Power Magazine
Search

The Role of Carbon Capture in Power Generation: Economic, Environmental, and Technological Insights

By Nimesh Khadka

As the global energy landscape evolves towards renewable sources, electric utilities and power plant operators are increasingly focused on effective carbon management to mitigate their environmental impact. Carbon capture utilization and storage (CCUS) has become essential in this context, particularly in monitoring carbon dioxide (CO2) emissions from power generation processes.

Recent projections highlight the growing importance of CCUS in the global energy transition. In 2023, the announced capture capacity for 2030 increased by 35%, while the announced storage capacity surged by 70%. These increases bring the total potential CO2 capture capacity to around 435 million tonnes (Mt) per year by 2030, with storage capacity reaching approximately 615 Mt of CO2 annually. This growth demonstrates the growing role of CCUS in supporting future carbon management objectives.

While CCUS technologies are often associated with capturing emissions, embracing comprehensive monitoring solutions is equally critical. These systems ensure compliance with environmental regulations, enhance transparency, and promote accountability in emissions management. Facilitating precise measurement and reporting of carbon emissions not only supports regulatory compliance but also helps utilities optimize operations and build trust with stakeholders.

Significance of Carbon Capture Technologies

CCUS technologies are essential in the global effort to reduce greenhouse gas emissions, particularly from power generation. By capturing CO2 emissions from power plants and industrial facilities, CCUS prevents large amounts of carbon dioxide from entering the atmosphere, playing a critical role in mitigating climate change. With the ability to capture more than 90% of CO2 emissions, these technologies are vital for achieving the significant reductions in emissions required to meet global climate goals.

Monitoring the CO2 released across various stages of industrial production is equally important, ensuring successful containment and verifying the integrity of long-term storage. This process also involves analyzing the composition of captured CO2, as impurities can create acidic conditions that could corrode pipelines or compromise storage facilities. Therefore, the effectiveness of CCUS systems depends on maintaining high-purity CO2, directly impacting the efficiency of its utilization in various applications.

Beyond emissions reductions, CCUS technologies also support the transition to cleaner energy sources. According to the Center for Climate and Energy Solutions, carbon capture could contribute up to 14% of the global greenhouse gas emissions reductions needed by 2050. For electric utilities, CCUS provides a clear pathway to decarbonization, enabling them to reduce their carbon footprints while continuing to supply reliable power. As regulatory pressures intensify and consumer demand for cleaner energy grows, adopting CCUS technologies will be crucial for utilities to meet both legal requirements and broader sustainability expectations.

Reframing the Economic and Environmental Case for CCUS

While the environmental benefits of CCUS technologies are clear, misconceptions about its economic feasibility persist. A common argument against CCUS is that it is too expensive and impractical for widespread adoption. Critics contend that the high upfront costs discourage utilities from investing, while others claim that CCUS only delays the transition to renewable energy. These views overlook CCUS’s role as a complementary strategy that supports a gradual shift toward cleaner energy.

In reality, although the initial costs of CCUS technologies can be significant, the long-term economic benefits far outweigh the investment. For example, captured CO2 can be repurposed into valuable products, such as chemicals, fuels, and building materials, creating new revenue streams and enhancing the financial viability of CCUS projects. Rather than hindering renewable energy adoption, CCUS enables utilities to reduce emissions while continuing to meet energy demand, offering a practical solution that integrates emission reductions into existing infrastructure without the need for costly overhauls.

However, despite its clear advantages, widespread CCUS adoption still faces challenges. In addition to cost concerns, integrating these technologies into existing power generation systems can be technically complex, requiring specialized expertise. To overcome these barriers, collaboration between governments, the private sector, and research institutions is essential. These partnerships can help share financial burdens and accelerate innovation. As technology improves, both capital and operational costs are expected to decrease, making CCUS more accessible and cost-effective.

Ultimately, CCUS plays a crucial role in achieving global sustainability goals. As a transitional technology, it helps reduce emissions in the short term while supporting the scaling up of renewable energy sources. By capturing CO2 from existing fossil fuel infrastructure, utilities can continue to provide reliable power and smooth the integration of renewable sources, ensuring a more resilient and sustainable energy future. Beyond its environmental benefits, CCUS also generates new economic opportunities, solidifying its position as a vital tool in the fight against climate change.

Emerging Trends in Carbon Capture and Utilization

The integration of digital technologies, including cloud computing and advanced data management platforms, is transforming the way CCUS are monitored. These innovations enable more efficient data collection, analysis, and sharing, improving transparency and enhancing decision-making among stakeholders.

One notable development is the integration of in-line systems that adapt traditional, lab-based techniques, such as Raman spectroscopy, for use in industrial settings. This innovation enables real-time monitoring in aqueous environments, offering valuable insights into the efficiency of CO2 capture and storage processes. By allowing for more precise tracking of CO2 levels, these technologies help optimize CCUS operations, improve performance, and support more effective long-term carbon management strategies. Tools like Fourier-transform infrared (FTIR) spectroscopy and Raman spectroscopy are particularly important in this context, offering non-contact, real-time measurements of CO2 concentrations and detecting impurities that could threaten the integrity of storage facilities and pipelines.

In addition to these monitoring advancements, sequestration techniques using concrete are being developed to absorb CO2 from the atmosphere gradually, further promoting sustainable construction practices. Meanwhile, efforts to utilize captured CO2 focus on converting it into valuable products, contributing to a circular carbon economy.

The Path Forward: Leveraging CCUS for a Sustainable Energy Future

CCUS technologies are integral to the successful transition of electric utilities and power plant operators toward sustainability, serving as a cornerstone for effective carbon management and regulatory compliance. By capturing substantial amounts of CO2 emissions, CCUS plays a critical role in achieving global climate targets and advancing decarbonization efforts. It also helps address lingering misconceptions about the economic viability of carbon capture and its impact on the broader shift to renewable energy.

As emerging technologies continue to improve, particularly in monitoring and emissions management, the accuracy and reliability of CCUS systems will further enhance their effectiveness. Collaboration between governments, private sector partners, and stakeholders is essential to overcoming the financial and technical barriers to CCUS adoption. These partnerships will accelerate the development and deployment of cost-effective solutions, ensuring the wide-scale implementation of CCUS technologies. Ultimately, CCUS supports broader environmental sustainability goals by fostering a circular economy, optimizing resource use, and providing a clear pathway for utilities to maintain a reliable, low-emissions energy supply while increasingly integrating renewable energy sources into their portfolios.

Nimesh Khadka, PhD​, is a senior product application specialist at Thermo Fisher Scientific​. Khadka specializes in analytical biochemistry, spectroscopy, and chemometrics.