Kuchengetedzwa kwesimba kwakamira kunoderedza mitengo kuburikidza nenzira dzakasiyana-siyana: kudzikisa mari dzinodiwa zvakanyanya, kugonesa nguva-ye-yekushandisa yakasarudzika, kubatanidza simba rinogonekwazve rakachipa, uye kudzikira kwekudyara kwezvivakwa. Mari dzekuchengeta bhatiri dzadzikira ne40% gore-pa-gore kusvika pa$165/kWh muna 2024, zvichiita kuti maapplication aya awedzere mari.
Kucheka Kwemabhatiri Kuderedza Mari Yemagetsi
Iyo yakanyanya kunanga kuderedzwa kwemutengo kubva kune yakamira simba rekuchengetedza inouya kuburikidza nekuda kuchaja manejimendi. Zvemabhizimusi nemaindasitiri zvinobhadhara zvirango zvakakura pakutora simba razvo repamusoro-soro panguva yekubhadharisa{1}kazhinji $10 kusvika $40 pakikirowati inodiwa zvakanyanya pamwedzi.
Nzvimbo yekugadzira inodhirowa 500 kW panguva dzepamusoro-soro ine $40/kW yekuchaja yekuda inotarisana nemadhora zviuru makumi maviri pamari yezvinodiwa pamwedzi chete. Kuisa sisitimu yekuchengetera ndebvu 150 kW kubva panhongonya iyoyo inochengetedza madhora zviuru zvitanhatu pamwedzi, kana $72,000 pagore. Iyi nzira, inodaidzwa kuti peak shaving, inoshanda nekuburitsa simba rakachengetwa chaizvo apo kushandiswa kwaizowedzera.
Upfumi hunovandudzika mumatunhu nenguva{{0}ye{1}}yekushandisa maitiro emitengo. Masisitimu ekuchengetera magetsi anochaja panguva yekudzima-nguva dzepamusoro-soro apo magetsi achidhura 2-masendi matatu pakWh, yozobuda munguva dzepamusoro-soro apo magetsi anokwira kusvika pa15-25 cents pakWh. Iyi arbitrage inobata musiyano wemutengo pakati penguva yakaderera uye yakakwirira-reti.
Chaiyo-mashandisirwo epasi rose anoratidza mibairo inoyerika. Data kubva pakuiswa kwesimba rekuchengetedza magetsi inoratidza inogona kudzikiswa mutengo wesimba unosvika 30% pakushandisa simba-nesimba. Kune zvivako zvine mari yegore negore inodarika $ 1 mamiriyoni, izvi zvinoshandura ku $ 300,000 mukuchengetedza kwegore negore.
Declining Technology Costs Shandura Value Equation
Hupfumi hwakakosha hwekuchengetera zvakamira hwakashanduka mukati memakore gumi apfuura nekuda kwekudzikiswa kwemutengo kunoshamisa. Mitengo yekuchengetera bhatiri yakadzikira kubva pamadhora mazana matatu nemakumi manomwe neshanu/kWh muna 2023 kusvika pamadhora zana nemakumi matanhatu neshanu/kWh muna 2024-kudzikira kwemakumi mana muzana mugore rimwe chete, zvichimiririra kudonha kukuru kubva pakatanga kutevera muna 2017.
Zvinhu zvakawanda zvinotungamira iyi mutengo trajectory. Kugadzira overcapacity muChina, kunyanya yelithium iron phosphate (LFP) mabhatiri, yakagadzira makwikwi anotyisa. MaChinese masisitimu akaita avhareji yemadhora zana muna 2024, aine mamwe mapurojekiti emitengo yakaderera semadhora makumi masere neshanu pakWh ye4-awa-yakareba masisitimu. Mari yeavhareji yeUS inoramba yakakwirisa pamadhora mazana maviri nemakumi matatu nematanhatu/kWh nekuda kwekusiyana kwemagetsi ekutengesa uye zvinodiwa zvekutonga.
Mafungiro anoratidza kuramba achidzikira kusvika muna 2030. The National Renewable Energy Laboratory inofungidzira kuti lithium-ion bhatiri rekushandisa pazvishandiso zvisina kumira mushe rinogona kusvika pasi pe$200/kWh pamasisitimu akaiswa panosvika 2030, nemari yese yakaiswa ingangodonha 50-60% kubva mazinga a2024. Mari yebhatiri cell inotarisirwa kudzikira nekukurumidza kupfuura mutengo wesystem yakakwana.
