The Verdigris Complex near Claremore, Oklahoma, produces ammonia and urea ammonium nitrate and is operated by Terra Nitrogen, Limited Partnership, which CF Industries Holdings owns through subsidiaries. A 2023 proposal envisioned a 100-megawatt electrolysis plant at the site.

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Overview

The Verdigris Complex is located northeast of Tulsa, Oklahoma, on 800 acres. Its products are ammonia and urea ammonium nitrate (UAN), with annual capacity of up to 2.3 million tons of nitrogen products. The facility consists of two ammonia plants, two nitric acid plants, two UAN plants and a port terminal.

Profile

Electricity and grid: The proposed project envisioned a jointly owned 100-megawatt electrolysis plant at the Verdigris Complex powered by a dedicated 450-MW renewable energy facility developed by NextEra Energy Resources. A final investment decision had not been made for the project. Public Service Company of Oklahoma planned to rebuild an aging transmission line in southwestern Rogers County near the complex.

Ownership and permits: Terra Nitrogen, Limited Partnership owns and operates the Verdigris facility, and CF Holdings owns 100% of its general and limited partnership interests through subsidiaries. The facility operates under Oklahoma DEQ Permit No. 2011-006-TVR2 (M-10), issued July 18, 2019, and is a major source for Prevention of Significant Deterioration.