IPS/UPS
（重定向自Unified Power System）
![The synchronous grids of Europe. IPS/UPS is shown in red.](/Images/godic/202502/18/ElectricityUCTE_eng.svg5921.png")
The IPS/UPS is a wide area synchronous transmission grid of some CIS countries with a common mode of operation and centralized supervisory control. It has an installed generation capacity of 300 gigawatts, and produces 1,200 terawatt-hours (TWh) per year for its 280 million customers. The system spans eight time zones.