I-Iceland imbe i Owona mzimba ubunzulu kakhulu wobushushu emhlabeni entliziyweni ye-volcano enobunzulu beekhilomitha ezi-5 zokusebenzisa amandla ayo ahlaziyekayo.
Kwaye kukuba uxinzelelo olugqithisileyo kunye nobushushu obukhoyo kubunzulu bunokufumana ama-30 ukuya kuma-50 MW ombane kwiqula elinye lombane. I-Iceland yi inkokeli yehlabathi ekusetyenzisweni kwamandla ombane kunye nokuvelisa malunga neepesenti ezingama-26 zombane wawo kwimithombo yomhlaba.
Isixhobo sokuveliswa kwesixhobo se Izityalo zamandla ombane ibiyi Zizonke i-665 MW ngo-2013 kwaye imveliso yayiyi-5.245 GWh.
Umthombo oqhelekileyo we-2,5 yeekhilomitha kumhlaba we-Iceland ulingana namandla malunga ne-5 MW. Izazinzulu zilindele ukuba ukunyuka ngeshumi kumandla abalaseleyo wequla xa kusombiwa nzulu kuqweqwe lomhlaba. Kubunzulu beekhilomitha ezi-5, uxinzelelo olugqithisileyo kunye nobushushu obungaphezulu kwama-500 ngokukaCelsius kuya kudala "umsi ococekileyo" oya kuthi wandise kakhulu ukusebenza kweinjini yomoya.
Indibaniselwano eyenziwe nguStatoil kunye neIceland Deep Drilling Project (IDDP), elona qula lomhlaba lishushu kakhulu, ngoku kusombiwa. kwi usingasiqithi weReykjanes, apho kwaqhambuka khona intaba-mlilo kwiminyaka engama-700 eyadlulayo.
Un umzamo ofanayo kwiminyaka emithandathu eyadlulayo yaphela kwintlekele, kunye ne-drill rig echukumisa i-magma kubunzulu be-2,1 yeekhilomitha, itshabalalisa umtya wokugrumba. U-Sgeir margeirsson, u-CEO weprojekthi yabazali u-HS Orka, uthe:
Akukho siqinisekiso sokuba izinto zihamba kakuhle, kubunzulu obunjalo yonke into ingajika ibe yintlekele kwimizuzwana nje. Konke oku kunokuba nesiphelo esingalindelekanga, kuba ngenxa yesizathu esithile ayinakugrunjwa nzulu. Asilindelanga ukuba siyichukumise i-magma, kodwa siza kuba sibhola kwilitye elishushu. Kwaye ngelitye elifudumeleyo, sithetha i-400 ukuya kwi-500 degrees Celsius.
Kule minyaka isixhenxe izicwangciso ze-IDDP zezi drill kwaye uvavanye uthotho lwamaqula eya kuthi ingene kwimimandla eyoyikisayo ekukholelwa ukuba ikhona phantsi kweendawo ezintathu esele zixhaphazile zomhlaba e-Iceland.