I-gas yemvelo ayifumanekanga kwixesha lokunyanzeliswa okukhulu. Ngomhla ka-Agasti 2012, ixabiso lalingathengisa i-3.13 yezigidi ngezigidi zeeyunithi zaseburhulumenteni zaseBrithani. NgoFebruwari 2014, emva kweenyanga ezintandathu emva koko, ixabiso liphindwe kabini ukuya kuma-6.4930 ephakamileyo njengemimoya egciniweyo yegesi yemvelo e-United States.
IiGesi zeNdalo
Ngasekupheleni kuka-2015, kwenzeka okuchasene. Isiqalo esifudumeleyo ebusika kunye neencwadi eziphezulu ezirekhodiweyo kubangela ukuba intengo yerhasi yendalo ithengiswe kwiNew York Mercantile Exchange sahluko seChicago Mercantile Exchange . NgoDisemba 2015, intengo ithengiswa kwi-$ 1.684 nge-mmbtu, eyona nqanaba elona liphantsi kunazo zonke iimveliso ukususela ngo-1999-i-elitsha elinesibhozo elinesithandathu.
Ekubeni ukuphakama ngaphezu kwama-$ 6.50 ekuqaleni kowe-2014, intengo yegesi yendalo yancipha ngokukhawuleza ngenxa yokunyuka kwemveliso kunye nokufumana ezintsha kwegesi kwimimandla yaseMarcellus ne-Utica shale yaseUnited States.
Ezi zinto zakhokelela ekukhuleni ukuya kwixesha eliphakamileyo lamashumi amabhiliyoni ayi-cubiclion cubic ngoNovemba 2015. Kwakukho igesi eninzi malunga naloo mandla wokugcina wawunqongophala. Okwangoku, ukuqala okufudumele ebusika kubangele ukunciphisa ukufuna. Ngo-Oktobha 2015, ixabiso elithengiswa ngaphaya kweedola 2 ngeemmbtu ngokokuqala ngqa ukususela ngo-Apreli 2012.
NgoDisemba, yahamba. Ixabiso lathengisa yonke indlela ukuya kwi-$ 1.684 nganye nge-mmbtu phakathi kwenyanga. Inkcazo kwimarike yendalo yegesi yengomso yafika ngexesha apho amaxabiso eoli nawo awela emininzi yeminyaka.
I-gas yemvelo yintengiso ehlawulekayo enentsingiselo yokuba inokutshabalalisa. Ezi zimbonakalo zenyama yamandla kagesi zibonakala ngathi ziguqulela kwixabiso layo ngamanye amaxesha. Emva kwegesi yendalo yatshatyalalisa loo mivuzo emininzi yeminyaka edluleyo ngoDisemba, intengo yayo yaba yingozi kwaye yaqhuma phezulu. Ngethuba leveki ezintathu phakathi kweDisemba 18, 2015, noJanuwari 8, 2016, intengo yegesi yendalo yenziwa ngamaphesenti angaphezulu kwama-48% ephuma kwi $ 1.6840 ukuya kwi-2.4950 yee-mmbtu. Ukunyaniseka kwimihla ngemihla kwenyuka ukusuka kwi-30% ukuya kuma-75%.
Ukulandela i-rally emangalisayo, intengo yegesi yendalo yabuyiswa kwaye yayidayisa i-$ 1.97 ngeFebruwari 12 ngaphantsi kwendawo yokuphakama ephakamileyo phakathi kukaDisemba 2015 noJanuwari 2016. Izinto eziphambili kunye nobuchwepheshe zithatha ixabiso eliphantsi kwakhona.
Ukutshatyalaliswa kwezityalo zasebusika
I-gesi yendalo ihlala ihlala inganyanzaliyo kwiinyanga zasebusika. Kungenxa yemozulu, imfuno yokufudumala ikhuphuka njengoko amaqondo okushisa e-United States awela.
Njengobusika ngo-2016 ngokukhawuleza uqala ukutshintsha ukutshintsha, ukuhoxiswa kwii-gesi zendalo kuya kutshintshela kwiijovane ngexesha elithile ngo-Ephreli njengomoya ofudumeleyo wehla ukufuna ukushisa okuphethwe yi-gesi yendalo kwimimandla emikhulu yase-US
I-gesi yendalo isoloko iyinto ebonakalayo yintengiso ngokususela ekuqalweni kwezorhwebo kwi-NYMEX ngo-1990. Ngaphezulu kwendlela yokuthengiswa kwegesi yengomso, ixabiso lentengo liye lalinganiselwa kuma-1.02 ngo-Januwari 1992 ukuya kuma-15,65. kulandela imiphumo ebhubhisa iNtshonalanga Katrina kwiGulf Coast ye-United States kunye neziseko zegesi zendalo eLouanaana. Ingongoma yokunikezelwa kweyona mkontrakthi yendalo yegesi yendalo ye-gesi e-United States, isivumelwano se-NYMEX, esise-Erath, eLouisana.
Nangona igesi yemvelo ihlala phantsi kwe-$ 2 nganye nge-mmbtu, ekupheleni kweentengo zayo zokuthengisa ukususela ekuqalweni kweemarike zesikhathi esizayo, ubunako bokungabi nantoni kule mveliso yamandla ihlala iphakamileyo.
Ixabiso lentsebenzo ngoDisemba 2015 noJanuwari 2016 luyinto engummiselo wendalo yasendle yale bronco ye-bucking yempahla.