Kupfuura bhatiri pack pachayo, zviyereso{{0}zve{1}}zvemasisitimu zviri kuita zviri nani. Simba rekushandura masisitimu, kutonga kwemafuta, uye kutonga zvemagetsi zvinomiririra zvinokwana 40-60% yemitengo yehurongwa hwese asi iri kuona inoderera muzana inodzikira pane maseru ebhatiri. Nekudaro, kugadzirwa kwekugadzira uye hukuru hwehupfumi huri kuramba huchikwidza mitengo iyi pasi.
Kuchinja kubva ku nickel manganese cobalt (NMC) kuenda ku lithium iron phosphate (LFP) kemikari inomhanyisa kuderedzwa kwemutengo uku ichivandudza kuchengeteka. Mabhatiri eLFP ave kutonga matsva ekuchengetedza magetsi ekuisa, achipa mutengo wakaderera wezvinhu uye hupenyu hurefu hwekutenderera kunyangwe kushomeka kwesimba zvishoma.
Grid-Level Savings Beyond Individual Meters
Kuchengetedzwa kwesimba kwakamira kunogadzira kudzikiswa kwemitengo kunowedzera kupfuura kuchengetwa kwenzvimbo yega yega kubatsira magidhi emagetsi ese uye vanobhadhara.
Mafambisirwo ekufambisa uye kugovera anomiririra mari huru yekudyara{{0}zvishandiso saizi masisitimu azvo kuti zvigadzirise kudiwa kwepamusoro kunoitika maawa gumi nemaviri chete pagore. Nguva yese iyi, zvivakwa izvi zvinogara zvisina kushandiswa. Strategic bhatiri kuiswa kunoderedza kana kubvisa mabhiriyoni mumitengo yekusimudzira.
Panzvimbo pekuwedzera simba rekutapurirana kubata kukura kwepamusoro mitoro, zvishandiso zvinogona kuisa chengetedzo pasi pemvura yakatsvikinyidzana. Bhatiri rinobuda mukati menguva pfupi dzepamusoro, zvichibvisa kudiwa kweinodhura conductor kukwidziridzwa, substation kuwedzera, kana ma transformer matsva. Kuisirwa 10-20 MW ekuchengetedza miriyoni inodhura madhora gumi nemashanu-30 miriyoni inogona kumisa mapurojekiti ekutapurirana anodarika zana remamiriyoni emadhora.
Kushandisa grid yeUS-mapurojekiti ekuchengetedza simba anotounza mari inodarika $580 miriyoni pagore kunharaunda dzenharaunda kuburikidza nemari yemutero uye kubhadharwa kweminda. Sezvo kutumirwa kunowedzera-bhatiri rekuchengetedza rakapetwa kaviri mukati megore ra2023-iyi mipiro yehupfumi inokura zvakaenzana.
Sisitimu-kunyatsoshanda zvakanaka kunovandudzika kuburikidza nekubatanidza zviri nani. Mhepo nesolar zvinogadzira magetsi ne-zero marginal cost kana zvangovakwa, asi masikirwo azvo aitoda kuti maturbine egasi arambe achishanda sekuchengetedza. Kuchengetedzwa kwesimba kwakamira kunotora kugadzirwa kwemagetsi kwakawandisa panguva-yakaderera uye inoaburitsa panguva yakakwira zvakanyanya, zvichideredza kudiwa kwezvisingashandi zvakanaka, zvinodhura zvefossil peaker plant.
Mune gidhi reCalifornia, chengetedzo ikozvino inogara inobata machira emanheru apo chizvarwa chezuva chinodonha zvakanyanya asi kudiwa kunoramba kwakakwira. Izvi zvinodzivirira kutanga maturbine egasi anodhura angangoshanda maawa mashoma. Iko kuunganidzwa kwakachengetwa kubva mukuderedzwa kwemafuta efossil uye kudzivirira kusashanda kugadzirwa kunodarika mabhenefiti ega ega.
Renewable Integration Inogadzira Compound Savings
Hukama huri pakati pekuchengetedza simba rakamira uye simba rinodzokororwa rinogadzira kuwanda kwete kwekuwedzera kukosha. Kuchengetera kunoita kuti chizvarwa chinogonekazve chishande mune zveupfumi mumashandisirwo apo chaimbove chisiri.
