# The Impact of China's Carbon Market on the Decarbonization of the Coal Power Industry: An Approach Considering Long‐Term Carbon Net Expenditures

## TL;DR

This study examines how China's carbon market can help reduce emissions from coal power plants by analyzing long-term costs of decarbonization technologies.

## Contribution

The study introduces a new metric, long-term carbon net expenditure, to evaluate the economic feasibility of decarbonization projects in the coal power industry.

## Key findings

- Retrofitting coal units for biomass co-firing becomes economically viable by 2043.
- Carbon capture retrofitting becomes viable by 2047.
- Long-term carbon market development is crucial for these decarbonization efforts.

## Abstract

Coal‐fired power industry is a major carbon emitter which is responsible for global warming. The carbon market is an important tool to decarbonize the coal‐fired power industry. This study extends the cited Chinese literature on how carbon net expenditures impact investments at the technology level. A metric, the long‐term carbon net expenditure, is introduced to estimate the carbon net expenditure of decarbonization projects throughout their service life. The analysis suggests that retrofitting existing coal‐fired power units for biomass co‐firing will become economically feasible from 2043, and implementing carbon capture retrofitting will be viable from 2047. Enhancing the carbon market's long‐term development path is essential to promoting these decarbonization efforts.

The analysis framework of the impact of long‐term carbon net expenditure on the investment decisions of coal‐fired power units.