Solaris Energy Infrastructure, Inc.'s stock surged 16.13% in after-hours trading on Monday, marking a significant upward movement for the renewable energy company.

The sharp rise follows the company's release of first-quarter 2026 financial results that exceeded analyst expectations. Solaris reported adjusted earnings per share of $0.44, beating the consensus estimate of $0.27, while revenue of $196.239 million surpassed the $182.160 million forecast. The company also announced it has signed a new 10-year agreement to provide over 600 MW of power capacity to a global technology customer, with deployments expected to begin in late 2026.

Further fueling investor optimism, Solaris raised its second-quarter 2026 adjusted EBITDA guidance to a range of $83 million to $93 million, up from the previous outlook of $76 million to $84 million. The company also provided third-quarter adjusted EBITDA guidance of $80 million to $95 million. Analyst sentiment improved as well, with Morgan Stanley raising its price target on the stock to $81 from $72.