Photo taken on July 19, 2020 shows the Puti Island offshore windfarm in Laoting County, north China's Hebei Province. All wind turbines have been connected to the grid for power generation recently at the Puti Island offshore windfarm which comprises 75 wind turbines with the total installed capacity of 300 megawatts (MW). (Xinhua/Yang Shiyao)

Photo taken on July 19, 2020 shows the Puti Island offshore windfarm in Laoting County, north China's Hebei Province. All wind turbines have been connected to the grid for power generation recently at the Puti Island offshore windfarm which comprises 75 wind turbines with the total installed capacity of 300 megawatts (MW). (Xinhua/Yang Shiyao)

Photo taken on July 19, 2020 shows the Puti Island offshore windfarm in Laoting County, north China's Hebei Province. All wind turbines have been connected to the grid for power generation recently at the Puti Island offshore windfarm which comprises 75 wind turbines with the total installed capacity of 300 megawatts (MW). (Xinhua/Yang Shiyao)

Aerial photo taken on July 19, 2020 shows the Puti Island offshore windfarm in Laoting County, north China's Hebei Province. All wind turbines have been connected to the grid for power generation recently at the Puti Island offshore windfarm which comprises 75 wind turbines with the total installed capacity of 300 megawatts (MW). (Xinhua/Yang Shiyao)