Nyob rau hauv xyoo tas los no, lub hnub ci zog tau dhau los ua qhov kev siv hluav taws xob nrov zuj zus rau cov tsev thiab kev lag luam. Raws li tib neeg nrhiav kom txo lawv cov nqi hluav taws xob thiab cov pa roj carbon hneev taw, qhov kev thov rau hnub ci photovoltaic (PV) tshuab tau loj hlob. Ib qho ntawm cov lus nug ntau tshaj plaws uas cov neeg siv khoom hnub ci nug yog: Ntau npaum li cas yog 7 kW hnub ci system? Cov lus teb rau lo lus nug no nyob ntawm ntau yam, suav nrog hom vaj huam sib luag, cov nqi teeb tsa, thaj chaw thaj chaw, thiab cov khoom siv hauv lub cev xws li hnub ci cables thiab hnub ci xov hlau.
Hauv tsab xov xwm no, peb yuav tshawb xyuas cov nqi cuam tshuam nrog lub hnub ci 7 kW, cov khoom sib txuas (nrog rau lub luag haujlwm tseem ceeb ntawm cov hnub ci cables thiab cov xov hlau), thiab cov yam ntxwv uas tuaj yeem cuam tshuam tus nqi kawg.
Dab tsi yog 7 kWHnub Ci System?
Lub hnub ci 7 kW yog hais txog tag nrho cov hluav taws xob tsim hluav taws xob muaj peev xwm ntawm lub hnub ci vaj huam sib luag. Lub "kW" sawv cev rau kilowatt, uas yog ib chav tsev ntawm lub zog sib npaug rau 1, 000 watts. Lub hnub ci 7 kW tuaj yeem tsim hluav taws xob 7 kW nyob rau hauv lub hnub ci pom kev zoo, txawm hais tias qhov tseeb ntawm cov hluav taws xob tsim tawm tuaj yeem sib txawv raws li ntau yam xws li vaj huam sib luag efficiency, thaj chaw, thiab hnub ci txhua hnub.
Ib lub hnub ci 7 kW feem ntau haum rau cov tsev loj, kev lag luam me, lossis ua liaj ua teb uas siv hluav taws xob ntau dua. Nws muaj peev xwm tsim tau ntawm 28 kWh thiab 35 kWh ib hnub twg, nyob ntawm qhov chaw nyob thiab lub sijhawm xyoo. Qhov no yog txaus los npog cov kev xav tau ntawm lub zog ntawm lub tsev nruab nrab nrog ntau tus neeg nyob, tshwj xeeb tshaj yog tias lub tsev siv hluav taws xob rau cua sov, cua txias, thiab cov khoom siv hluav taws xob siab.
Cov yam ntxwv cuam tshuam rau tus nqi ntawm 7 kW Hnub Ci System
Tus nqi ntawm 7 kW hnub ci tuaj yeem sib txawv raws li ntau yam tseem ceeb:
1. Hom ntawmHnub Ci Vaj Huam Sib Luag
Hom hnub ci vaj huam sib luag koj xaiv ua lub luag haujlwm tseem ceeb hauv tag nrho cov nqi ntawm lub cev. Muaj peb yam tseem ceeb ntawm lub hnub ci vaj huam sib luag, txhua tus muaj cov ntsiab lus sib txawv thiab kev ua tau zoo:
Monocrystalline Hnub Ci Vaj Huam Sib Luag: Cov vaj huam sib luag no yog tsim los ntawm ib qho kev siv lead ua txuas ntxiv, uas ua rau lawv muaj txiaj ntsig zoo (18% txog 22%) thiab kim dua. Lawv feem ntau raug nqi siab dua li lwm hom hnub ci vaj huam sib luag tab sis muab lub zog ntau dua ib square feet, uas tuaj yeem muaj txiaj ntsig zoo rau cov tsev uas tsis muaj qhov chaw ru tsev.
