggered an unprecedented energy crisis, particularly in Europe, as nations sought to reduce their reliance on Russian natural gas. This led to a significant redirection of global energy trade flows, with a scramble for alternative gas supplies and a renewed emphasis on coal for power generation. Thermal coal prices, for instance, soared by as much as 78% in the immediate aftermath of the invasion, reaching historic highs. The disruption then was primarily characterized by a fundamental shift in established trade routes and supply relationships, as Western buyers actively avoided Russian supplies, rather than a direct physical blockade of a major shipping lane.
The current situation, while serious, differs in its immediate drivers. The present concern is rooted more in the threat of a physical supply disruption via the Strait of Hormuz, primarily affecting LNG, which then has a knock-on effect on coal demand as a substitute. In 2022, the market experienced a profound structural shock to supply chains, particularly for European gas, forcing a rapid and widespread pivot back to coal. Lessons from the 2022 crisis have, however, made energy markets and policymakers acutely aware of their vulnerabilities to geopolitical events, leading to quicker, albeit more cautious, reactions to potential supply interruptions. This historical context underscores the fragility of global energy supply chains and the immediate responsiveness of commodity markets to perceived risks.
Shifting Sands in Asian Energy Consumption: China’s Pivot
The impact of the ongoing Middle East conflict is particularly pronounced in Asia, a region that accounts for the lion’s share of global LNG imports. Since the onset of the Iran conflict, Asian LNG imports, especially those by China, have come under considerable pressure. China, the world’s largest energy consumer, has begun to actively reduce its reliance on seaborne LNG, opting instead to bolster its energy security through a diversified strategy. This involves increasing the utilization of domestic natural gas reserves, expanding pipeline gas imports from Central Asia and Russia, and crucially, ramping up its consumption of thermal coal.
This strategic pivot by China is a significant development for global energy markets. While global LNG supplies have, to date, largely been sufficient to meet the needs of other Asian nations, the rising cost of LNG due to geopolitical premiums makes coal an increasingly competitive and economically attractive alternative for power generation. For China, prioritizing energy security and cost-effectiveness often translates into a greater reliance on domestically available or pipeline-supplied fuels, which include vast coal reserves. Should the Strait of Hormuz situation escalate, China’s shift could accelerate, further tightening the global coal market and potentially driving prices even higher. This move by China also highlights the tension between a nation’s energy security imperatives and its long-term climate commitments, with short-term geopolitical realities often dictating a return to more carbon-intensive fuels.
A Granular Look at Asian Coal Markets and Price Dynamics
The Asian thermal coal market is segmented by quality and origin, catering to diverse industrial and power generation needs across the continent. Broadly, three main categories dominate:
- High-Quality Australian Coal: Primarily used by countries with stringent environmental standards and advanced power plants, such as Japan, South Korea, and Taiwan. This coal typically has higher calorific value and lower ash/sulfur content.
- Medium-Quality Australian and Indonesian Coal: A more versatile grade, widely imported by large industrial economies like China and India for a broader range of power and industrial applications.
- Low-Quality Indonesian Coal (e.g., 4,200 kcal/kg): Often characterized by lower calorific value but competitive pricing, making it a staple for power generation in price-sensitive markets like China and India.
Since the commencement of the Iran conflict, price performance across these segments has varied, with high-quality coal demonstrating the strongest gains. Data indicates that the index for high-quality Australian thermal coal from the Port of Newcastle surged by 12.6% to US$130.81 per ton as of May 1, compared to pre-conflict levels. Medium-quality coal also saw a substantial increase of 11.7%. Indonesian thermal coal, specifically the 4,200 kcal/kg grade, rose by 11.6% to US$61.82 per ton.
This differentiated price movement underscores a critical dynamic: nations with the flexibility to switch between LNG and coal for electricity generation are increasingly turning to coal, particularly its higher-quality variants. Japan and South Korea, known for their technologically advanced power grids and diverse energy portfolios, exemplify this flexibility. Their ability to quickly adjust their fuel mix based on price signals means they are more likely to opt for high-quality coal when LNG becomes prohibitively expensive, thereby boosting demand for this specific grade.
Japan and South Korea: The Critical Swing Buyers
Japan and South Korea are often considered "swing buyers" in the Asian energy market due to their capacity to interchange between LNG and coal for power generation, driven by relative price competitiveness and energy security considerations. Their decisions significantly influence regional energy dynamics. Despite the recent coal price surge, data suggests that a massive, immediate shift from LNG to coal has not yet materialized in these two key economies.
In April 2026, Japan’s coal imports totaled 7.89 million tons. While this figure represents a slight decrease from March, it remains above the levels observed in April 2025. Similarly, South Korea imported 5.70 million tons of coal in April, marking an annual increase but a month-on-month decline. Crucially, both countries’ coal import volumes remain below their respective five-year averages, indicating that a significant and sustained transition in their fuel mix has yet to take hold. This cautious approach could be attributed to several factors, including existing long-term LNG contracts, logistical constraints for rapid fuel switching, and an ongoing assessment of the geopolitical situation’s longevity.
