Technical and economic analysis of the entire process of green ammonia co-firing in coal-fired units considering the policy subsidy mechanism

焦洋; 曹蕃; 张全军; 李敏; 周争昌; 白付明; 韩海峰; 宋寅; 王伟

doi:10.19666/j.rlfd.202506106

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Technical and economic analysis of the entire process of green ammonia co-firing in coal-fired units considering the policy subsidy mechanism

Thermal Power Generation Vol. 54, Issue 8, Pages: 42-49(2025)

更新时间：2026-08-11

- Technical and economic analysis of the entire process of green ammonia co-firing in coal-fired units considering the policy subsidy mechanism
- 作者机构：
  
  1. 中国大唐集团科技创新有限公司
  2. 大唐韩城第二发电有限责任公司
  3. 大唐陕西发电有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202506106
  CLC： X773;X196;TM621
- Published：2025
- 稿件说明：
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[1]焦洋,曹蕃,张全军,等.考虑政策补贴机制的燃煤机组绿氨掺烧全流程技术经济性分析[J],2025,54(08):42-49+60.
[1]焦洋,曹蕃,张全军,等.考虑政策补贴机制的燃煤机组绿氨掺烧全流程技术经济性分析[J],2025,54(08):42-49+60. DOI： 10.19666/j.rlfd.202506106.

DOI：10.19666/j.rlfd.202506106.

摘要

绿氨掺烧是燃煤机组低碳化改造的重要技术路线之一，目前制约绿氨掺烧项目推广的主要问题是绿氨制备、储运、掺烧全流程经济性不佳。基于此，以单台600 MW燃煤机组掺烧10%绿氨为例，对比分析了离网型/并网型光伏发电合成绿氨及掺烧项目的全流程技术经济性，并深入探讨了不同补贴机制（零碳电量补贴、绿氨生产补贴、碳减排补贴和低息贷款）对项目收益的影响。分析结果表明，煤价和碳税价格是影响项目经济性的主要因素，随着煤价和碳税价格升高，燃煤机组绿氨掺烧经济效益显著提高。补贴机制均对项目经济性有所提升，但效果依情景不同有所差异。低息贷款对项目经济可行性的提升效果最佳；而对于项目净现值NPV的变动，零碳电量补贴敏感度最高。

Abstract

Green ammonia co-firing is one of the important technical routes for the low-carbon transformation of coal-fired power units. Currently

the main problem restricting the promotion of green ammonia co-firing projects is the poor economic efficiency of the entire process from green ammonia production

storage and transportation to co-firing. Taking a single 600 MW coal-fired unit co-firing 10% green ammonia as an example

the technical and economic efficiency of the entire process of off-grid/on-grid photovoltaic power generation for green ammonia synthesis and co-firing projects is compared and analyzed. Moreover

the effects of subsidy mechanisms(zerocarbon electricity subsidy

green ammonia production subsidy

carbon emission reduction subsidy and low-interest loan) on project benefits are deeply discussed. The results show that

the price of coal and carbon tax is the main factor affecting the economic efficiency of the project. As the price increases

the economic benefits of green ammonia co-firing in coal-fired units are significantly improved. All subsidy mechanisms can improve the economic efficiency of the project

but the effects vary depending on the scenario. Low-interest loans have the best effect on improving the economic feasibility of the project

while zero-carbon electricity subsidies have the highest sensitivity to the change in the project's net present value(NPV).

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