NiSource, Microsoft ink deal to power La Porte data center campus
NiSource Inc. signed a 20-year deal with Microsoft to provide 1,100 megawatts of power to Microsoft's $1 billion La Porte data center campus, starting in 2028. The agreement aims to save NIPSCO customers up to $140 annually. Microsoft will cover all costs, and NiSource's subsidiary GenCo will handle the power supply, including 600 megawatts of battery storage.
How this was made
The 30-second read
Why it matters
The agreement secures a long‑term revenue stream for NiSource and demonstrates Microsoft’s strategy to internalize power costs for data‑center reliability.
Market read
First‑report of a multi‑billion‑dollar power contract linking a utility and a major tech firm, indicating strong demand for dedicated energy in data‑center growth.
What to watch
Potential regulatory or environmental challenges to building new generation capacity could affect project timelines.
Background
NiSource (NUS) created a subsidiary, GenCo, to isolate large‑load customers and protect existing ratepayers. Microsoft is expanding its data‑center footprint with a $1 billion campus in La Porte, Indiana.
Ticker impact
Microsoft signed a long‑term power purchase agreement with NiSource for its $1 billion La Porte data‑center campus.
neutral to slightly positive as the deal locks in supply and avoids rate‑payer cost pressure.
The deal is a supply‑side arrangement; it does not affect Microsoft’s revenue or profit directly.
Market effects
Highlights growing demand for dedicated power in data‑center expansion, benefiting utility and energy‑service sectors.
Boosts confidence in Indiana’s industrial investment climate and may attract further tech projects.
Shows continued growth of cloud infrastructure and the importance of secure, long‑term power contracts.
Counterpoint
If the power cost escalates or the data‑center faces delays, the contract could become a liability for NiSource.
Key entities
- CompanyNiSource Inc.
U.S. utility providing electricity to northern Indiana.
- CompanyMicrosoft Corp.
Technology giant expanding its data‑center capacity.



