湖南瓦斯发电机组落地发力，变“废”为电，破解调峰+环保双重难题

　　Hunan gas power generation units have been put into operation, turning waste into electricity and solving the dual problems of peak shaving and environmental protection

　　高温酷暑下，湖南迎峰度夏保电压力持续攀升，而瓦斯发电机组的落地推广，成为湖南能源保供与绿色转型的“双向发力点”。作为煤矿瓦斯资源化利用的核心装备，瓦斯发电机组既能将煤矿开采中产生的有害瓦斯转化为清洁电力，破解瓦斯放空污染难题，又能凭借灵活调峰优势，缓解湖南电网调峰压力，填补新能源消纳缺口。近日，随着湖南多座煤矿配套瓦斯发电机组陆续投运，标志着湖南在瓦斯资源化利用与电力保供领域实现双重突破，为全省能源结构优化注入新动能。据数据显示，湖南煤系气资源量超5400亿立方米，集中分布在湘中、湘南矿区，瓦斯资源化利用率不足28%，瓦斯发电机组的推广应用，将大幅提升资源利用率，同时助力湖南“双碳”目标落地。

　　Under the scorching heat, the pressure to maintain electricity during the peak summer season in Hunan continues to rise, and the implementation and promotion of gas power generation units have become a "two-way driving force" for energy supply and green transformation in Hunan. As the core equipment for the utilization of coal mine gas resources, gas generator sets can not only convert harmful gas generated during coal mining into clean electricity, solve the problem of gas venting pollution, but also alleviate the peak shaving pressure of Hunan power grid and fill the gap in new energy consumption by virtue of flexible peak shaving advantages. Recently, with the commissioning of gas generator units in multiple coal mines in Hunan, it marks a dual breakthrough in the fields of gas resource utilization and power supply guarantee, injecting new momentum into the optimization of the province's energy structure. According to data, the coal bearing gas resources in Hunan exceed 540 billion cubic meters, concentrated in the central and southern mining areas of Hunan. The utilization rate of gas resources is less than 28%. The promotion and application of gas power generation units will greatly improve resource utilization and help Hunan achieve its "dual carbon" goals.

　　湖南之所以大力布局瓦斯发电机组，核心是破解“资源浪费、调峰紧张、环保压力”三大痛点。近年来，湖南新能源装机规模快速扩张，风电、光伏总装机已突破3700万千瓦，其中光伏占比超2500万千瓦，但新能源的间歇性的特征，导致电网调峰压力剧增，2024年湖南电网最大调峰电力达723万千瓦，今年上半年进一步攀升至800万千瓦。与此同时，湖南湘中、湘南矿区每年开采产生大量瓦斯，传统方式多为直接放空，既造成资源浪费，又存在安全隐患，还会加剧温室气体排放，而瓦斯发电机组恰好实现“变废为宝”，兼顾调峰保供与环保治理。

　　The core reason why Hunan vigorously lays out gas power generation units is to solve the three major pain points of "resource waste, peak shaving tension, and environmental pressure". In recent years, the installed capacity of new energy in Hunan has rapidly expanded, with the total installed capacity of wind power and photovoltaics exceeding 37 million kilowatts, of which photovoltaics account for over 25 million kilowatts. However, the intermittent nature of new energy has led to a sharp increase in peak shaving pressure on the power grid. In 2024, the maximum peak shaving power of Hunan power grid reached 7.23 million kilowatts, and in the first half of this year, it further climbed to 8 million kilowatts. At the same time, the Xiangzhong and Xiangnan mining areas in Hunan produce a large amount of gas every year, and the traditional method is mostly direct venting, which not only causes resource waste, but also poses safety hazards and exacerbates greenhouse gas emissions. Gas generators happen to achieve the goal of "turning waste into treasure", balancing peak shaving and supply protection with environmental protection.

　　与传统燃气、煤电机组相比，湖南推广的瓦斯发电机组优势凸显，精准适配本地能源场景。其核心亮点的是适配性强，可高效利用煤矿低浓度瓦斯（浓度5%-16%），无需额外铺设燃气管道，依托矿区现有瓦斯收集系统即可稳定运行；同时灵活性极佳，机组启动至并网仅需25-30分钟，热态启动至满负荷不足80分钟，调峰能力超75%，可实现0至100%负荷稳定运行，完美适配湖南电网“削峰填谷”需求，在光伏出力骤降的傍晚或用电高峰快速补位，在夜间低谷时段降负荷为新能源消纳腾挪空间。

　　Compared with traditional gas and coal-fired power units, the gas power generation units promoted in Hunan have prominent advantages and can accurately adapt to local energy scenarios. The core highlight is its strong adaptability, which can efficiently utilize low concentration gas (concentration 5% -16%) from coal mines without the need for additional gas pipelines. It can operate stably relying on the existing gas collection system in the mining area; At the same time, it has excellent flexibility, taking only 25-30 minutes for the unit to start and connect to the grid, less than 80 minutes for hot start to full load, and a peak shaving capacity of over 75%. It can achieve stable operation from 0 to 100% load, perfectly adapting to the "peak shaving and valley filling" needs of Hunan power grid. It can quickly replenish power in the evening when photovoltaic output drops sharply or during peak electricity consumption, and reduce load during low valley periods at night to create space for new energy consumption and relocation.

