As one of the largest greenhouse gas emitters globally, Indonesia stands at a crossroad, having to either embrace sustainable development or risk becoming a global climate liability.
According to the IEA’s 2022 report, Indonesia has one of the most emissions-intensive electricity sectors globally, with over 750 grams of carbon dioxide (CO2) per kilowatt-hour – higher than China’s 600 grams CO2/kWh and India’s 710 grams CO2/kWh in 2021.
Despite its heavy reliance on coal, Indonesia holds vast potential for renewable energy adoption. The country’s National Energy Plan (Rencana Umum Energi Nasional, RUEN), formalized through Presidential Regulation No. 22/2017, identifies renewable energy resources capable of transforming its energy landscape. This includes an estimated 29.5 GW of geothermal power, 75 GW of large hydropower, and 207 GW of solar power, among others.

However, realizing this potential demands significant financial resources. Transitioning to a climate-friendly energy system requires financing mechanisms that can bridge the funding gap for large-scale projects.
Here, concessional loans play a pivotal role. Characterized by favorable terms, they make transformative projects possible while aligning with both national development goals and global climate commitments. This article explores the significance of concessional loans and highlights their impact through notable case studies in Indonesia.
What Are Concessional Loans, and Why Are They Important?
Concessional loans, also known as soft loans, are a type of financing offered with favorable terms to support developmental or environmental objectives.
These terms often include below-market interest rates, grace periods, or a combination of both. Unlike grants, concessional loans require repayment, albeit under more flexible conditions.
In the context of climate finance, concessional loans address market failures that deter private investments. They provide affordable capital for developing countries like Indonesia to implement large-scale renewable energy projects, green infrastructure, and climate resilience initiatives.
Concessional loans can drive meaningful progress in areas that might otherwise struggle to secure financing by targeting high-impact projects that respond to global challenges such as climate change and sustainable development,.
It can help scale high-priority projects that impact the world’s collective climate and development objectives. Concessional finance works best when it is used alongside long-term strategic engagement and technical assistance.
These financing are provided by major financial institutions, such as development banks and multilateral funds, to developing countries to accelerate development objectives.
Case Studies: Concessional Loans in Action
To understand how concessional loans translate into tangible outcomes, let’s look at some key initiatives in Indonesia supported by international climate finance mechanisms.
Climate Investment Funds (CIF)
The Climate Investment Funds (CIF) is a leading multilateral climate finance partnership, channeling concessional finance through six multilateral development banks (MDBs) to support climate action.
With $12 billion pledged by 15 contributor countries, including the UK, US, Japan, and Germany, CIF stands as one of the world’s largest climate investment funds.
The World Bank Group, the Asian Development Bank, and other MDBs implement CIF’s investments globally. CIF’s investments in Indonesia are made through its Clean Technology Fund (CTF) and Forest Investment Program (FIP)
Clean Technology Fund (CTF)

The CTF uses a blend of financial instruments, including grants, contingent grants, concessional loans, equity and guarantees to make investing in low carbon technologies more attractive to both public and private sector investors in developing countries. Below is what the CTF concessional financing terms look like:

In Indonesia, $400 million in CTF funding has supported two priority areas: scaling up geothermal power development and accelerating investments in energy efficiency (EE) and renewable energy (RE).
To date, this funding has facilitated commercial lending for five geothermal projects, totaling 750 MW in capacity.

Accelerating Coal Transition (ACT) Program
In March 2021, the Climate Investment Funds (CIF) established the Accelerating Coal Transition (ACT) Program to support developing countries that are heavily reliant on coal to accelerate the transition away from coal to renewable energy (RE) while ensuring a holistic, integrated, socially inclusive, and gender-equal transition.

The program is structured around three pillars of governance, people and communities, and infrastructure. In October 2021, Indonesia, along with three other countries namely, South Africa, India and the Philippines, was selected as an ACT pilot country
As a lower-middle-income country, Indonesia remains eligible for development assistance under CIF guidelines.

Just Energy Transition Partnership (JETP)
JETP is a $20 billion funding initiative designed to expedite Indonesia’s transition from coal to renewable energy sources. At the heart of this partnership are concessional loans, which provide the financial flexibility required to decommission coal-fired power plants and invest in solar, wind, and other renewable energy projects.
Of the total funding, $6.9 billion in concessional loans has been allocated, to be distributed through international public financial institutions such as Multilateral Development Banks (MDBs) and Development Finance Institutions (DFIs).
The partnership’s initial milestones include commitments to retire coal plants ahead of schedule and implement pilot renewable energy projects in underdeveloped areas.
These efforts aim to lower emissions while fostering local economic development. By combining concessional loans with other financial tools, JETP demonstrates a comprehensive and integrated approach to advancing energy transition.
Challenges and Opportunities
Challenges:
- Debt Sustainability: Indonesia’s growing reliance on external financing raises concerns about debt sustainability, emphasizing the need for prudent loan management.
- Implementation Gaps: Delays and inefficiencies in project execution can undermine the effectiveness of concessional loans.
- Policy Alignment: Ensuring that concessional loans align with Indonesia’s long-term development and climate strategies remains a critical challenge.
Opportunities:
- Capacity Building: Beyond funding projects, concessional loans can strengthen institutional capacity for climate action.
- Private Sector Engagement: By de-risking investments, concessional loans can attract private capital, multiplying their impact.
- Scalable Solutions: Successful projects like those funded by CIF provide replicable models for future initiatives, fostering long-term sustainability.
Policy Recommendations for Maximizing Impact
To fully harness the potential of concessional loans, Indonesia must adopt a strategic approach:
- Integrate Financing Streams: Combine concessional loans with grants and private capital to optimize funding and ensure project viability.
- Enhance Accountability: Establish clear metrics for monitoring the outcomes of concessional loan-funded projects, ensuring transparency and effectiveness.
- Promote Policy Coherence: Align concessional loan initiatives with national development plans and climate commitments to maximize their impact.
Final Remarks
Concessional loans hold immense promise for driving Indonesia’s climate transition.
The path forward requires coordinated efforts among government agencies, international partners, and local stakeholders. With the right strategies in place, concessional loans can become a cornerstone of Indonesia’s journey toward a greener, more resilient future.
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