1,000 kV Xiongan–Shijiazhuang UHV Project, China July 2, 2019 | Asia Pacific Project Update The 1,000 kV ultra-high voltage (UHV) Xiongan–Shijiazhuang transmission line in China's Hebei Province was operationalised in July 2019. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password