Ukugcinwa kwamandla ekhaya akusabhekwa njengesixazululo esikhethekile esisebenza kuphela ekhaya elikude. Ithuluzi le-smart house, isitoreji samandla ekhaya, kanye nethuluzi le-Home Energy Calculator selibe yisethi yezinhlelo zokusebenza ezilula lapho yonke indlu, kungaba eyokuhlala noma yebhizinisi, idinga ukwenza amandla abe ngcono. Kodwa-ke, lapho lo mqondo uvuthwa, umuntu usala ezibuza: umuntu udinga malini ukwakha ibhange lakhe lebhethri ukuze anikeze amandla ikhaya lakhe?

Impendulo izobe ingagxili kakhulu ebhethrini futhi ihlobene kakhulu nephethini yokusetshenziswa kukagesi ekhaya lakho. Uhlelo lokugcina amandla lwasekhaya olulinganiswe kahle luzosebenza ngamaphethini okusetshenziswa kunemigomo yokumaketha.

Ukuqonda Okushiwo Usayizi Webhethri Empeleni

Njengoba ingxoxo iqala ngezinombolo, kubonakala kusiza ukuchaza ukuthi kusho ukuthini “usayizi webhethri” ngokomqondo.

Incwadi ye-Energy Information Administration:  Isitoreji samandla sokukhiqizwa kukagesi ithi iyunithi yokulinganisa amandla okugcina amandla kagesi kumabhethri yi-kilowatt-hour (kWh). Lokhu kubonisa inani lamandla ibhethri elingawakhiqiza. Isibonelo, ibhethri elinamandla okugcina angu-10 kWh linganika amandla i-kilowatt isikhathi esingamahora ayi-10 noma ama-kilowatt amabili amahora ama-2.

Lokhu kubalulekile ngoba ukuphatha ikhaya empeleni kuyinkinga yamandla ngokuhamba kwesikhathi, hhayi nje ukukhishwa kwamandla.

Qala ngokuthi mangaki amayunithi kagesi asetshenziswa yindlu yakho.

Indawo engcono kakhulu yokuqala kungaba yibhili yakho kagesi. Ukusetshenziswa kwakho okujwayelekile, okukalwa ngama-kilowatt-hours, kuzokunikeza inkomba ecacile.

Endlini esebenzisa isilinganiso sama-kWh angu-900 inyanga ngayinye, ukusetshenziswa kwansuku zonke kungaba ngu-30 kWh. Lokhu akulona neze usayizi wamabhethri ozenzakalelayo, kodwa kuyisici esinqunyelwe. Empeleni, ayikho indlu esebenzisa ibhethri ukuhlangabezana nazo zonke izidingo zansuku zonke.

Ukusetshenziswa kukagesi okumaphakathi kwansuku zonke yimindeni

Ububanzi obunjalo bubonisa ukuthi kungani kungekho usayizi webhethri ojwayelekile. Usayizi "ofanele" womthamo uhlobene kakhulu nendlela yokuphila yomuntu siqu kanye nezimfanelo zokwakha.

Thola ukuthi kusho ukuthini ngempela ukuphatha indlu 

Abantu bangase bacabange ukuthi kunesidingo sokuphatha indlu ngokuhlinzeka ngogesi kukho konke ngendlela efanayo nangaphambili. Iqiniso liwukuthi izinhlelo zokugcina amandla ekhaya zakhiwe ngokugxila emazingeni athile okubalulekile.

Ukusebenza kwendlu yonke uma kuqhathaniswa nokusebenza kwemithwalo ebalulekile

Imithwalo ebalulekile ivame ukumboza amafriji, izibani, i-inthanethi, imishini yezokwelapha, kanye nokushaja ifoni ephathekayo. Ngokuvamile, imithwalo ebalulekile ayidli ngaphezu kwama-kWh angu-3-8 ngosuku.

Amandla okusekela indlu yonke kumele aphathe umoya opholile, ukupheka ngogesi, ukuwasha izingubo, nezinye izinhlelo zokusebenza ezifunwa kakhulu. Imithwalo ingadinga ukusekelwa yijeneretha amandla angu-25 kWh noma ngaphezulu ngosuku.

Ukusetshenziswa kwemithwalo ebalulekile kunokuhlanganisa indawo efanayo ngokuvamile kuyisici esibalulekile ekunciphiseni usayizi webhethri.

