NiSource has committed to a new longterm energy agreement with a subsidiary of

Alphabet to support development and operation of a large-scale data centre in northern Indiana while providing benefits to customers and communities.

This marks the second major agreement leveraging NiSource’ s NIPSCO Generation LLC GenCo model, designed to deliver value to existing customers while attracting economic development to Indiana.

“ Our strategy focuses on protecting customers from projectrelated cost increases while supporting responsible growth and reliable energy solutions,” said NiSource CEO, Lloyd Yates.

Service for Alphabet is expected to begin in summer 2026, with capacity supplied through a GenCo-owned portfolio and market purchases, enhancing transmission, reliability and resilience.

Stellium Datacenters, a UK high performance computing( HPC) data centre, has cut its carbon emissions by three quarters while easing pressure on the electricity system, offering a blueprint for how the fast growing AI sector can expand without overwhelming the grid.

The company has switched to a new way of sourcing electricity which matches its power use with renewable generation hour-byhour, rather than relying on annual averages.

The move comes as data centres face mounting scrutiny over their energy use, with concerns growing that AI and cloud computing could strain local grids and push up energy costs. That scrutiny has intensified in recent months, with MPs launching an inquiry through the Environmental Audit Committee into the environmental impact of data centres, including their growing electricity and water use and the pressure they place on local grids.

Working with renewable energy supplier Good Energy, Stellium now runs its site on a 100 % renewable, hourly matched electricity supply, linking consumption directly to power generated by more than 3,300 independent UK renewable generators.

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