- The Role of Coal-Fired Power Plants as Indonesia’s Primary Energy Source
- The Environmental Impact of Coal Dependence
- How the Carbon Credit Mechanism Works for Coal-Fired Power Plants
- Challenges in Implementing Low-Emission Technologies
- Why the Energy Transition Remains Key
The Role of Coal-Fired Power Plants as Indonesia’s Primary Energy Source
Steam Power Plants (PLTU) remain the backbone of electricity supply in Indonesia. This technology uses heat from burning coal to produce steam that drives turbines to generate power. On one hand, PLTUs are considered a blessing because they provide a stable and large supply of electricity that supports industries, economic growth, and daily human activities. On the other hand, the heavy reliance on coal has serious environmental consequences, as it produces greenhouse gas emissions, dust, and air pollution that harm human health and accelerate climate change.
The Environmental Impact of Coal Dependence
In recent years, the Indonesian government has been working to balance energy needs and environmental protection through a carbon credit mechanism. This system assigns economic value to emission reduction efforts. Power plants that can reduce their emissions below a certain limit are allowed to sell carbon credits, while those that exceed the limit must purchase credits or face penalties. Through this system, PLTUs are encouraged to improve efficiency and adopt cleaner technologies. Indonesia has also launched carbon trading through the Carbon Exchange (IDX Carbon), involving several coal fired power plants owned by PT PLN as a step toward a low carbon economy.
How the Carbon Credit Mechanism Works for Coal-Fired Power Plants
From a positive perspective, this policy provides an opportunity for PLTUs to contribute to emission reduction efforts. If managed properly, carbon credit trading can motivate power plants to innovate, such as installing better emission filters or using cleaner fuels. It can also create new revenue streams for companies that successfully lower their emissions. Moreover, this approach supports Indonesia’s commitment to achieving net zero emissions by 2060 and aligns with global climate goals.
Challenges in Implementing Low-Emission Technologies
However, several challenges remain. The cost of implementing low emission technologies like Carbon Capture and Storage (CCS) is still very high. Without transparent monitoring and reporting, carbon trading risks becoming a “license to pollute,” allowing companies to claim green credentials without real emission reductions. Another major issue is Indonesia’s continued dependence on coal. As long as coal fired power plants operate on a large scale, achieving significant national emission reductions will remain difficult.
Why the Energy Transition Remains Key
In conclusion, steam power plants can be both a blessing and a threat. They play a crucial role in ensuring energy stability and supporting economic growth, yet they also pose environmental and health risks if not managed responsibly. The carbon credit mechanism is a good first step, but it is not the ultimate solution.
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Author: Indah Nurharuni
Editor: Sabilla Reza
References:
Kementerian Energi dan Sumber Daya Mineral (KESDM). (2024). Carbon Trading Implementation in Power Generation Sector.
Antara News. (2024). Carbon trading in PLTU could reduce over 100 million tons of CO₂ emissions by 2030.
IDX Carbon. (2025). Indonesia Launches International Carbon Trading Platform.
Susanto, R., Widodo, A., & Pratama, N. (2023). Integrating Carbon Credit Mechanisms with Renewable Energy Policies in Southeast Asia.International Journal of Energy and Environmental Engineering, 14(2), 221–233.