Duk da cewa a yau ana amfani da wasu hanyoyin samar da makamashi sosai da sosai, hakar kwal yanki ne na masana'antu na gaggawa. Adadin garwashi yana cikin ƙasashe daban-daban na duniya, kuma 50 daga cikinsu suna aiki.
Adadin kwal na duniya
Mafi yawan adadin kwal ana hakowa a cikin Amurka daga ajiyar kuɗi a Kentucky da Pennsylvania, Illinois da Alabama, Colorado, Wyoming da Texas. Rasha ita ce ta biyu mafi girma wajen samar da waɗannan ma'adanai.
China ta zama ta uku a harkar samar da kwal. Indiya babbar masana'antar kera kwal ce kuma ajiyar tana cikin arewa maso gabashin ƙasar.
Saar da Saxony, Rhine-Westphalia da Brandenburg a Jamus suna ta samar da gawayi mai kauri da ruwan kasa sama da shekaru 150. Akwai manyan wuraren adana gawayi a cikin Kanada da Uzbekistan, Colombia da Turkey, Koriya ta Arewa da Thailand, Kazakhstan da Poland, Czech Republic da Afirka ta Kudu.
Adadin gawayi a Rasha
Kashi na uku na arzikin kwal a duniya yana cikin Tarayyar Rasha. Babban ajiyar kwal na Rasha kamar haka:
- Kuznetskoye - wani muhimmin ɓangare na kwarin ya ta'allaka ne a yankin Kemerovo, inda ake haƙa kusan kashi 80% na coking da kashi 56% na gawayin kwal;
- Kansk-Achinsk basin - 12% na kwalba mai ruwan kasa ana haƙa;
- Basin Tunguska - wanda yake cikin wani ɓangare na Gabashin Siberia, an haƙa anthracites, kwalba mai ruwan kasa da kwal mai ƙarfi
- Kogin Pechora yana da wadataccen kwal;
- Basin Irkutsk-Cheremkhovsky shine tushen kwal ga kamfanonin Irkutsk.
Ma'adanin kwal yana da matukar reshe na tattalin arziki a yau. Amfani da shi ya dogara da wuraren aikace-aikacen, kuma idan kuka rage amfani da kwal, zai daɗe na dogon lokaci.
