Solaris Energy Infrastructure Announces $1.25B 7.00% Senior Notes Offering

What Happened

• Solaris Energy Infrastructure, Inc. filed an 8-K on Sept. 22, 2026 announcing that its subsidiary, Solaris Energy Infrastructure, LLC (the Issuer), entered into a purchase agreement with MUFG Securities Americas Inc., as representative of the initial purchasers, to sell $1.25 billion aggregate principal amount of 7.000% Senior Notes due April 1, 2032 in a private placement under Rule 144A and Regulation S. The offering was upsized from an original $1.0 billion to $1.25 billion. The notes are being issued at par and the issuance is expected to close on October 1, 2026, subject to customary conditions.

Key Details

• Offering size: $1.25 billion (upsized from $1.0 billion).
• Coupon and maturity: 7.000% interest, due April 1, 2032.
• Net proceeds: approximately $1,227.2 million after discounts and estimated offering expenses.
• Use of proceeds: general corporate purposes, growth capital expenditures, and fees/expenses related to the offering; issuance backed by subsidiary guarantors.

Why It Matters

• This debt issuance increases Solaris Energy Infrastructure’s long-term debt capacity and provides roughly $1.23 billion in net cash that management plans to use for growth capex and general corporate needs. For investors, the new 7.00% notes affect the company’s interest expense profile and leverage through maturity 2032; the offering size and interest rate are key factors when assessing credit risk, liquidity and dividend sustainability. The transaction was documented by a purchase agreement (filed as an exhibit) and announced via a company press release.