The data-center capital stack now prices one tenant

When Liberty Global agreed in early September to sell its $778 million tower portfolio to DigitalBridge, the 16.2x multiple it accepted attached to one tenant's lease in one country rather than to a diversified book of tower cash flows.

PWD's tracking logs the transaction, announced Sept. 8 among DigitalBridge, Liberty Global, TD Greystone Infrastructure, VodafoneZiggo and L&G, with Liberty Global shedding the infrastructure before a listing and taking cash now rather than holding an asset whose underwriting rests on a single contract—the buyers are underwriting the lease that matters rather than a spread of expiries, concentration risk priced as safety.

In Spain, Hscale, the Bain-backed developer, has locked in a $1 billion hyperscaler contract for Spanish capacity, but the tenant is unnamed, which makes the contract an obligation to build rather than a credit an underwriter can price today; 2027 is the moment the contract must become an operating asset.

Where the offtaker is named and priced, financing follows: Google's 97-megawatt Finnish wind PPA with Valorem is a bankability event not because 97 megawatts is large but because a priced corporate offtaker turns the project into financeable infrastructure.

Capacity with no buyer attached sits on the other side of the ledger—Nvidia's target of 2 gigawatts of Australian capacity by 2027, spread across eight partners, arrives with no named tenant and therefore no lease to underwrite.

JD Cloud and Moore Threads plan a 100,000-GPU domestic deployment, a tenfold scale-up on domestic silicon, but the announcement carries no site, no power arrangement and no named customer, which reads as intent rather than an underwritable asset.

The gap between those two columns is now the rule: digital infrastructure financing has narrowed to single-credit underwriting, so named offtakers command financed capacity while merchant builds wait for a lease that does not yet exist.

J.P. Morgan estimates hyperscaler capex at $697 billion while the count of planned data center projects nearly tripled over five months, a level of investment the market is cheering but single-credit underwriting cannot yet absorb; power is the operational bottleneck, the financing gate arrives earlier.

A $697 billion pipeline creates a queue of developers hunting tenants to unlock capital, and the 16.2x tower deal is the price of entry to the financed side of that market: pay up for single-credit certainty, or build merchant and wait.

Even the most capitalized projects feel the same gate. Project Braid, the Google and Blackstone cloud joint venture, has $5 billion and 29 sites, yet several US campuses are slipping, and the schedule is being written by transformers, governors and consent—capital is not the constraint; the path to a customer who can be underwritten is.

The same gap between declared capacity and priced obligation runs through energy approvals: Sungrow's 10-gigawatt-hour Egypt battery plant arrives without a capex figure, and Sonnedix's $1.3 billion Chile refinance arrives with no terms, progress notes rather than financing events.

A buildout financed on those terms will move more slowly than the headline capex suggests, because underwriters have made single-credit certainty the condition for capital. Watch Hscale's 2027 conversion and whether Nvidia's eight Australian partners find a named tenant before the capacity is built; those dates will show whether the single-credit discipline widens or merchant capacity must find a different capital base.