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TrustFinance Global Insights
Apr 16, 2026
2 min read
38

NiSource Inc. (NYSE:NI) shares increased by 3% in after-hours trading following the announcement of strategic energy agreements with subsidiaries of Alphabet Inc. and Amazon Data Services, Inc. These deals are set to support significant data center development in Indiana, signaling a major expansion in the region's digital infrastructure.
The company disclosed a new long-term energy agreement with an Alphabet subsidiary to power a large-scale data center in northern Indiana, with services scheduled to commence in the summer of 2026. This will be facilitated through NiSource’s NIPSCO Generation LLC, known as the GenCo model. Additionally, NiSource has expanded its existing agreement with Amazon Data Services, which will accelerate the energization of Amazon's sites and provide earlier-than-planned credits to residential customers.
The GenCo model is designed to attract economic development while benefiting current customers. NiSource projects that these agreements will lead to aggregate cost savings of approximately $1.25 billion for its existing customer base. This translates to an estimated annual saving of $90 to $115 for the average residential customer. Furthermore, NiSource will contribute $17 million to support local communities hosting the new data centers and generation facilities.
The total power portfolio to support these projects is expected to be approximately 340 MW from GenCo-owned assets, supplemented by up to 175 MW from seasonal market purchases. Investors and stakeholders are anticipating further operational and financial details, which the company has confirmed will be provided during its upcoming first-quarter earnings call.
Q: Why did NiSource stock increase?
A: The stock rose 3% after the company announced significant energy infrastructure agreements with Alphabet and Amazon to support new data center projects.
Q: How will these deals affect NiSource customers?
A: NiSource projects aggregate cost savings of approximately $1.25 billion, resulting in an estimated annual saving of $90-$115 for residential customers.
Q: What is the total power capacity for these projects?
A: The portfolio includes approximately 340 MW from company-owned generation, with the ability to purchase up to an additional 175 MW from seasonal markets to meet requirements.
Source: Investing.com

TrustFinance Global Insights
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