Indonesia's energy security strategy is increasingly focused on ensuring a reliable and affordable domestic power supply, and Indonesia thermal coal production is a cornerstone of this effort. While the country is a global export powerhouse, the domestic market is becoming a primary focus, driven by the need to support economic growth, maintain energy affordability, and meet the demands of a rapidly developing nation. Analysis presented by Market Research Future reveals that the market is experiencing a shift towards prioritizing domestic consumption, influenced by a growing population, economic growth, and industrial expansion.

Report Key Statistics

Market Research Future's data indicates that the Indonesia Thermal Coal Market was valued at USD 14,770.84 million in 2024 and is projected to grow to USD 28,045.35 million by 2035, with a CAGR of 6.0% . Domestic coal sales reached about 254 million tonnes in 2025, marking a significant increase . The government's Domestic Market Obligation (DMO) requires coal producers to allocate at least 25% of their approved annual production to local users, and authorities have indicated that DMO requirements will be prioritized before determining export allocations .

IEA forecasts predict that Indonesia's coal consumption will reach approximately 266 Mt in 2025, driven by population growth, an anticipated 5% economic growth rate, and a 7% growth in electricity demand . By 2030, Indonesian coal demand is projected to increase to 337 Mt, with the power and metal processing industries accounting for most of the new demand . This could make Indonesia the largest coal consumer in ASEAN and potentially the third-largest globally.

Industry Trends: Domestic Demand Surge and DMO Prioritization

A defining trend in Indonesia's thermal coal production is the surge in domestic demand. Increased electricity generation, driven by economic expansion and electrification, is the primary driver. According to IEA, Indonesia's coal consumption is projected to rise to 266 Mt in 2025 and 337 Mt by 2030 . This growing domestic appetite is reshaping the market, with the government increasingly prioritizing local supply.

The Domestic Market Obligation is a key mechanism for this shift. The government requires all coal producers to allocate a portion of their production to domestic buyers, particularly PLN Group (the state electricity company) and power plants, at a capped price . In 2026, PLN and independent power producers were estimated to require 152.51 Mt . The DMO acts as a price cap mechanism to ensure affordable electricity for the public, but it creates a commercial tension for miners who could earn more on the export market .

Challenges: Domestic Price Caps and Grade Availability

The domestic price cap system presents a challenge for producers. Under government decrees, coal supplied for public electricity generation is capped at US$70/t FOB, while coal for domestic industrial users is capped at US$90/t . When export-equivalent prices exceed these caps, a benchmark gap emerges, creating a financial incentive for miners to limit their domestic sales to the minimum required. This can create a mismatch between demand and supply for specific coal grades needed by domestic power plants.

Ensuring the availability of the correct coal grade at the right location and timing is a challenge. A reported shortfall of approximately 9.4 Mt for PLN in the first five months of 2026, comprising medium and low-rank coal, illustrates that sufficient national production does not guarantee that the correct coal is delivered to each power plant on schedule .

Future Outlook: Price Stabilization and a More Managed Export Pipeline

The future of Indonesia thermal coal production is expected to be defined by a more managed export pipeline and a focus on price stabilization. The Indonesian government is considering a "policy mix" that includes tightening production quotas (RKAB), increasing export taxes, and raising the DMO to reduce exports, support coal prices, and increase tax revenue .

The shift in policy has already introduced uncertainty for producers and buyers. With production quotas tightening, miners will prioritize long-term contractual deliveries, leaving fewer cargoes available on the spot market . Spot availability will become more volatile, with prices responding quickly to changes in export supply. This means that while exports will remain an important part of the Indonesian coal sector, the domestic market will increasingly dominate production decisions and supply allocation.

Expert Discussion: Balancing Export Revenue and Domestic Needs

Energy policy experts and industry leaders increasingly recognize the need to balance the economic benefits of coal exports with the imperative of domestic energy security. The government's policy of prioritizing DMO before determining export allocations reflects this balancing act .

The policy tightening is seen as a move to support coal prices, which had been under pressure from weak demand . It also reflects a concern about the depletion of higher-value coal reserves and a desire to maximize the long-term economic benefit of the resource . The drive to reduce coal output and prioritize domestic sales is therefore both an economic and a resource-management decision.

Conclusion

Indonesia thermal coal production is essential for strengthening domestic energy security, providing the affordable fuel needed to power the nation's economic growth and development. According to Market Research Future, the market is projected to reach USD 28,045.35 million by 2035 . The prioritization of domestic market obligations, the development of cleaner coal technologies, and strategic production management will continue to shape the future of the Indonesia Thermal Coal Market , positioning Indonesian coal as a critical resource for the nation's energy security.

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