![]() NiSource NiSource is an energy holding company which operates as a regulated natural gas and electric utility company. | ![]() Fortum Fortum is an energy company that operates power plants that use renewable energy sources to sell electricity, heat, cooling, and power products and services. | |
Founding Date | Founding Date 1912 | Founding Date 1998 |
Type | Type Public | Type Public |
Tags | ||
Locations | Locations Merrillville, US HQ Canonsburg, US Chester, US Columbus, US Lexington, US Westborough, US | |
Employees | Employees 7,1172% decrease | Employees 4,451 |
Valuation ($) | Valuation ($) 15.4 b | Valuation ($) 13.8 b |
Financial | ||
Revenue (est.) | Revenue (est.) $6.5b (FY, 2025) | Revenue (est.) €5b (FY, 2025) |

Fortum is an energy company that operates power plants that use renewable energy sources to sell electricity, heat, cooling, and power products and services.
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