Solar nemhepo zvino gadzira magetsi akachipa pane mafuta efossil pamutengo wakayeredzwa-unodzika se$23-31 paMWh yezvishandiso-zvikero. Nekudaro, kupindirana kwavo kwakagadzira matambudziko ekubatanidza ayo kuchengetedza anogadzirisa. Nekutora chizvarwa chakawandisa uye nguva-kuchichinja kuti chienderane nezvinodiwa, mabhatiri anovhura kukosha kwakazara kweaya anodhura-pasi magetsi.
Hawaii inopa muenzaniso wakajeka. Kupinza mafuta ezvicherwa kuzviwi kunodhura zvakanyanya kudarika mitengo yemunyika. Mapurojekiti maviri achangoburwa eHawaiian Electric kusanganisa zvinobatikazve nekuchengetedza akawana masendi masere pakWh-hafu yemutengo wekugadzira mafuta ezvicherwa mudunhu. Chikamu chekuchengetera chinogonesa mapurojekiti aya kuti ape simba rinotumirwa rinokwikwidza nechizvarwa chechinyakare.
Kusimbisa mhepo uye kubuda kwezuva kuburikidza nekuchengetedza kunowedzera mari ine mwero. Kusimbisa magetsi emhepo kunoda 2-3 masendi pakWh, ukuwo kusimba kwezuva kunosvika masendi gumi pakWh nekuda kwemahwindo mapfupi ezuva nezuva. Kunyangwe nekuwedzera uku, misanganiswa inogonekazve-pamwe-yekuchengetera kazhinji inoderedza mamwe mafossil.
Iyo systemic athari inosanganisirwa sezvo mamwe marenewable anotumirwa. Imwe neimwe yekuwedzera gigawati yesolar kana mhepo inowedzera kukosha kwekumira kwesimba rekuchengetedza nekugadzira misiyano mikuru yemitengo pakati penguva yekuwedzeredza kugadzirwazve uye kushomeka. Misika ine yakakwirira inogoneka yekupinda inoratidzira chengetedzo inoshanda nepamusoro masimba zvinhu uye kutora yakakura arbitrage kukosha.
Chechipiri-Mabhatiri eHupenyu Anokiinura Akaderera-Sarudzo Dzemari
Nzira iri kubuda inowedzera kuderedza mari yekuchengetedza: kudzorerazve mabhatiri emotokari yemagetsi kune mashandisirwo egridi mushure mekunge asisakwanirise zvinodiwa nemotokari.
Mabhatiri eEV anowanzo mira kana simba radzika kusvika pa70-80% yepakutanga-ichiri kukwana kushandiswa kwakamira kusina kunyanyoda basa. Aya mabhatiri ehupenyu hwechipiri anodhura 30-70% pasi pemabhatiri matsva muna 2025, ane fungidziro inotangira pamadhora makumi mana nemazana mana nemakumi masere / kWh zvichienderana nekuyedzwa, kugadziridza chiyero, uye mamiriro emusika.
Kuwanikwa kwe-mabhatiri ehupenyu hwechipiri kuri kukura zvakanyanya. Mafungiro anoratidza mabhatiri eEV akarega basa anogona kudarika 200 GWh gore negore panosvika 2030-kupfuura kudiwa kwabatanidzwa kwekushandisa kutsva-chikero chekuchengetedza muzvishandiso zvakaderera uye zvepamusoro-soro. Izvi zvinogadzira musika wakakura ungangoita mari inodarika mabhiriyoni makumi matatu emadhora pasi rose.
Makambani anosanganisira Nissan, Renault, neBMW ave kutoshanda grid-akabatanidza nzvimbo dzakamira dzekuchengetera magetsi achishandisa mabhatiri eEV akashandiswazve. Redwood Materials munguva pfupi yapfuura yakaisa 63 MWh yesekondi-yekuchengetedza bhatiri rekuchengetedza data centers, zvichitaridza kubudirira kwekutengeserana pamwero mukuru.
Ongororo yezvehupfumi inoratidza echipiri-mabhatiri ehupenyu anogona kuwana kukosha kwe $116/kWh kana awanikwa aine 80% simba uye akashandiswa kusvika asvika 50%. Kune vanochengetedza simba vanoshanda, iyi yakaderera mutengo yekutora inovandudza hupfumi hwepurojekiti kunyangwe mushure mekuverengera kuyedza, kugadziridza, uye mari yekubatanidza.
