James H. Miller Jr. Electric Generating Plant

James H. Miller Jr. Electric Generating Plant, also known as Miller Steam Plant or Plant Miller, is a coal-fired electrical generation facility sitting on approximately 800 acre in West Jefferson, Alabama.

The plant has four units, the first of which opened in 1978. Additional units commenced operation in 1985, 1989, and 1991, respectively. Each unit has a capacity of 705.5 MWe (660 MWe net). The plant contains two natural draft cooling towers.

The James H. Miller Jr. Plant was cited by The Weather Channel and the Environmental Protection Agency in 2017 as the largest emitter of greenhouse gases in the United States.