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NETL’s Updated Performance and Cost Estimates for Power Generation Facilities Equipped with Carbon Capture

The National Energy Technology Laboratory recently updated its study titled Cost and Performance Baseline for Fossil Energy Plants, Volume 1: Bituminous Coal and Natural Gas to Electricity. This study presents an independent assessment of the performance and cost for state-of-the-art fossil energy power systems using a systematic, transparent technical and economic approach. Each plant is presented both with and without carbon capture. The primary purpose of this revision is to update the performance and cost assumptions for the solvent-based post-combustion capture systems used with natural gas combined cycle (NGCC) and pulverized coal (PC) plants, based on a 2021 vendor quote. Historically, this study reported the performance and cost for only 90% capture systems. In addition to 90% capture systems, this update incorporates 95% capture cases as the industry standard for both NGCC and PC plants equipped with carbon capture. The highest capture rate cases (97% NGCC, 99% PC) are included in an appendix - although technoeconomic analyses of deep decarbonization of combustion flue gas have been published by others, the relatively limited experience with design and operation of capture systems that can routinely, reliably, and economically achieve very high removal rates requires further study. Beyond the significant update to the post-combustion capture system representations, this revision also incorporates H-class NGCCs, in addition to the existing F-class machines.

Feb 2, 2023 01:00 PM in Eastern Time (US and Canada)