NiSource Inc. has published strong fourth-quarter results for 2025, with an operating earnings per share (EPS) of $0.51, exceeding estimates and showing growth from the previous year. The firm reported a net income of $257.8 million, contributing to a total profit of $929.5 million for the year on revenues of $6.61 billion. Additionally, NiSource is honing in on future expansion with a proposed investment of approximately $28 billion aimed at enhancing infrastructure and achieving a projected compound annual growth rate of 8-9% through 2033.