Performance and Cost Assessment of a Natural Gas-Fueled Direct sCO2 Power Plant
- National Energy Technology Lab. (NETL), Albany, OR (United States)
- KeyLogic, Morgantown, WV (United States)
This final report details the cost and performance baseline developed at NETL for a natural gas-fueled direct sCO2 plant, which holds promise as an efficient, cost-effective method of power production with carbon capture and storage (CCS). The steady state plant model includes turbine cooling flows based on a semi-empirical cooling model, and thermal integration with the air separation unit and oxygen compression train. Discussion of the performance of the baseline plant design is followed by details on the costing methodology, overall plant capital cost, and resulting cost of electricity (COE). Performance results yield a baseline sCO2 plant thermal efficiency of 48.2% (HHV) with 98.2% carbon capture, an improvement over the reference NGCC plant with CCS (45.7% and 90.7% carbon capture). Cost analyses yield a 5% reduction in COE versus the NGCC plant, albeit with significant uncertainty. Finally, the effects of incomplete combustion on the overall plant performance are assessed.
- Research Organization:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
- Sponsoring Organization:
- USDOE Office of Fossil Energy (FE), Office of Clean Energy Systems (FE-22)
- DOE Contract Number:
- FE0025912
- OSTI ID:
- 1503567
- Report Number(s):
- NETL-PUB-22274
- Country of Publication:
- United States
- Language:
- English
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