Mabhenefiti ehupfumi edenderedzwa anowedzera kupfuura mutengo. Kushandisa mabhatiri eEV munguva yechipiri-maapplications ehupenyu kunoderedza kukanganisa kwezvakatipoteredza zvichienzaniswa nekungodzokorodza zvakare uku uchinonoka kudhura kwekurasa kune vanogadzira mota. Izvi zvinoshandura zvingave mari yekutonga marara kuita yakasara kukosha inotsigira kukwanisa kweEV.
Yakareba{{0}Yenguva Yekuchengeta Inovhura Mutengo Mutsva-Kuchengetedza Zvishandiso
Nepo mabhatiri elithium-ioni achibudirira pakushanda kwe2-6 maawa, arikusimuka-mazuva ekuchengetedza simba (LDES) achinangana ne10+ maawa ekubuda, achivhura mikana yakasiyana yekuderedza mutengo.
Ikozvino lithium-ion economics inoshanda zvakanaka pakuchovha bhasikoro zuva nezuva-kuchaja usiku, kuchibvisa panguva dzepamusoro-soro. Zvakadaro, matekinoroji eLDES anosanganisira mabhatiri ekuyerera, madhindindi ekuchengetedza mhepo, uye kero yekuchengetera mhepo inodziya kuchinja kwemwaka ne-zviitiko zvemamiriro ekunze akawanda.
Bazi reUnited States reMagetsi rakagadzira Yenguva Yakareba Kuchengeta Shot yakanangana nekudzikiswa kwemitengo panosvika 2030, ichivavarira kuita $0.05/kWh mutengo wakaenzana. Nepo mafungidziro azvino achiratidza matekinoroji akawanda anopfuura chinangwa ichi, kushandisa optimal innovation portfolios kunogona kuunza pumped hydropower, compressed air storage, uye kuyerera mabhatiri ari pasi pe $0.05/kWh.
Mutengo wemutengo unosimbisa sezvo nguva yekuchengetedza inowedzera. A 4-awa lithium-ion system inoita $200-250/kWh, asi kuwedzera kusvika kumaawa gumi inongowedzera mutengo kusvika pa $300-350/kWh nekuda kwesimba/simba mutengo chimiro. Masisitimu eLDES anogona kuwana hupfumi huri nani panguva yakareba.
Aya-akareba masisitimu anogonesa shanduko yakadzama yegridi. Panzvimbo pekungotsvedzerera mitoro yemazuva ese, LDES inogona kubvisa kudiwa kwekuchengetedza fossil mafuta ehuni sekuchengetedza mwaka. Ongororo inoratidza kuti mutengo uripo-unoshanda maLDES unogona kuderedza zvinodiwa paukuru hutsva hwegasi remusikirwo nepamusoro pe200 GW muinet-zero scenarios.
Zvimiro Zvemusika uye Zvikurudziro Zvinokudza Kuchengeta
Magadzirirwo emitemo uye magadzirirwo emusika anokanganisa zvakanyanya mutengo-unokwanisa kudzikiswa kubva pakuchengetedza simba rakamira.
Federal incentives kuburikidza neInflation Reduction Act inopa zvikwereti zvemutero zvekuchengetedza simba rakazvimirira, kuvandudza hupfumi hwepurojekiti. State-level renewable portfolio standards dzinowedzera kudiwa, ukuwo mamwe matunhu achipa zvichemo zvekuchengeta-California inotarisira 1,325 MW, Massachusetts inovavarira kuita 1,000 MWh, uye New York inoisa chinangwa che1,500 MW.
Capacity musika kutora chikamu kunowedzera mari hova kupfuura simba arbitrage. Masisitimu ekuchengetedza anogona kutengesa kugona kwavo kupa simba rakavimbika panguva yepamusoro pemamiriro ezvinhu, kugamuchira mubhadharo wekuwanikwa zvisinei nekutumirwa chaiko. Mimwe misika inobhadhara $50-150/kW-gore yezvibvumirano zvekugona kuita basa.
Masevhisi ekuwedzera anopa mikana-yakakosha. Kuchengetedzwa kwesimba kwakamisikidzwa kunokunda pa frequency regulation-kukurumidza kugadzirisa kubuda kuti grid irambe yakasimba-kuwana mibairo yenguva yekupindura nekukurumidza. Aya masevhisi anogona kugadzira $100-300/kW pagore zvichienderana nemitemo yemusika.
