The Anomaleum is a tower part of the power plant.
The Matrix Resurrections (2021)
Rama Kandra made the plans for the Anomaleum for the Analyst, and gave the plans to his daughter, Sati, before being deleted. The original purpose of the tower was to resurrect Neo and Trinity in order to study the human race. The Anomaluem was first seen in the film when Neo wakes from the Matrix for a second time, before being taken to the Mnemosyne by Octacles and Cybebe. The tower was the place where the Mnemosyne's crew attempts to free Trinity from the Matrix, with Sati leading the heist/rescue.