　　从环保与经济效益来看，瓦斯发电机组的价值尤为突出。每台10兆瓦级瓦斯发电机组，每年可消耗煤矿瓦斯约1800万立方米，相当于减少二氧化碳排放约12万吨，氮氧化物排放低于20ppm，远优于国家排放标准，既破解了煤矿瓦斯放空的环保难题，又减少了温室气体排放。同时，瓦斯发电可实现“就地取材、就地发电”，每千瓦时发电成本较传统煤电降低0.15-0.2元，既能为煤矿企业增加额外收益，又能为周边园区、村镇提供清洁电力，实现“安全、环保、经济”三重效益。

　　From the perspective of environmental protection and economic benefits, the value of gas power generation units is particularly prominent. Each 10 megawatt gas generator unit can consume approximately 18 million cubic meters of coal mine gas annually, which is equivalent to reducing carbon dioxide emissions by about 120000 tons and nitrogen oxide emissions by less than 20ppm, far exceeding national emission standards. It not only solves the environmental problem of coal mine gas venting, but also reduces greenhouse gas emissions. At the same time, gas power generation can achieve "local materials and on-site power generation", reducing the cost of electricity generation by 0.15-0.2 yuan per kilowatt hour compared to traditional coal-fired power. It can not only increase additional income for coal mining enterprises, but also provide clean electricity for surrounding parks and villages, achieving the triple benefits of "safety, environmental protection, and economy".

　　目前，湖南已在娄底、邵阳、郴州等瓦斯资源集中区域，布局多座瓦斯发电项目，其中湘中某矿区配套的2台15兆瓦瓦斯发电机组已完成168小时满负荷试运行，正式投运后年发电量可达2.6亿千瓦时，可满足12万户家庭年用电需求，同时每年减少瓦斯放空量约2200万立方米。据悉，湖南计划未来3年新增瓦斯发电机组总装机达80万千瓦，重点覆盖娄邵、永耒等五大一级瓦斯有利区，进一步提升瓦斯资源化利用率。

　　At present, Hunan has deployed multiple gas power generation projects in gas resource concentrated areas such as Loudi, Shaoyang, and Chenzhou. Among them, two 15 MW gas generator units supporting a mining area in central Hunan have completed 168 hours of full load trial operation. After being officially put into operation, the annual power generation can reach 260 million kilowatt hours, which can meet the annual electricity demand of 120000 households and reduce gas emissions by about 22 million cubic meters per year. It is reported that Hunan plans to add a total installed capacity of 800000 kilowatts of gas power generation units in the next three years, with a focus on covering five major first level gas favorable areas such as Loushao and Yonglei, further improving the utilization rate of gas resources.

　　尽管瓦斯发电机组优势显著，但湖南推广过程中仍面临一些挑战。目前，瓦斯收集提纯技术仍需优化，部分低浓度瓦斯利用效率有待提升，同时机组运维成本较高，需依托技术创新与政策支持破解瓶颈。业内专家建议，可建立“瓦斯发电辅助服务补偿机制”，降低企业运营成本，同时加大技术研发投入，提升瓦斯提纯与机组稳定性，推动瓦斯发电机组与新能源协同发展。

　　Despite the significant advantages of gas power generation units, there are still some challenges in the promotion process in Hunan. At present, the gas collection and purification technology still needs to be optimized, and the utilization efficiency of some low concentration gases needs to be improved. At the same time, the operation and maintenance costs of the unit are high, and it is necessary to rely on technological innovation and policy support to break through bottlenecks. Industry experts suggest establishing a "gas power generation auxiliary service compensation mechanism" to reduce operating costs for enterprises, while increasing investment in technology research and development, improving gas purification and unit stability, and promoting the coordinated development of gas power generation units and new energy.

　　此次湖南瓦斯发电机组的规模化落地，不仅破解了煤矿瓦斯浪费与电网调峰两大难题，更彰显了湖南能源转型的坚定决心。随着技术的不断优化与项目的持续推进，瓦斯发电机组将成为湖南保电保供、绿色发展的“主力军”，既推动煤矿产业绿色升级，又为全省新型电力系统建设提供坚实支撑，实现资源利用、电力保供与环保治理的多方共赢。

　　The large-scale implementation of Hunan gas power generation units not only solves the two major problems of coal mine gas waste and power grid peak regulation, but also demonstrates Hunan's firm determination in energy transformation. With the continuous optimization of technology and the continuous promotion of projects, gas generator sets will become the "main force" for ensuring power supply and green development in Hunan. They will not only promote the green upgrading of the coal mining industry, but also provide solid support for the construction of a new power system in the province, achieving a win-win situation for resource utilization, power supply and environmental protection governance.

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