This dataset represents the electricity generation of onshore wind turbines in a specific region in 2021, including oil and coolant consumption, and equipment replacement. The onshore wind turbines of average power were considered, and technical details can be found in the dataset for turbine production. The lifespan of wind farms was set according to official specifications, with a technical service life of 20 years for onshore wind farms and 25 years for offshore wind farms. Data is mainly from official statistics and public literature.