Polycrystalline Hnub Ci Vaj Huam Sib Luag: Cov vaj huam sib luag no yog tsim los ntawm cov pob zeb silicon uas tau yaj ua ke, ua rau muaj kev ua haujlwm qis dua (15% mus rau 18%) piv rau monocrystalline panels. Polycrystalline panels feem ntau pheej yig dua, ua rau lawv yog ib qho kev xaiv zoo rau cov tswv tsev nrog cov ru tsev loj dua uas tab tom nrhiav kev daws teeb meem.
Nyias-Film Solar Panels: Cov no yog cov khoom kim tshaj plaws nyob rau hauv cov nqe lus ntawm tus nqi pem hauv ntej tab sis kuj yog qhov tsawg kawg nkaus (10% txog 13%). Nyias-zaj duab xis panels xav tau ntau lub ru tsev qhov chaw los ua kom muaj zog tib yam li monocrystalline lossis polycrystalline panels, uas tuaj yeem ua rau tag nrho cov kab ke loj thiab kev teeb tsa.
2. Qhov chaw thiab Hnub Ci Sijhawm
Lub hnub ci koj cheeb tsam tau txais ncaj qha cuam tshuam rau kev ua haujlwm thiab kev ua haujlwm ntawm koj lub hnub ci. Cov cheeb tsam uas tau txais ntau hnub ci, xws li cov nyob ze rau ntawm txoj kab nruab nrab, yuav tsim hluav taws xob ntau dua li cov cheeb tsam uas muaj hnub ci tsawg. Nyob rau hauv qhov chaw tshav ntuj, lub zog 7 kW tuaj yeem tsim hluav taws xob ntau dua thiab xav tau cov vaj huam sib luag tsawg dua, thaum nyob hauv thaj chaw huab cua, ntau lub vaj huam sib luag lossis cov kab ke loj dua yuav tsim nyog kom tau raws li qhov xav tau ntawm lub zog tib yam.
3. Cov Nqi Them Nqi
Cov nqi teeb tsa tuaj yeem sib txawv nyob ntawm qhov nyuaj ntawm qhov system, hom ru tsev, thiab tus nqi zog hauv koj cheeb tsam. Tus qauv 7 kW feem ntau yuav tsum tau nruab nrab ntawm 20 rau 30 hnub ci vaj huam sib luag, ntxiv rau cov khoom ntxiv xws li inverters, thaiv, thiab mounts. Cov nqi teeb tsa feem ntau yog li ntawm $0.50 txog $1.00 ib watt, uas txhais tau tias koj tuaj yeem them txhua qhov chaw ntawm $3,500 txog $7,000 rau kev ua haujlwm thiab teeb tsa ntxiv rau tus nqi ntawm cov panels lawv tus kheej.
4. Hnub Ci Inverter Cov Nqi
Lub inverter yog ib qho tseem ceeb ntawm lub hnub ci uas hloov cov hluav taws xob ncaj qha (DC) hluav taws xob tsim los ntawm cov vaj huam sib luag rau hauv hluav taws xob hloov hluav taws xob (AC), uas yog siv los ntawm koj cov khoom siv hauv tsev. Tus nqi ntawm lub inverter tuaj yeem sib txawv raws li hom thiab hom, tab sis rau 7 kW system, lub inverter zoo feem ntau raug nqi ntawm $ 1, 000 thiab $ 2, 000.
Muaj ob lub ntsiab ntawm inverter:
Txoj hlua Inverters: Cov no yog cov kev xaiv zoo tshaj plaws thiab raug nqi. Lawv txuas tag nrho cov panels nyob rau hauv ib tug series, hloov lub zog DC rau hauv AC. Lawv yog cov zoo tagnrho rau cov tshuab nrog cov shading thiab lub ru tsev kaum sab xis.
