# Alliant Energy revision history

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

Company: [Alliant Energy](/companies/alliant-energy.md)

## Recorded posture

- First recorded event: 2026-10-30
- Last editorial change: 2026-10-30
- Material event count: 0
- Editorial event count: 1

## 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. To restate a recorded change, write a new event through the updateEntityField chokepoint.

_Canonical URL: /companies/alliant-energy/history. REST: /v1/companies/68d25c06-8570-4f58-ad9f-035324623193/history. HTML: [/companies/alliant-energy/history](/companies/alliant-energy/history)._