Indonesia Infrastructure Outlook 2025–2050
Insights into Indonesia's infrastructure investment outlook through 2050
Exploring the trends, investment priorities and infrastructure opportunities shaping Indonesia's next phase of growth.
Indonesia's long-term development priorities require continued investment across transport, power, water, digital infrastructure and social infrastructure. As infrastructure needs evolve over the coming decades, investment decisions could play an important role in supporting connectivity, economic competitiveness, service delivery, resilience and inclusive growth. This report explores how infrastructure investment could develop through 2050, the trends that could shape future demand, and the considerations likely to influence infrastructure delivery, financing and private-sector participation across key sectors.
The takeaways
Infrastructure investment could grow significantly by 2050
Indonesia's annual infrastructure investment could increase from approximately US$120 billion in 2025 to more than US$291 billion by 2050, reflecting potential growth in demand for connectivity, energy, digital infrastructure, water services, and human capital development.
Private capital could play a more important role
Meeting future infrastructure requirements is likely to require broader mobilisation of private investment, innovative financing mechanisms, and stronger project bankability. Public-private partnerships (PPPs), sovereign investment vehicles, and blended finance would remain important components of infrastructure delivery.
Infrastructure appear to evolving
Indonesia's infrastructure agenda is increasingly focused on economic value creation, sustainability, resilience, digitalisation, and service outcomes, alongside traditional infrastructure expansion.
Indonesia's infrastructure needs could potentially evolve over the next 25 years, influenced by urbanisation, digitalisation, the energy transition and rising demand for essential services. Annual infrastructure investment could increase from approximately US$120 billion in 2025 to more than US$291 billion by 2050, which may create opportunities across transport, power, water, digital infrastructure and social infrastructure. This report explores the trends, investment priorities and financing considerations that could shape Indonesia's next infrastructure cycle.
Five sectors shaping Indonesia's infrastructure future
Transport is expected to remain Indonesia's largest infrastructure investment sector through 2050, underpinned by urbanisation, increasing trade volumes, and the need to strengthen connectivity across the archipelago. As Indonesia expands its logistics and mobility networks, opportunities are expected to emerge across toll roads, railways, airports, and ports, supporting economic growth, regional integration, and supply chain efficiency.
The chart shows Indonesia's annual transport infrastructure spending increasing from approximately US$50.2 billion in 2024 to US$148.0 billion in 2050, representing almost threefold growth. Roads and bridges are expected to continue attracting the largest share of investment, supported by strong growth across airports, ports, and rail infrastructure as demand for passenger and freight transport expands.
Indonesia's power sector is undergoing a significant transformation as investment shifts towards renewable energy generation, energy storage, and grid modernisation. Rising electricity demand from industrialisation, digital infrastructure, electric vehicles, and economic growth is expected to drive substantial investment while supporting the country's long-term energy transition objectives.
The chart illustrates how annual power sector spending is projected to rise from US$5.7 billion in 2024 to US$16.6 billion in 2050. Future investment is expected to increasingly focus on renewable energy, transmission and distribution upgrades, and energy storage solutions, while spending on fossil fuel generation gradually declines as the energy mix evolves.
Water infrastructure remains a national priority as Indonesia seeks to expand access to safe drinking water, improve service quality, and address growing demand from urbanisation and population growth. Investments in water treatment, distribution networks, and operational efficiency will play a critical role in supporting the government's universal access ambitions.
The chart projects annual water infrastructure spending increasing from US$5.6 billion in 2024 to US$17.2 billion by 2050. This growth reflects the scale of investment required to expand network coverage, reduce non-revenue water losses, improve utility performance, and strengthen long-term water resilience across the country.
As Indonesia's digital economy continues to expand, investment in digital infrastructure is becoming increasingly important. Demand for cloud services, artificial intelligence, data centres, fibre connectivity, and digital networks is expected to accelerate, creating opportunities to support economic growth, innovation, and digital inclusion across the archipelago.
The chart highlights continued growth in digital infrastructure spending, with investment concentrated in digital networks and data centres. As demand from cloud computing, e-commerce, fintech, AI applications, and digital public services increases, investment is expected to focus on strengthening Indonesia's digital backbone and supporting long-term connectivity requirements.
Social infrastructure plays a vital role in supporting Indonesia's human capital development. Continued investment in healthcare and education infrastructure will be essential to improving service quality, expanding accessibility, and addressing regional disparities, helping to create a more productive and inclusive economy.
The chart shows annual social infrastructure spending increasing from US$5.5 billion in 2024 to US$15.2 billion in 2050. Investment growth is expected across both healthcare and education, reflecting the increasing importance of strengthening healthcare capacity, improving learning outcomes, and supporting Indonesia's long-term workforce development objectives.
What this means for investors
As Indonesia continues to pursue its long-term development objectives, infrastructure delivery would increasingly depend on:
- Stronger project preparation and bankability
- Innovative financing and partnership models
- Technology-enabled delivery approaches
- Integrated planning across infrastructure systems
- Sustainable and outcome-focused infrastructure development
These trends may create opportunities for investors, developers, operators, and financial institutions seeking exposure to Indonesia's infrastructure growth story.
Indonesia Infrastructure Outlook 2025–2050
Discover the investment trends, sector opportunities and financing shifts shaping Indonesia’s next infrastructure cycle.
Indonesia Infrastructure Outlook 2025-2050
Infrastructure should deliver more than projects. It should deliver enduring capacity, resilience, and value, not just at financial close or handover, but across its full life.
PwC Indonesia has published Indonesia Infrastructure Outlook 2025-2050, following the release of PwC's Global Infrastructure Outlook. The document outlines five sectors that would drive the opportunity to unlock sustainable growth and attract private investment: digital, power, transportation, healthcare and education, and water. Each sector has clear investment needs and offers significant opportunity for private participation within a defined strategic context.
At PwC, we help clients turn vision into value by connecting decisions across the infrastructure lifecycle, so capital invested today delivers performance, resilience, and returns for the future.
