NiSource Signs Long-term Energy Deal With Microsoft In Indiana
NiSource (NI) signed a 20-year deal to supply power to Microsoft's (MSFT) Indiana campus, expanding customer savings to $1.75B. Service starts in 2028. NI shares rose 1.31% pre-market.
How this was made

The 30-second read
Why it matters
The deal is a material, first‑report contract for NiSource, likely supporting its stock price, while offering Microsoft a secured power source for its upcoming data center.
Market read
A fresh, sizable utility contract that moves NiSource shares and signals continued demand for power from tech firms.
What to watch
Potential regulatory or construction delays for Microsoft’s campus could defer the revenue stream.
Background
The article reports a newly disclosed, 20‑year power‑supply agreement between NiSource and Microsoft, including $1.75 B in projected customer savings and 1,100 MW of new generation assets.
Ticker impact
NiSource announced a 20‑year, $1.75 B customer‑savings contract to supply power to Microsoft’s new Indiana campus.
likely upside as investors price in the new contract and added generation assets.
The contract is a fresh, material disclosure (>$1 B) and the stock already rose 1.3% pre‑market on the news.
Microsoft is a party to the 20‑year power‑supply agreement with NiSource for its planned Indiana campus.
minimal impact; the news is a small operational detail for Microsoft.
Microsoft’s core business is unchanged; the contract is a modest cost‑saving measure.
Market effects
Highlights growing demand for utility power contracts tied to tech data‑center expansion, benefitting the utility sector.
May boost sentiment toward Mid‑west utility stocks as corporate customers seek long‑term power deals.
Shows how large tech firms are locking in renewable power, a trend relevant to global energy‑infrastructure investors.
Counterpoint
The contract’s long horizon could lock NiSource into fixed rates that may become uncompetitive if energy prices fall.
Key entities
- CompanyNiSource Inc.
U.S. utility that will supply power and build generation assets.
- CompanyMicrosoft Corp.
Technology giant building a new campus in northwest Indiana.

