The G3 Beijing-Taipei highway is a 2,030-kilometer road linking northern, eastern and southeastern China.

(Image credit: CnEVPost)

's (NYSE: NIO) battery swap station network is extending its coverage to a broader area, completing initial coverage of a major highway from northern to southern China.

On April 23, NIO's battery swap station network completed initial coverage of the G3 Beijing-Taipei highway with 21 battery swap stations along the route, the electric vehicle (EV) maker announced today.

(Image credit: NIO)

By now, NIO has completed coverage of five major highways connecting to Beijing, the other four being the G1 Beijing-Harbin highway, the G2 Beijing-Shanghai highway, the G4 Beijing-Hong Kong-Macau highway and the G5 Beijing-Kunming highway.

The G3 Beijing-Taipei highway is a trunk line linking northern, eastern and southeastern China, with a total length of 2,030 kilometers, running through Beijing, Hebei, Shandong, Jiangsu, Anhui, Zhejiang, Fujian and Taiwan. The Fuzhou-Taipei section is not yet open.

Along the highway, there is an average of one battery swap station every 112 kilometers, according to NIO.

Here's a video NIO shared on its mobile app.

On July 6, 2022, NIO said at the second NIO Power Day event that it will complete a battery swap network covering nine vertical highways, nine horizontal highways and 19 urban clusters in China by 2025.

(Image credit: NIO)

NIO expects to have more than 4,000 battery swap stations worldwide by 2025, with 1,000 of them located overseas, the company said at the time.

By 2025, more than 90 percent of NIO customers will have at least one battery swap station within three kilometers of their homes.

As of today, NIO's battery swap station network covers 6 vertical highways, 3 horizontal highways and 8 urban clusters.

NIO announced plans late last year to add 400 battery swap stations in 2023, but that plan was raised to 1,000 on February 21.

William Li, NIO's founder, chairman and CEO, said at the time that the company would further accelerate the deployment of battery swap stations, aiming to have more than 2,300 battery swap stations in China by the end of 2023.

On April 12, NIO's first 10 third-generation swap stations went into operation, after the next-generation station was launched at NIO Day late last year.

On April 18, Li said at a press event on the first day of the Shanghai auto show that NIO will add about 200 battery swap stations every month starting in June.

NIO added two battery swap stations in China today, bringing the total number of facilities to 1,366. It also added five charging stations, bringing the total to 2,506, providing 14,857 charging piles, according to data monitored by CnEVPost.

April 23 and May 6 are working days in China, according to the country's schedule for the upcoming Labor Day holiday, even though they are Sunday and Saturday, respectively. The holiday runs from April 29 to May 3.

NIO's 1st 10 3rd-gen swap stations go into operation