# NiSource x Microsoft (Indiana data center power) revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Partnership: [NiSource x Microsoft (Indiana data center power)](/partnerships/nisource-x-microsoft-indiana-power.md)

## Recorded posture

- First recorded event: 2026-10-16
- Last material change: 2026-10-16
- Material event count: 1
- Editorial event count: 0

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /partnerships/nisource-x-microsoft-indiana-power/history. REST: /v1/partnerships/54286ce2-6c90-4b1e-b01c-b429908d042f/history. HTML: [/partnerships/nisource-x-microsoft-indiana-power/history](/partnerships/nisource-x-microsoft-indiana-power/history)._