Artificial intelligence has become one of the most powerful investment themes globally over recent years. Much of the attention has focused on semiconductors, data centres and cloud computing infrastructure, as companies race to build the digital backbone required to support growing data consumption and AI adoption.
Yet one of the most important developments is occurring beyond data centres themselves.
As AI usage accelerates, power availability is increasingly becoming a key determinant of digital infrastructure growth. For investors in infrastructure debt, this is creating opportunities not only in digital assets but also in the energy infrastructure that supports them.
This trend is occurring against a backdrop of significant global infrastructure investment needs. According to Allianz Research, the world requires approximately US$4.2 trillion of annual infrastructure investment through 2035. Energy transition and digitalization continue to be among the most important drivers of capital deployment, while infrastructure debt remains one of the fastest-growing segments of private markets, benefiting from investor demand for resilient income and long-duration cash-generative assets.
Interconnectedness
Digital infrastructure continues to be an attractive area within infrastructure debt, with significant transaction activity across markets.
Today, opportunities remain concentrated in data centres, fibre networks, telecommunications towers and network assets that support growing data traffic and digital connectivity needs. AI adoption, cloud computing and increasing data consumption continue to drive demand across these sectors.
However, a key investment consideration is whether the real-asset characteristics traditionally associated with infrastructure are present in each individual project. Stable cash flow visibility, credible and diversified counterparties, limited permitting risk and strong covenant protections remain essential.
For this reason, investors that want to remain anchored to the “real assets” nature of infrastructure are becoming increasingly selective, favouring market-leading data centre operators and selected hyperscalers with established operating track records and strong counterparties.
More importantly, the focus is expanding beyond digital assets themselves. Assets positioned at the intersection of digital infrastructure and power are becoming increasingly attractive as access to energy emerges as a critical constraint on future growth.
Power: the next bottleneck?
One of the most important themes emerging across infrastructure markets is that power availability is increasingly constraining data centre development.
In many regions, the challenge is no longer simply building additional computing capacity. The ability to secure a reliable electricity supply and grid connectivity, and to rely on back-up systems such as battery storage, has become a key factor in determining where digital infrastructure can be developed and expanded.
This is creating investment opportunities across transmission infrastructure, energy storage and flexible generation solutions that support digital growth.
The implications extend beyond the technology sector. As digitalization accelerates, investments in electricity networks, storage facilities, and supporting infrastructure are essential to ensuring that economies can accommodate the growing demand for power-intensive technologies.
As a result, digitalization and energy transition are no longer separate investment themes. Increasingly, they are reinforcing each other.
Broader opportunities
From an infrastructure debt perspective, several long-term themes continue to shape investment opportunities globally, on top of the digital trends highlighted above.
Decarbonization and energy transition remain significant drivers of capital demand, creating opportunities across renewable generation, battery energy storage systems, transmission networks, electrification and energy efficiency projects.
At the same time, energy security and grid resilience are becoming increasingly important. Governments and companies are investing in transmission infrastructure, storage assets and flexible power solutions to strengthen reliability while accommodating rising electricity demand.
These themes are complemented by broader trends including infrastructure modernization, urbanization and supply-chain resilience, all of which continue to generate financing needs across transportation, logistics, environmental services and strategic industrial assets.
Regional drivers
The investment opportunity is global in nature, although the drivers vary across regions.
In Europe, decarbonization, grid investment and infrastructure renewal continue to support strong demand for capital. Several jurisdictions are also seeing a healthy pipeline of large-scale public-private partnership opportunities.
North America remains particularly attractive across power, digital infrastructure and energy-related sectors. Growing electricity demand is driving investment in both renewable energy buildout and conventional power generation. Data centres have been a dominant theme within investment-grade infrastructure financing, while digital infrastructure and energy transition assets continue to generate opportunities across capital structures.
On balance, Asia-Pacific markets are also benefiting from economic growth, digitalization and energy transition initiatives, creating significant financing needs across both energy and digital infrastructure.
Across these markets, one theme remains consistent: investment requirements continue to expand as economies seek to modernise critical infrastructure while supporting technological innovation.
Next phase of AI buildout
As AI adoption continues to expand, the need for reliable electricity, modern transmission networks, energy storage and flexible power solutions is likely to grow alongside it. In that sense, the AI story is no longer just a digital infrastructure story. It is also a power infrastructure story.
For infrastructure investors, this convergence of digitalization, energy transition and energy security may represent one of the most significant long-term investment opportunities of the coming decade.
Giulia Cerqueni is senior private markets investment specialist at Allianz Global Investors.
