We are entering one of the largest infrastructure investment periods in modern history.
According to PwC's latest Global Infrastructure Outlook, annual global infrastructure spending is expected to increase from approximately US$4.4 trillion in 2024 to US$6.9 trillion by 2050, resulting in cumulative investment of more than US$151 trillion worldwide.
The report highlights a profound shift in how capital will be allocated over the coming decades. Infrastructure is no longer simply about roads, airports and utilities. Instead, investment is increasingly being driven by artificial intelligence, digitalisation, electrification, energy security, decarbonisation and geopolitical resilience.
For infrastructure investors, pension funds, sovereign wealth funds, insurers, lenders and developers, the implications are significant.
AI Is Reshaping Global Infrastructure Investment
One of the most striking findings is the rapid growth of digital infrastructure.
As artificial intelligence adoption accelerates globally, demand for data centres, compute capacity, energy generation and grid infrastructure is expanding at unprecedented speed. PwC forecasts that annual investment in data centre infrastructure will more than double between 2024 and 2027, increasing from approximately US$114 billion to US$252 billion annually.
This surge reflects the race among hyperscalers, cloud providers and governments to secure AI capacity and digital competitiveness.
The infrastructure required to support AI extends far beyond data centres themselves. It creates substantial demand across:
- Power generation
- Electricity transmission and distribution
- Battery storage
- Renewable energy projects
- Digital connectivity networks
- Water infrastructure
- Semiconductor and manufacturing ecosystems
As a result, infrastructure and energy investors are increasingly positioning themselves at the centre of the AI economy.
Energy Infrastructure Becomes a Strategic Asset Class
The AI boom is creating a new reality for global energy markets.
Data centres are becoming some of the largest new consumers of electricity worldwide, placing unprecedented pressure on existing grids and generation capacity. Industry forecasts suggest power demand from AI-driven infrastructure could continue rising sharply throughout the next decade.
This is driving increased investment into:
- Grid modernisation
- Energy storage systems
- Renewable power generation
- Nuclear energy
- Flexible gas-fired generation
- Transmission infrastructure
For investors, energy infrastructure is increasingly viewed as one of the most attractive long-term investment themes linked to artificial intelligence. Recent investor surveys show many institutions now favour energy and infrastructure providers over traditional technology companies as a way to gain exposure to AI-driven growth.
Transport, Power and Defence Lead Future Spending
PwC expects transport and power infrastructure to account for roughly half of all infrastructure investment through 2050.
Meanwhile, defence infrastructure is projected to become the fastest-growing infrastructure segment globally, reflecting increasing geopolitical tensions and national security priorities.
Governments are increasingly focused on:
- Energy independence
- Critical supply chains
- Strategic manufacturing
- Digital resilience
- Defence capabilities
These trends are creating new opportunities across both public and private infrastructure markets.
Europe's Infrastructure Renewal Opportunity
While Asia-Pacific is expected to account for more than half of global infrastructure investment through 2050, Europe is entering a major infrastructure renewal cycle.
Key themes include:
- Grid expansion
- Energy transition projects
- Offshore wind development
- Digital infrastructure
- AI-ready power systems
- Transport modernisation
- Water and utility upgrades
For European infrastructure investors and asset managers, this represents a multi-decade deployment opportunity across both core and value-add strategies.
The New Infrastructure Investment Landscape
The infrastructure market is increasingly converging around three interconnected themes:
1. Artificial Intelligence
Data centres, cloud infrastructure, fibre networks and digital connectivity.
2. Energy Transition
Renewable generation, storage, grids and energy security.
3. Infrastructure Resilience
Transport, defence, water and critical national infrastructure.
The organisations able to understand the intersection between these sectors are likely to be best positioned to capture value over the next decade.
Looking Ahead
The next phase of infrastructure investment will not be defined solely by traditional assets.
It will be shaped by the need to power artificial intelligence, strengthen energy systems, modernise ageing infrastructure and build more resilient economies.
With global infrastructure spending projected to exceed US$151 trillion by 2050, the sector is entering a transformative period that is likely to reshape capital markets, investment strategies and economic development worldwide.
For investors, lenders, developers and policymakers, the question is no longer whether this infrastructure supercycle is coming.
It has already begun.
London, 1st of June 2026 - for questions or information about #GID2026 on 29th - 30th of June - The Summit for senior infrastructure Leaders, please get in touch with us via email at