Virtual simba rekudyara zvirongwa zvinounganidza zvakagovaniswa midziyo yekuchengetera, zvichibvumira zvinoshandiswa kutumira ekugara uye ekutengesa mabhatiri panguva yekukwira kwehurongwa. Varidzi vanotora chikamu vanowana mubhadharo wekushanda uku vachidzikisa masisitimu-makombi akawanda. Iyi modhi inoshamwaridzana mabhenefiti kune vakawanda vatengi pane kuvaisa pavaridzi vane hombe system.
Nguva-ye-yekushandisa zvimiro zvinogadzira mikana yekusawirirana kune vatengi vekugara nevekutengesa. Nekuchinja kushandiswa kubva panguva dzinodhura dzepamusoro kuenda kumaawa akachipa ehusiku humwe, masisitimu ekuchengetedza anotora 10-15 cent pakWh musiyano. Kuchengetwa kwepagore kwemadhora mazana mashanu-2,000 kwakajairwa kuisirwa pekugara, nehurongwa hwekutengesa hunochengetedza zvakanyanya.
Ramangwana Mutengo Trajectories Point Downward
Mafambiro akawanda anoratidza kuenderera kuderedzwa kwemutengo kune yakamira simba rekuchengetedza kusvika muna 2030 zvichienda mberi.
Kugadzira chiyero kunofambisa kudzidza curve mabhenefiti. Kupetwa kwega kwega kwega kwega kwega kwega kwega kwega kwega kunoderedza mutengo webhatiri -ion ne18-28%. Nekufambiswa kwebhatiri repasi rose kunosvika 1 TWh muna 2024-yakawanda muvhiki imwe chete kupfuura gore rose makore gumi apfuura-iyo yekudzidza inoramba ichikwira.
Chemistry innovations inovandudza mutengo uye kuita panguva imwe chete. Sodium-mabhatiri eion anogona kuwana mari inosvika $0.31/kWh yakadzikira pane yazvino. Lead{{4}anatsurudzo yeasidhi inoratidza kugona kwakafanana. Idzi dzimwe nzira dzinoderedza kutsamira pane lithium yekugovera cheni uchiwedzera mikana yekushandisa.
Supply cheni yenzvimbo muUS neEurope ichakanganisa mitengo yedunhu. Nepo zvingango wedzera mitengo yenguva pfupi-zvichienzaniswa nezvinotengwa neChina, kugadzira mudzimba kunobatsira kubva kuIRA kunopa uye kunobvisa kuratidzwa kwemitero. Mafekitari akawanda egigawatt-akakura mabhatiri ari kuvakwa muNorth America yose.
Mutengo wakapfava{{0}kubvumidza, kubatanidza, mainjiniya, kuisa{1}}unoratidza kuwedzera kwezvikamu zvemitengo yese yesystem sezvo mitengo yehardware inodonha. Kumisikidzwa, maitiro ekubvumidza akakwenenzverwa, uye yakaunganidzwa yekuisa ruzivo inofanira kuderedza izvi zvikamu. Dzimwe fungidziro dzinoratidza kuti mitengo yakapfava inogona kudzikira 25-40% panosvika 2030.
Mafambiro akanaka-kutenderera rwendo rwunochengetedza simba rinoshandiswa pakufamba. Masisitimu eti lithium-azvino anoita 85-90% kushanda zvakanaka, asi madhizaini echizvarwa chinotevera anonanga 92-95%. Kuvandudzwa uku kunoratidzika kunge kudiki kunokanganisa zvakanyanya hupfumi hwehupenyu, kuderedza mari yekuchaja uye kuwedzera hunoshanda hunoshanda.
Mibvunzo Inowanzo bvunzwa
Ndeipi saizi yekuchengetedza system inodiwa pamutengo-unobudirira wekuveura ndebvu?
Sisitimu saizi inotsamira pane yako chaiyo mitoro mbiri uye peak yekuda kuchaja chimiro. Zvishandiso zvizhinji zvekutengesa zvinobatsirika kubva ku100-500 kWh masisitimu anokwanisa kuita maawa 1-3 ekubuda padanho repamusoro rekudzikisa mutoro. Ongororo yakadzama yemamita epakati data inoratidza yakakwana kugona-kazhinji inokwana kudzikisa peak kudiwa ne20-40% uchichengetedza hupfumi hwekuchaja mahwindo. Zvishandiso zvinobhadhara mari dzinodiwa pamusoro pemadhora gumi nemashanu/kW pamwedzi zvinowanzoona kudzoka mukati memakore mashanu-7.
