Data centre insurance capacity just got a headline-grabbing boost: Aon has expanded its Data Center Lifecycle Insurance Program (DCLP) to $5 billion, up from a prior ceiling of $3.5 billion. Against Aon’s own estimate that a single hyperscale campus can carry $10-50 billion in total replacement value, the increase narrows a financing gap more than it closes one.
What the expanded program actually buys a hyperscaler
The headline figure covers more than a single line of insurance. Under the restructured program, Aon can place up to $5 billion in Construction All Risks, Delay in Start-Up and Property Damage and Business Interruption cover, drawn from a panel of A-rated Lloyd’s and company-market insurers alongside additional facilities, as Aon detailed in its program announcement. Liability limits sit underneath that ceiling: up to $200 million in third-party liability for projects outside the United States and $100 million within the country. Aon has also built in $400 million of cyber and technology errors-and-omissions cover and $500 million in project cargo protection, plus up to $1 billion of terrorism capacity drawn from its existing facilities.
Taken together, the structure reads less like a single policy and more like a stacked risk-transfer architecture built to follow a data centre asset from groundbreaking through steady-state operation.
The arithmetic that still does not close
Set against the scale of the assets involved, $5 billion is a large number that still falls short of covering the biggest builds outright. In an analysis of risk across the data centre lifecycle, Aon noted that AI-driven campuses and portfolios now routinely reach $10-50 billion in total replacement value, occasionally concentrated at a single site. The pattern is consistent with a dynamic InsuraBeat has tracked closely: insurer capacity has struggled to keep pace with the underlying build-out across the US data centre market. Even a program expanded to $5 billion covers only a fraction of a portfolio valued at $10-50 billion, meaning DCLP functions less as a single blanket policy and more as one substantial layer in a broader risk-transfer stack that clients must still assemble themselves.
Ryan Barber, Aon’s Global Head of Property, Commercial Risk Solutions, put the mismatch in stark terms in the same analysis, warning that the reinsurance and insurance markets “cannot deliver limits anywhere near these values for mega-campus developments” — a gap he frames as a source of structural tension that can put deal execution itself at risk.
Why Aon wants in before the concrete is poured
The more structurally interesting move sits underneath the balance-sheet numbers. Aon frames the expansion around what it calls a “Reliable by Design approach to digital infrastructure,” which pushes insurance capacity, engineering expertise and risk intelligence into the development phase rather than waiting until an asset is operational. The idea is to make data centre assets bankable and insurable at scale well before financing closes, building resilience into the design rather than underwriting it after the fact — insurance reframed as an enabler of capital rather than a backstop bought once construction is finished.
That upstream involvement matters because data centre risk increasingly touches risks that fall outside insurers’ traditional property and casualty experience, from power-hungry cooling systems to interdependent supply chains — exactly the kind of exposure Aon says its engineering-first approach is designed to get ahead of. Joe Peiser, Aon’s CEO of Risk Capital, frames the shift in similarly ambitious terms. Digital infrastructure, he says, has become “one of the most important and capital-intensive asset classes in the global economy,” and expanding DCLP to $5 billion is meant to demonstrate Aon’s ability to help clients “access capital, manage risk and scale with confidence.”
A capacity build that has moved in increments
The jump to $5 billion is not a one-off. Aon has been raising the ceiling on DCLP in stages: the program’s capacity previously stood at $3.5 billion after an earlier round of enhancements that also widened support for data centres already in operation, not just those under construction. That incremental build mirrors a broader theme in Aon’s business: data centre demand has been showing up increasingly in the broker’s own numbers, reinforcing why the segment has become a priority for capacity expansion rather than a one-time promotional program.
For clients, the practical takeaway is that DCLP is best read as a moving baseline rather than a fixed ceiling, one that has already scaled twice in less than a year and is likely to keep expanding as the underlying asset class grows.
