Digital Infrastructure Expansion Requires Push in ILS and ART Solutions: Aon

Why It Matters

Insufficient insurance capacity threatens the bankability of multi‑billion‑dollar data‑center projects, making ART and ILS vital for unlocking capital and ensuring sector resilience.

Key Takeaways

• Data center investment projected at $5‑$10 trillion by 2030.
• Traditional insurance capacity lagging behind digital infrastructure risk growth.
• ART and ILS solutions gaining traction to bridge coverage gaps.
• Third‑party reinsurance capital hit $124 billion Q3 2025, fueling alternatives.

Pulse Analysis

The surge in hyperscale data‑center construction is reshaping the risk landscape, as developers confront unprecedented aggregation of assets and energy systems. Conventional indemnity policies, designed for more fragmented exposures, struggle to provide the limits and terms needed for projects that can cost hundreds of millions per site. This mismatch forces developers to seek alternative financing mechanisms that can absorb large, correlated losses without exhausting insurer capacity.

Alternative risk transfer (ART) instruments—parametric triggers, captive structures, and especially insurance‑linked securities—are emerging as the bridge between capital markets and infrastructure risk. Advances in catastrophe modeling, real‑time analytics, and data‑driven underwriting enable investors to price complex, long‑dated exposures with greater confidence. ILS, such as catastrophe bonds, allow capital providers to assume a slice of data‑center risk in exchange for higher yields, while captives give owners direct control over risk retention and reinsurance placement.

Market signals reinforce this shift: third‑party reinsurance capital reached a record $124 billion at the end of Q3 2025, and 2025 saw a historic volume of catastrophe‑bond issuances. These trends indicate that investors view digital‑infrastructure risk as a new asset class, rewarding sophisticated risk‑transfer solutions. For developers, integrating ART into project financing not only closes coverage gaps but also enhances bankability, reduces loan covenants, and accelerates deployment timelines, positioning the sector for sustained growth in the coming decade.