North China's Inner Mongolia autonomous region is widely viewed as having played an essential role in the country in transmitting electricity power for North China, Northeast China, East China and the Northwest China regions.

Statistics from the Inner Mongolia Energy Administration showed recently that in 2021, the electricity power transmitted by Inner Mongolia to these regions reached 246.7 billion kilowatt-hours, a year-on-year increase of 6.8 percent.

It reportedly accounted for more than 15 percent of the electricity delivered across the provinces and regions in China, leading the country for 17 consecutive years in power transmissions.

As an important national power supplier, Inner Mongolia operated the first 500-kilovolt transmission line to North China in 1993.

Since then, the voltage level of Inner Mongolia is said to have continuously improved and the power transmission capacity has continued to forge ahead.

At present, eleven 500 kV super ultra-high voltage and five ultra-high voltage transmission channels have been installed in Inner Mongolia, with a power transmission capacity of 70 million kilowatts, ranking it first in the country.

In addition, Inner Mongolia has expanded the scale of its clean power transmissions.

All new coal-fired power plants for external transmission in Inner Mongolia use ultra-supercritical coal-fired generating units of 600,000 kW and above, while the region's new energy installed capacity for its UHV transmission channel accounts for 48 percent of the total installed new energy power generation capacity in the country.

In 2021, Inner Mongolia transmitted 50 billion kWh of power generated by new energy.