Masana'antar otel muhimmin yanki ne na tattalin arziki kasancewar akwai dubban otal-otal masu girman gaske a duniya. Waɗannan ƙididdigar suna kashe kuɗi da yawa wutar lantarki da makamashi saboda aiyukan da suke yiwa maziyartan su.
Amma a yau yanayin yana ajiye makamashi kuma don zama mafi yanayin muhalli wanda yawancin otal-otal a duniya suna sake fasalin gine-ginensu, dumama da tsarin sanyaya tsakanin wasu ayyuka don sanya su zama masu saukin muhalli.
Misalai biyu da za a yi la'akari da su sune: Otal din Crowne Plaza a D Denmarknemark ya sanya bangarori masu amfani da hasken rana a kan fuskarta wacce ke samar da wani bangare na makamashinta. Baya ga zane da fasaha mai ɗorewa makamashi wanda ke sa ginin ya zama mafi inganci, yana kyale kyakkyawan amfani da kuzari.
Wannan otal ɗin yana adana kusan kashi 50% na abin da irin wannan kafa yake cinyewa tare da tsarin makamashi na yau da kullun.
Wani lamari mai matukar mahimmanci shi ne na babban otal din Power Valley Jingjiang International a China. Wannan otal din mai tauraro biyar yana da ɗakuna 291 da ƙarin wurare da yawa kamar gidajen cin abinci da dakunan taron.
Wannan otal din yana samar da 10% na ƙarfin da yake amfani dashi tare da hasken rana daga 3800 kayayyaki masu daukar hoto. Wani sanannen fasalin shine cewa yana da tsarin sake amfani da makamashin zafin daga ruwa mai tsafta kuma canza shi zuwa dumama, sanyaya da ruwan zafi.
Otal-otal suna gano fa'idodin makamashin hasken rana da kuma tsabtace muhalli da ƙirar mai-ɗorewa don adana kuzari da kuɗaɗe masu yawa.
Hakanan hanya ce ta biyan buƙatun masu buƙata waɗanda ke buƙatar ingantaccen kula da muhalli ta kamfanoni.
Tabbas karin otal-otal a duniya zasu kwaikwayi waɗannan ayyukan tunda yana da kyau ga duka ɓangarorin.
Ajiye kuzari da samarwa sabunta makamashi Alkawarin duka ne, amma manyan kamfanoni da kamfanoni suna da babban nauyi tunda sune suka fi cinye su.