However, the impending summer season in the Northern Hemisphere, which typically brings increased electricity demand for cooling, is expected to intensify the pressure on these nations to make more definitive fuel choices. Economically, the tipping point for switching from LNG to coal is relatively clear: coal becomes the more cost-effective option when LNG prices surpass US$10.24 per MMBtu in Japan and US$10.45 per MMBtu in South Korea. While recent LSEG data indicates that North Asian spot LNG prices were around US$10.06/MMBtu last week – still marginally cheaper than the coal equivalent – the gap is narrowing rapidly. The market is keenly awaiting whether rising LNG prices will push these nations to fully embrace coal in the coming months.
The Interplay of Oil, LNG, and Coal: Forward Projections
The intricate web of global energy markets means that prices of different commodities are often closely linked. The recent surge in crude oil prices, particularly Brent crude, is another significant factor influencing the outlook for LNG and, consequently, coal. Brent crude closed at US$114.44 per barrel, representing an approximate 32% increase from its post-conflict low. This upward trajectory in oil prices is directly tied to ongoing concerns over the Strait of Hormuz and the broader stability of oil supplies from the Middle East.
Many long-term LNG contracts, particularly those in Asia, are priced with a direct linkage to crude oil benchmarks like Brent. This means that as Brent prices rise, so too does the contract price of LNG. Based on current Brent crude projections, experts anticipate that Brent-based LNG prices could escalate to approximately US$12.73 per MMBtu by early July in Japan. This projected price point is critical, as it significantly surpasses the economic switch-over threshold for Japan (US$10.24/MMBtu) and South Korea (US$10.45/MMBtu), making a shift from gas to coal for power generation not just economically viable but almost inevitable.
This forward projection paints a clear picture for the coming months: unless geopolitical tensions de-escalate dramatically and quickly, or alternative LNG supplies become abundant and cheap, the economic imperative will favor increased coal consumption. This creates a challenging scenario for global energy markets, as it pits immediate energy security and economic considerations against longer-term environmental goals.
Broader Implications: Economic, Environmental, and Geopolitical
The current surge in thermal coal prices and the underlying geopolitical instability carry profound implications across economic, environmental, and geopolitical spheres.
Economic Implications: The rising cost of energy, particularly coal, directly impacts industrial production costs, potentially leading to higher inflation across various sectors. For consumers, increased electricity prices and higher costs for goods and services will erode purchasing power. While energy companies involved in coal production and trading might see increased profitability in the short term, the overall global economy faces headwinds from energy price volatility and uncertainty. Nations heavily reliant on energy imports, especially those with less diversified energy mixes, are particularly vulnerable to economic instability.
Environmental Setbacks: The renewed reliance on coal, a highly carbon-intensive fossil fuel, represents a significant setback for global climate action and decarbonization efforts. Many countries have committed to phasing out coal power as part of their national determined contributions (NDCs) under the Paris Agreement. A sustained pivot back to coal, driven by energy security concerns, could substantially increase global greenhouse gas emissions, making it harder to achieve critical climate targets. This crisis starkly highlights the ongoing tension between the urgent need for energy security and the imperative to transition to cleaner energy sources. Governments will face the difficult task of balancing immediate energy needs with long-term climate commitments.
Geopolitical Ramifications: The ongoing US-Israel-Iran conflict underscores the inherent fragility of global energy supply chains and the profound impact of regional conflicts on international markets. The potential for disruptions in the Strait of Hormuz not only affects energy flows but also global trade routes more broadly, impacting shipping costs and supply chain reliability for various goods. This situation is likely to prompt a renewed focus on energy diversification strategies by nations worldwide, encouraging investments in renewable energy, domestic fossil fuel production, and strategic energy reserves to reduce vulnerability to external shocks. It also intensifies diplomatic efforts to de-escalate tensions in the Middle East, given the global economic consequences.
Expert Analysis and Industry Outlook
Energy analysts widely suggest that the current market dynamics are a stark reminder of the interconnectedness of geopolitics and commodity prices. Industry experts warn that the short-term outlook for thermal coal remains bullish as long as the Middle East conflict persists and fears surrounding the Strait of Hormuz loom large. Governments, faced with the immediate priority of ensuring stable energy supplies for their populations and industries, are likely to prioritize short-term energy security over accelerated decarbonization efforts. This could manifest in temporary policy adjustments, increased subsidies for fossil fuel power generation, or even renewed investments in coal infrastructure in certain regions.
The dilemma for policymakers is acute: how to navigate a volatile present without entirely abandoning future climate goals. Many experts anticipate that while the immediate crisis might necessitate a reliance on coal, it could also paradoxically accelerate long-term investments in renewable energy and energy storage solutions as nations seek to build more resilient and independent energy systems. However, the path to that future is fraught with immediate challenges.
Conclusion
The global energy market finds itself in a precarious state, with thermal coal prices once again surging as a direct consequence of escalating geopolitical tensions in the Middle East. The strategic importance of the Strait of Hormuz has placed it at the center of market anxieties, driving fears of significant LNG supply disruptions and prompting a shift towards coal, particularly in major Asian economies like China. While Japan and South Korea have not yet fully pivoted, economic indicators and forward projections for Brent-linked LNG prices suggest that a substantial move to coal is highly probable in the coming months. This complex interplay of geopolitical risk, economic necessity, and environmental commitments presents a formidable challenge for global leaders and energy markets, underscoring the delicate balance required to ensure both energy security and a sustainable future. The world watches keenly as events unfold, with the trajectory of global energy markets hanging in the balance.