Kuchengetera simba rekugara kunogona kuderedza mitengo pasina solar panel?
Hongu, kunyangwe hupfumi huchisiyana nenzvimbo. Dzimba dzine nguva{{1}ye-yemari dzekushandisa dzinogona purofiti kubva kune zvemazuva ese kunyangwe pasina kugadzirwa kwesolar nekuchaja mabhatiri husiku hwese pa$0.08-0.12/kWh uye kubuda mukati me $0.25-0.40/kWh pepamusoro pemanheru. Kuchengetwa kwe $40-100 pamwedzi kunowanikwa mune zvakanaka mareti zvimiro. Kuwedzera solar zvakanyanya kunatsiridza kudzoka nekubvisa mitengo yekuchaja zvachose uchitora mareti ekutenga akadzivirirwa zvakanyanya.
Mari yekuchengetedza inofananidzwa sei pamatekinoroji akasiyana?
Lithium-ion ndiyo inonyanya kushandiswa kushandiswa paavhareji pasi rose inosvika $165/kWh, nemari inosiyana kubva pa$85/kWh kuChina kusvika pa$236/kWh muUS Flow mabhatiri anoita $200-400/kWh asi anogara kwenguva refu achichovha bhasikoro. Mhepo yakadzvanywa uye pumped hydro zvinopa mutengo wakaderera pachiyero ($100-150/kWh) asi zvinoda chaiwo mamiriro enzvimbo. Chechipiri-hupenyu EV mabhatiri anopa yakanyanya hupfumi sarudzo pamadhora makumi mana nemana nemakumi masere / kWh zvichienderana nekusara kwesimba.
Ndedzipi mari dzekugadzirisa dzinofanirwa kutarisirwa pakuchengetedza zvakamira?
Kugadziriswa uye kugadzirisa kunowanzoita $5-15/kW pagore yezvishandiso-zvikero masisitimu, ane masisitimu edzimba anoda kugadziridzwa kushoma kudarika nguva nenguva uye kuongororwa kwesoftware. Kutsiviwa kwebhatiri kunomiririra mutengo wakakura kwazvo weupenyu-lithium-ion mabhatiri ekuderera angangoita 2-3% pagore, zvinoda kuchinjwa mushure memakore gumi-15 zvichienderana nekuwanda kwekushandiswa uye mamiriro ekunze. Inverter kutsiva kunoitika makore ese gumi-gumi nemaviri pane angangoita 15% yepakutanga system mutengo.
Kufambira Mberi
Kuchengetedzwa kwesimba remagetsi kunoshandura hupfumi hwemagetsi kuburikidza nekunangana kwekushandisa manejimendi, systemic grid mabhenefiti, uye inogonesa simba rekubatanidza. Nemitengo iri kuderera nekukurumidza uye maapplication achiwanda, kuchengetedza kuri kusimuka kubva kune niche tekinoroji kuenda kune mainstream infrastructure.
Masvomhu anoshanda zvakanyanya. A $500,000 yekutengesa bhatiri system inoburitsa $75,000 mumari yegore yekuda kubhadharisa mari uchibata $25,000 mumikana arbitrage inobhadhara mumakore mashanu. Batanidza kubhadharwa kwemasimba, zvikwereti zvesimba rinogoneka, kana mamwe mafambisirwo emari, uye kudzoka kunowedzera kukurumidza.
Makore gumi anotevera achaona mitengo yekuchengetera ichiramba ichidzika kusvika pamadhora zana/kWh kana kuti pasi pemasisitimu ekushandisa ukuwo kuiswa kwekugara kunosvika $200-300/kWh zvese-mukati. Panzvimbo dzemitengo idzi, chengetedzo inoita pfungwa yehupfumi yezvikumbiro zvakakura zvishoma nezvishoma pasina rubatsiro kana mamiriro emusika chaiwo.
Kumasangano ari kuongorora mabhindauko ekuchengetera zvinhu, mubvunzo hausi wekuti tekinoroji iyi inodzikisa mitengo-humbowo hwakawanda hunoratidza kuti inoita. Iyo chaiyo mibvunzo inosanganisira sisitimu saizi, sarudzo yekushandisa, uye nguva. Nekuvandudza hupfumi uye nekuwedzera mabhenefiti egidhi, iyo kesi yekumira yekuchengetedza simba inosimbisa pamwedzi.