Coal boiler or Briquette hole in the dwelling unit

South Pyongan is the top region by coal boiler or briquette hole in the dwelling unit in Democratic People's Republic of Korea. As of 2008, coal boiler or briquette hole in the dwelling unit in South Pyongan was 838,377 that accounts for 30.23% of Democratic People's Republic of Korea's coal boiler or briquette hole in the dwelling unit. The top 5 regions (others are Pyongyang, North Pyongan, South Hamgyong, and North Hamgyong) account for 78.66% of it. Democratic People's Republic of Korea's total coal boiler or briquette hole in the dwelling unit was estimated at 2.77 million in 2008.