MERRILLVILLE, Ind.–(BUSINESS WIRE)–NiSource Inc. (NYSE: NI) today announced that it will deliver $57.5 million in savings to its existing electric customers generated through data center development. Subject to regulatory approval, the average residential electric customer is expected to receive a monthly bill credit of approximately $5 for 18 months, beginning approximately 30 days after approval. The credit is an expansion of the value being driven through our NiSource GenCo model and is an