NiSource Inc. Announces Long-Term Agreement With Microsoft Expected To Increase Customer Savings And Support Indiana?s Economic Growth
NiSource Inc. has signed a 20-year energy agreement with Microsoft for its Indiana campus. The deal is expected to increase customer savings to $1.75 billion, or $140 per customer annually, and add 1,100 MW to the GenCo-owned pool portfolio. Microsoft will fund all generation and transmission required, with 600 MW of battery storage to be developed by AGP Group.
How this was made
The 30-second read
Why it matters
The agreement secures a stable, long‑term revenue stream for NiSource and underscores the utility’s role in supporting high‑energy‑consumption tech assets.
Market read
First disclosure of a sizable, multi‑year utility contract with a major tech client, likely to influence NiSource’s stock outlook.
What to watch
Potential regulatory or rate‑change risks could affect the profitability of the long‑term deal.
Background
NiSource (ticker NI) is a U.S. utility serving Indiana; Microsoft is expanding its data‑center footprint in the state.
Ticker impact
NiSource announced a new 20‑year energy agreement with Microsoft, adding ~1,100 MW and projecting $1.75 B in customer savings.
likely upward pressure as investors price in the long‑term revenue and savings benefits
First‑report of a multi‑year deal with a marquee tech client; material scale for a mid‑cap utility.
Market effects
Highlights growing demand for utility power from data‑center operators, may boost outlook for other utility providers serving large‑load customers.
Positive for Indiana’s energy market and related infrastructure investors.
Shows continued partnership between tech firms and utilities, reinforcing trends in renewable and reliable power supply.
Counterpoint
If the contract’s pricing assumptions prove optimistic, the anticipated savings could be overstated, limiting upside.
Key entities
- companyNiSource Inc.
U.S. utility company (ticker NI) entering a 20‑year power supply contract with Microsoft.
- companyMicrosoft Corp.
Tech giant acquiring long‑term electricity supply for its Indiana data center.

