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Wall Street has packaged AI's electricity appetite into a $61 billion bond market, with outstanding data-center securitizations jumping from roughly $4 billion in 2020 to $61 billion through July 2026, according to Structured Finance Association research drawing on Barclays data. The bonds are repaid from rent and service fees paid by data-center tenants after electricity, taxes, maintenance, and insurance are paid, meaning power prices and deliverable megawatts carry as much weight as tenant credit itself. In February, S&P assigned an A(sf) rating to Sabey Data Center Issuer's $475 million 2026-1 notes, backed by real estate and tenant lease payments.
Why it matters
The structure reframes the data center as a fixed-income asset class whose real collateral is a reliable stream of electricity delivered to a creditworthy computing customer. Lawrence Berkeley National Laboratory's 2025 update estimates US data centers could consume 649 terawatt-hours in 2030 under its reference case, equal to 11.8% of total US electricity use, with the wider model range running 521 to 843 TWh depending on chip shipments, cooling performance, and equipment life. That wide band captures how far the industry's power needs could swing during the life of a long-dated security, and bondholders are underwriting the spread. Higher-density chips lift revenue but force electrical and cooling retrofits that an ordinary office mortgage never has to absorb.
Market impact
The SEC's Office of Structured Finance ruled on July 29 that data-center securitizations matching Latham's described structure fall outside the Exchange Act definition of an asset-backed security, exempting qualifying deals from the federal 5% risk retention rule, Rule 192's conflict-of-interest bar, and certain repurchase and due-diligence disclosure requirements. The carve-out is expected to lower issuance costs and accelerate a market that already accounts for roughly 12% of esoteric ABS issuance in 2026, up from 3% in 2020, and about 6% of single-asset, single-borrower CMBS. Morgan Stanley estimates $2.9 trillion in global data-center spending through 2028, with roughly $1.5 trillion needing external finance; Barclays projects outstanding data-center securitizations could reach $180 billion by the end of 2028, leaving corporate debt, bank loans, project finance, private credit, and equipment lending to fill the rest.
Frequently asked questions
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How big is the AI data-center bond market?
Outstanding data-center securitizations reached roughly $61 billion through July 2026, up from about $4 billion in 2020, according to Structured Finance Association research drawing on Barclays data.
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Why did the SEC exempt data-center securitizations from ABS rules?
On July 29, the SEC's Office of Structured Finance agreed that data-center securitizations matching Latham's described structure fall outside the Exchange Act definition of an asset-backed security, because the issuer still owns and operates the facility after the notes are repaid.
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What powers these bonds, tenant rent or electricity?
Both. Repayment flows from tenant lease and service payments after electricity, taxes, maintenance, and insurance, so power prices and deliverable megawatts can shape the bond almost as much as tenant credit.
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How much external financing does the AI data-center buildout still need?
Morgan Stanley estimates $2.9 trillion in global data-center spending through 2028, with roughly $1.5 trillion needing external finance. Barclays projects data-center securitizations could reach $180 billion by end-2028.
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What risks do data-center bondholders carry that ordinary real-estate investors don't?
Delayed grid connections postpone lease revenue, concentrated tenants can renegotiate or leave, electricity costs can compress cash for debt service, and denser chips can force expensive electrical and cooling retrofits over the life of a long-dated security.
Benjamin Cowen
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