Indlela Amandla Elanga Athinta Ngayo Usayizi Webhange Lebhethri

Eqinisweni, uma ihlanganiswe namaseli elanga, uhlelo lokugcina amandla ekhaya ngeke ludinge ukuthi wonke amandla avela emandleni agcinwe kumabhethri. Amandla avela elangeni ngesikhathi sasemini anganika amandla ukwaneliseka komthwalo ngqo futhi ashaje amabhethri.

Ekuhlelweni kwesistimu yebhethri ye-solar plus, usayizi webhethri unqunywa yisidingo sasebusuku kanye nesidingo sasekuseni kakhulu.

Isilinganiso samandla sihlala sibalulekile, kungakhathaliseki ukuthi umthamo ungakanani

Kungenzeka ukuthi ube nebhethri elinamandla okugcina amandla amaningi kodwa ungakwazi ukukhanyisa indlu uma lingakwazi ukuletha amandla anele. Izinto zikagesi ezifana nama-air conditioner, amaphampu omthombo, kanye nobubanzi bukagesi zidinga amandla amakhulu okuqala.

Kusho ukuthi umthamo webhethri (kWh) kanye nesilinganiso se-inverter (kW) kudingeka kubhekwe ndawonye. Ukunganaki lesi sici kube esinye sezizathu ezenza izinhlelo zingasebenzi kahle.

Ubukhulu bezomnotho kanye nokwehla kwenzuzo

Ucwaningo olunesihloko esithi Usayizi Webhethri Ongangcolisi Wekhaya Elihlakaniphile, eyanyatheliswa yiNational Renewable Energy Laboratory, ibonisa ukuthi ubukhulu bamabhethri asekhaya buxhomeke kumaphethini okusetshenziswa, amazinga kagesi, kanye nokusetshenziswa okuhlosiwe kunokuba kuncike endleleni yokukhulisa. Idatha ifakazela ukuthi imbuyiselo yezomnotho yokukhulisa uhlelo ngokweqile incane uma iqhathaniswa nesisombululo esinobukhulu obufanele. Lokhu kusho ukuthi, ngale kwephuzu, ukuba nomthamo webhethri owengeziwe kwengeza izindleko ngokushesha kakhulu kunokusebenza kwalo.

Ububanzi obujwayelekile bebhethri emakhaya

Ngokusekelwe ezimweni zokusetshenziswa ezivamile zokuhlala, izinhlelo zebhethri zingahlukaniswa zibe izinhlelo zokusebenza ezimbalwa ezisebenzayo.

Lezi zigaba zenzelwe ukulahlekelwa kokusebenza kahle okumaphakathi kanye nokuphathwa komthwalo ngezinga elithile ngesikhathi sokungasebenzi.

Indlela ewusizo yokulinganisa izidingo zebhethri

Indlela yobuchwepheshe obuphansi ingasebenza kahle ekulinganiseni ubukhulu:

Okokuqala, yenza uhlu lwezinto ezisetshenziswayo ezizosebenza. Okwesibili, bala isilinganiso sokusetshenziswa kwamandla kwalezi zinto ezisetshenziswayo. Ukusetshenziswa kwamandla kufanele kukalwe ngama-kilowatt-hours. Okwesithathu, nquma inani lamahora uhlelo lwamandla olusekelayo okufanele lunikeze ugesi. Isikhathi sokusekela amandla singaba ngezinsuku. Okwesine, bala inani eligciniwe elingu-10-20%.

Ngale ndlela, ukunaka kuhlala kugxile ezidingweni zangempela kunezidingo eziphezulu.

Imicabango Final

Usayizi webhethri ofanele awukona ukuthenga uhlelo olukhulu kunawo wonke olutholakalayo; kumayelana nokufanisa umthamo wesitoreji nendlela umndeni wakho osebenzisa ngayo ugesi kanye nalokho okulindele ukuthi uhlelo lukwenze.

Kwabaningi abaninikhaya, okubaluleke kakhulu ohlelweni lokugcina amandla ekhaya yilolo oluklanyelwe kahle ukuqina, ukusebenza kahle, kanye nokusebenza kahle, kunokuba lube luphelele. Uhlelo olunesayizi yamabhethri asekelwe ekusetshenzisweni kwangempela kanye nemigomo echazwe ngokucacile luqinisekisa inani ngaphandle kobunzima noma izindleko ezingadingekile.