Huichon Power Station rationally adjusted the angle of the blades of water-wheel generators, thus increasing the efficiency.

Jangjagang Power Station maintained the dam scientifically, thereby generating much more electricity than that in the same period last year.

Kanggye Youth Power Station and Wiwon Power Station made and installed an oil hydraulic pump, etc. and fitted a transformer with a digital temperature measuring instrument.

Workers and technicians of medium and small power stations in the province boosted the operation rate of the equipment, thus increasing the power production.