AES Indiana, formerly known as Indianapolis Power & Light Company, is an American utility company providing electric service to the city of Indianapolis. It is a subsidiary and largest utility of AES Corporation, which acquired it in 2001. AES Indiana provides electric service to more than 500,000 customers in a 528-square-mile (1,370 km2) service territory.

The AES Corporation is an American utility and power generation company. It owns and operates power plants, which it uses to generate and sell electricity to end users and intermediaries like utilities and industrial facilities. AES is headquartered in Arlington, Virginia, and is one of the world's leading power companies, generating and distributing electric power in 15 countries and employing 10,500 people worldwide. AES Corporation is a global Fortune 500 power company. AES Ranks in the Top Ten of Fast Company's 2022 Best Workplaces for Innovators.