Calculation and Emission Reduction Effect Evaluation Model of Wind Power Lifetime Carbon Emission under Carbon Neutralization Target

Abstract

Taking a 2MW wind turbine as an example, this paper established an assessment model of carbon emissions in the whole life cycle of a typical wind turbine. The total carbon emissions and emission coefficient of the whole life cycle of a wind turbine are calculated by focusing on five stages: fan manufacturing, fan transportation, wind farm construction, fan operation and maintenance, fan decommissioning and dismantling. The calculation results show that the carbon emission coefficient of wind turbine is about 21.73g-CO2,eq/kWh. The carbon emission level of wind turbine manufacturing stage is the highest, accounting for about 75%, followed by the operation and maintenance stage of wind farm, accounting for about 11%. The carbon emission level of other stages is relatively small. By obtaining the carbon emission results of the whole life cycle of wind power generation, the key links of wind power carbon emission are clarified, which is expected to point out the direction of regulating wind power carbon emission, so as to better achieve the low-carbon target.