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CCSとその他低炭素技術のコストについて—2011年課題の概要 NO.2
CCSとその他低炭素技術のコストについて—2011年課題の概要 NO.2

19th July 2012

Topic(s): Renewables, Economics, Carbon capture, use and storage (CCUS)

気候変動のリスク管理には、様々な産業分野にまたがる幅広い低炭素技術の開発や普及が必要とされる。 
450ppmという厳しい目標は、大気中のCO2を除去する技術やCO2回収貯留(CCS)技術などの産業由来のCO2排出を相殺することができる技術を結集させることによってのみ効率的に達成可能であると考えられる。 
本書は、発電事業に焦点をあて、大気へのCO2排出量削減の一役を担うと考えられる様々な技術のコストを検証する。 
グローバルCCSインスティテュートは、過去2年間にわたり、様々なCCS技術に関する最新のコスト研究を追跡調査し、報告してきた。CCS以外の低炭素技術に最新の研究をあてはめ、様々な技術に係るコストを、一貫した手法とこれら技術に内在する経済的な前提条件から算出した。本書で比較対象とする技術には、CCS、風力、原子力、太陽熱、太陽光発電などが含まれる。 
主な成果を以下に示す。 
・CCSは、電力部門におけるCO2排出削減手段として、他の低炭素技術よりも高い競争力がある。 
・水力発電と陸上風力発電は、電力部門からのCO2排出削減技術の中で最も低コストである。 
・比較的低コストであるこれらの技術が(利用可能性が限られているという理由により)開発され尽くされた場合又はこれら技術が利用できない国では、CCSが非常に高い競争力を持つようになる。 
・現在のCCS技術を導入した石炭火力発電所におけるCO2の排出低減又は排出防止に係るコストは、CO2 1トン当たり23~92米ドルで、天然ガス火力発電所のコストよりも若干高い。これに対して、洋上風力発電による削減コストはCO2 1トンあたり90~176米ドル、太陽熱では139~201米ドル、太陽光発電ではさらにそれを上回る。 
・特にCCSなどのまだ十分に成熟していない最新技術については、将来的にコストが下がることに留意する必要がある。 
・国際エネルギー機関(IEA)は、CCSを利用しない場合電気事業分野におけるCO2削減コストが70%以上高くなる可能性があることを示しており、上述の知見と一致する。

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Disclaimer

The content within the Global CCS Institute Publications, Reports and Research Library is provided for information purposes only. We make every effort and take reasonable care to keep the content of this section up-to-date and error-free. However, we make no claim as to its accuracy, currency or reliability.

Content and material featured within this section of our website includes reports and research published by third parties. The content and material may include opinions and recommendations of third parties that do not reflect those held by the Global CCS Institute.

The costs of CCS and other low-carbon technologies
The costs of CCS and other low-carbon technologies

2nd November 2011

Topic(s): Renewables, Economics, Carbon capture, use and storage (CCUS)

Managing the risks of climate change requires the development and adoption of a wide range of low-carbon technologies across many industrial sectors.

It is likely that the stringent targets of 450ppm can only be achieved efficiently with a portfolio of technologies that include options that have the potential for removing carbon dioxide (CO2) from the atmosphere as well as negating CO2 emissions from industrial sources, such as carbon capture and storage (CCS) technologies.

This paper focuses on the electric power generation industry, and examines the costs of different technologies that are expected to play a part in reducing carbon dioxide emissions to the atmosphere.

The Global CCS Institute has been tracking and reporting on the latest cost studies of various CCS technologies for the past two years. Together with recent studies into other low-carbon technologies, current cost estimates for a range of low-carbon technologies are compared including CCS, wind, nuclear, and solar thermal and solar photovoltaics. The comparison is done on an equivalent basis using a consistent methodology and underlying economic assumptions for the technologies.

The key findings are:

  • CCS is a competitive power sector emissions abatement tool when compared to other low-carbon technologies.
  • Hydropower and onshore wind technologies are among the least-cost technologies identified for reducing emissions from the power sector.
  • Once these relatively low-cost technologies options are fully exploited – because of limits in their availability – or in countries where these technologies are not an option, CCS becomes a very competitive option.
  • The cost of mitigating, or avoiding, CO2 emissions for a coal power plant fitted with current CCS technology ranges from US$23-92 per tonne of CO2 and is a little higher for natural gas fuelled power plants. This is compared to an avoided cost of US$90-176/tonne for offshore wind, US$139-201/tonne for solar thermal, and even more for solar PV.
  • It is important to note that the costs of new technologies that have not yet reached full maturity, such as CCS amongst others, will become lower in the future.
  • These findings are in line with International Energy Agency (IEA) estimates that identify that without CCS, abatement costs in the electricity sector could be higher by more than 70 per cent.

This edition is updated by The costs of CCS and other low-carbon technologies: 2015 update.

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Disclaimer

The content within the Global CCS Institute Publications, Reports and Research Library is provided for information purposes only. We make every effort and take reasonable care to keep the content of this section up-to-date and error-free. However, we make no claim as to its accuracy, currency or reliability.

Content and material featured within this section of our website includes reports and research published by third parties. The content and material may include opinions and recommendations of third parties that do not reflect those held by the Global CCS Institute.

CCS와 기타 저탄소 기술의 비용 – 간추린 이슈 2011, No. 2
CCS와 기타 저탄소 기술의 비용 – 간추린 이슈 2011, No. 2

1st November 2011

Topic(s): Renewables, Economics, Carbon capture, use and storage (CCUS)

기후변화 위험에 대응하기 위해서는 여러 산업 분야에 걸쳐 저탄소 기술의 다양한 개발 및 도입이 필요하다. 450ppm이라는 엄격한 기준을 효율적으로 달성하기 위해서는 대기 중 이산화탄소를 제거하고 산업원들이 배출하는 이산화탄소를 무효화 시키는 CCS 같은 다양한 기술들을 사용해야 할 것이다. 본 보고서에서는 온실가스 배출량이 가장 많은 분야인 발전(發電) 산업에 초점을 맞추었으며, 대기 중의 이산화탄소 배출량 감소에 기여할 것으로 예상되는 다양한 기술의 건설비, 운전비, 연료비 등 각 비용에 대해 조사했다. 글로벌 CCS 연구소는 최근 2년 간 각종 CCS 기술의 비용 연구에 대한 조사 및 보고를 수행해오고 있다. 풍력과 원자력, 태양열, 그리고 CCS 등을 포함한 저탄소 기술의 각 비용 견적이 비교되었다. 비교는 일관적인 방법론 및 기본적 경제 추정 방식에 의하여 동일한 기준 하에 이루어졌다.

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Disclaimer

The content within the Global CCS Institute Publications, Reports and Research Library is provided for information purposes only. We make every effort and take reasonable care to keep the content of this section up-to-date and error-free. However, we make no claim as to its accuracy, currency or reliability.

Content and material featured within this section of our website includes reports and research published by third parties. The content and material may include opinions and recommendations of third parties that do not reflect those held by the Global CCS Institute.

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