May 4, 2023--Written by John Egan for Industrial Info Resources (Sugar Land, Texas)-- NiSource Incorporated (NYSE:NI) (Merrillville, Indiana), a holding company whose electric and gas utility units serve 3.2 million customers in six states, plans to make investments of about $15 billion over the 2023-2027 period, and has opportunities to double that to $30 billion over 10 years, company officials said on an earnings call May 3.