Numbers of units and households across the country have introduced a self-supporting power production system and new electricity-saving technologies.

The Pukchang Area Youth Coal Mining Complex established an integrated power control system to put the power management on an IT and scientific basis, thus making it possible to save several million kWh electricity in a year.

The Wonsan City Power Distribution Station in Kangwon Province has annually saved several hundred thousand kWh of electricity by putting the management of electric power system on a modern basis.

The Pyongyang Hotel introduced a circulation water heating system combined with solar water heater, geothermal pump and power-saving water heater into its service activities to economize 70 percent of electricity.

Meanwhile, establishments in the field of chemical industry, including the Songyong Paint Factory and the Ponghwa Chemical Factory, are directing big efforts to the work for converting equipment and facilities into power-saving ones.

And increasing in provinces, cities and counties is the number of households using solar water heaters, solar panels and wind-powered generators of various capacities.