A consortium led by Blackstone has agreed to invest $5.34bn in five power infrastructure projects owned by US energy operator Williams, according to Dow Jones Newswires. The funds come from Blackstone Credit & Insurance, in partnership with Apollo and alongside insurance vehicles and accounts managed by KKR, uniting three of the largest alternative‑asset managers in a single financing.

In exchange, the group receives a 49 % non‑controlling equity stake in the projects, while Williams retains a 51 % interest and maintains full commercial and operational control. Cash distributions follow ownership proportions, and any distributions that exceed Blackstone’s targeted return will reduce the investment balance, capping upside once the return threshold is met.

For Williams, the deal supplies efficient equity capital to fund project growth without diluting the corporate balance sheet or increasing debt. The involvement of insurance‑managed capital highlights how long‑duration, yield‑seeking pools are being deployed into contracted power assets, whose cash‑flow profiles match insurance liabilities, allowing large‑scale funding without assuming operating responsibility.

The transaction illustrates how alternative managers are financing the electricity build‑out, pairing a corporate operator’s expertise with third‑party equity. For Blackstone, Apollo, and KKR, the co‑invested position offers significant exposure to the power‑generation theme at a scale few individual balance sheets can match.