The 5 MW wind turbine described is intended for large-scale energy generation within offshore wind farms. Specifically, it serves as a key component in the Donghai Bridge Offshore Wind Farm (DBOWF), which is a notable offshore wind project in China adjacent to the Donghai Bridge. This wind turbine is utilized for on-grid electricity provision, helping to supply clean, renewable power to the electrical grid. Users of this LCA data set should consider the entire cradle-to-grave process, including manufacturing, transportation and installation, operation and maintenance, and dismantling and recycling stages of the wind turbines. Careful attention should be paid to the technical parameters provided from design documents, as well as the calculated sea transportation energy. It is essential to take into account the facility installation energy, emissions data, and operation and maintenance schedules. When using this data, incorporate the frequency and duration of maintenance operations as observed in site investigations. Additionally, users must consider the uncertainties presented in the sensitivity analysis section when applying model parameters and input data to ensure the reliability of their assessments.