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Blackstone Management Partners L.L.C. / Blackstone Credit & Insurance

Blackstone-led group commits capital to Williams Power Innovation joint venture

July 13, 2026 primary Manager profile

Summary: Williams announced that it signed an agreement for a Blackstone-led group to invest $5.34 billion of committed capital in Power Innovation, a joint venture tied to power-infrastructure projects. The announcement says funds managed by Blackstone Credit & Insurance are leading the investment, in partnership with Apollo and insurance vehicles/accounts managed by KKR, for a 49% noncontrolling equity interest while Williams retains 51% and commercial and operational control.

Why it matters: The update may matter to due-diligence readers as a large private-capital infrastructure and energy-transition activity signal, while the source should not be read as evidence of project returns, credit quality, power-demand durability, valuation, fund exposure, or investment merit.

9AT filing context: Use only broad public adviser/profile context for Blackstone Management Partners L.L.C. All Power Innovation, committed-capital, ownership, control, Apollo, KKR, Williams, and project facts must remain attributed to the Williams/Blackstone announcements.

Summary

Williams announced on July 13, 2026, that it signed an agreement for a Blackstone-led group to invest $5.34 billion of committed capital in Power Innovation, a joint venture connected to power-infrastructure projects. Williams says the group is led by funds managed by Blackstone Credit & Insurance, in partnership with Apollo and insurance vehicles/accounts managed by KKR.

The Williams and Blackstone announcements say the investor group will receive a 49% noncontrolling equity interest, while Williams will retain a 51% interest and commercial and operational control of the Power Innovation business. This draft treats those transaction terms as announcement facts and does not infer closing status, fund-level exposure, project economics, customer demand, credit quality, expected returns, valuation quality, or investment merit.

Why it matters

For due-diligence readers, the useful signal is that a large private-capital group led by Blackstone Credit & Insurance is being tied publicly to a multibillion-dollar power-infrastructure joint venture with an operating-company sponsor retaining control. That can help readers track where large alternative-asset platforms are participating in infrastructure, energy, and credit-adjacent capital formation, while also separating capital-commitment announcements from realized project outcomes.

The signal is bounded. The sources support the signed-agreement, committed-capital, ownership-interest, named-partner, and Williams-control facts, but they do not independently establish the quality of the projects, the durability of end-market demand, financing economics, regulatory outcomes, future utilization, participating fund exposure, investor outcomes, or the suitability of any strategy.

Source notes

9AT filing context

For broad identity and platform background only, public adviser/profile context reviewed for this cycle identifies Blackstone Management Partners L.L.C. as a registered-adviser platform associated with blackstone.com, CRD 289202 / SEC file 801-111810, approximately $1.35 trillion in reported ADV AUM, approximately $788.9 billion in reported total private-fund gross asset value, about 1,203 private funds, and a 2026-05-05 ADV/profile submission date. The reviewed profile context also includes multiple Blackstone adviser entities across infrastructure, credit, BDC, CLO, private-equity, real-estate, hedge-fund, securitized-asset, and related strategies.

That context is useful only as broad Blackstone platform identity background. It should not be used to identify the specific Power Innovation transaction vehicle, to map Apollo or KKR insurance accounts, to attribute any listed private fund to the joint venture, or to infer project economics, expected returns, credit quality, leverage, customer demand, regulatory status, valuation, performance, or allocation merit.

This draft omits 13F and Form 5500 context. The safe data handoff found no direct 13F filing history for the mapped Blackstone adviser identity, and a public-equity holdings snapshot would not validate a private infrastructure and power-project joint venture. Form 5500 context is not useful here because the update is not a retirement-plan sponsor, plan-mandate, OCIO, or ERISA-plan filing item.

What to watch

Watch for future Williams, Blackstone, Apollo, KKR, regulatory, financing, lender, project-level, or closing disclosures that clarify the transaction close, participating vehicles, project scope, governance, financing structure, operating responsibilities, and how committed capital is deployed. Future coverage should keep claims about power demand, data-center or industrial load, project economics, credit quality, and investor outcomes tied to fresh public sources rather than deriving them from the initial joint-venture announcement or adviser-profile context.

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