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Post-combustion carbon dioxide capture cost reduction to 2030 and beyond.
B Adderley1, J Carey2, J Gibbins1
1UK CCS Research Centre, University of Sheffield, UK. jon@ukccsrc.ac.uk.
Faraday Discussions
|August 2, 2016
Summary
Post-combustion carbon dioxide (CO2) capture is crucial for low-carbon power generation. Achieving commercial readiness and innovation in natural gas combined cycle plants is key to reducing costs and ensuring future viability.
Area of Science:
- Energy policy and technology
- Environmental engineering
- Carbon capture utilization and storage (CCUS)
Background:
- Post-combustion carbon dioxide (CO2) capture (PCC) is a key technology for reducing emissions from power generation.
- Natural Gas Combined Cycle (NGCC) plants are expected to be a significant part of the UK's energy infrastructure, requiring low-carbon solutions.
- Retrofitting PCC is possible for certain existing facilities, broadening its applicability.
Purpose of the Study:
- To evaluate the role and economic viability of PCC in new UK NGCC plants planned for the 2020s-2030s.
- To identify cost reduction pathways for NGCC plants with PCC, focusing on the transition from 'first of a kind' (FOAK) to 'nth of a kind' (NOAK) implementations.
- To assess the impact of energy penalties and technical readiness on the overall cost-effectiveness of PCC.
Main Methods:
- Analysis of cost projections for NGCC plants with PCC, comparing them to other low-carbon generation sources.
- Examination of the economic benefits of achieving 'nth of a kind' (NOAK) status through reduced financing and capital costs.
- Assessment of the influence of commercial readiness, technical readiness, and innovation in sub-processes on cost reduction.
Main Results:
- Costs for NGCC with PCC are potentially comparable to nuclear or renewable energy sources with storage, especially with anticipated lower gas prices.
- Significant cost reductions are achievable by moving from FOAK to NOAK implementations, driven by reduced financing and capital expenditures.
- Focusing on commercial readiness and innovation in sub-processes offers greater cost reduction potential than solely reducing the energy penalty.
Conclusions:
- Commercial readiness and innovation are paramount for cost-effective financing and the widespread adoption of NGCC+PCC.
- While energy efficiency improvements are beneficial, the primary drivers for cost reduction lie in manufacturing, project execution, and operational improvements.
- PCC represents a viable and potentially cost-competitive low-carbon solution for future natural gas power generation, particularly when focusing on achieving NOAK status.
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