Kemper IGCC, Delayed Again, May Not Be Economically Viable
Southern Co.’s Kemper County integrated gasification combined cycle (IGCC) project, stricken by steep cost increases and an in-service date delayed again to mid-March, isn’t economically viable in the face of projected long-term natural gas prices, the company said.
Southern Co. subsidiary Mississippi Power reported that integrated operation of the facility’s two gasifiers and combustion turbines has “continued for periods” since late January. In the past month, the project has also captured carbon dioxide and placed it in the pipeline for use in enhanced oil recovery.
However, the company was once again forced to adjust the project’s schedule after Mississippi Power determined that an outage was needed to remove ash deposits from Gasifier B’s ash removal system. The gasifier has been producing syngas 60% of the time since November 2016. During the outage, Gasifier A and one combustion turbine are expected to remain operational, continuing to produce power as well as sulfuric acid and ammonia as designed. But the full IGCC project won’t be placed into service until mid-March.…