$SEI builds and operates power systems for data centers and other high-demand customers. Solaris priced $1.25 billion of 7% senior notes due 2032 on Sept. 22, w

$SEI builds and operates power systems for data centers and other high-demand customers. Solaris priced $1.25 billion of 7% senior notes due 2032 on Sept. 22, with proceeds earmarked for growth capex and general corporate needs; the offering is expected to close Oct. 1. That funds expansion, but it …