Microinverters: Cov no tau nruab rau ntawm txhua tus neeg lub hnub ci vaj huam sib luag, tso cai rau kev ua haujlwm zoo dua nyob rau hauv cov xwm txheej uas cov vaj huam sib luag yuav raug ntxoov ntxoo ntawm ntau lub sijhawm ntawm hnub. Microinverters zoo li yuav kim dua tab sis yog qhov zoo tagnrho rau cov tsev uas muaj ib nrab ntxoov ntxoo ru tsev.
5. Solar Cables thiab Hlau
Hnub ci cables thiab hnub ci xov hlau yog cov khoom tseem ceeb uas txuas lub hnub ci vaj huam sib luag rau lub inverter thiab lwm qhov system. Cov kab hluav taws xob no yuav tsum tau tsim tshwj xeeb los tswj cov kev xav tau tshwj xeeb ntawm lub hnub ci lub zog, suav nrog cov tam sim no siab, UV raug, thiab huab cua sab nraum zoov.
Hnub ci cables feem ntau ua nrog tooj liab lossis txhuas thiab coated nrog cov rwb thaiv tsev zoo los tiv thaiv cov ntsiab lus. Feem ntau hom hnub ci cables suav nrog TUV-rated cables thiab MC4 hnub ci cables, uas yog siv los txuas cov hnub ci vaj huam sib luag rau lub inverter.
Hnub ci xov hlau (tus neeg xyuas pib hauv cov cables) raug xaiv raws li lub peev xwm tam sim no thiab qhov hluav taws xob ntawm qhov system. Rau 7 kW system, ib qho kev ntsuas hluav taws xob zoo yuav muaj li ntawm 10 AWG txog 6 AWG, nyob ntawm qhov kev ncua deb ntawm lub hnub ci vaj huam sib luag thiab lub inverter thiab qhov xav tau tam sim no.
Tus nqi ntawm cov hnub ci cables thiab cov xaim hluav taws xob feem ntau ua rau ib feem me me ntawm tag nrho cov nqi hluav taws xob, tab sis lawv yog qhov tseem ceeb rau kev ua kom lub cev ua haujlwm zoo thiab nyab xeeb. Qhov nruab nrab, tus nqi ntawm kev xaim rau 7 kW qhov system tuaj yeem nyob ntawm $ 300 txog $ 600, nyob ntawm qhov nyuaj thiab qhov kev ncua deb.
6. Ntxiv Cheebtsam thiab Tso Cai
Ntxiv nrog rau cov panels, inverter, thiab cables, muaj lwm yam khoom thiab cov nqi koom nrog hauv lub hnub ci kev teeb tsa. Cov no yuav suav nrog:
Mounting kho vajtse: Cov thav duab thiab cov hlua khi uas ruaj ntseg cov panels rau koj lub ru tsev. Nyob ntawm koj lub ru tsev hom (piv txwv li, sloped lossis tiaj tus), qhov no tuaj yeem ntxiv ntawm $ 500 thiab $ 1,500 rau koj tus nqi tag nrho.
Cov roj teeb (yog tias ntxiv cia): Qee cov tswv tsev xaiv lub hnub ci roj teeb cia kom khaws cov khoom siv hluav taws xob ntau dhau los ntawm nruab hnub rau kev siv hmo ntuj. Lub tshuab roj teeb tuaj yeem ua rau tus nqi nce siab, nrog rau cov nqi txij li $5,000 txog $10,000 rau lub roj teeb tag nrho.
Tso cai thiab tshuaj xyuas: Cov tsoomfwv hauv nroog feem ntau xav tau kev tso cai rau kev teeb tsa hnub ci, uas tuaj yeem ntxiv $ 500 rau $2,000, nyob ntawm koj qhov chaw.
Nqe Ntau rau 7 kW Hnub Ci System
Muab cov ntsiab lus hais saum toj no, tag nrho cov nqi ntawm 7 kW hnub ci system yuav txawv. Qhov nruab nrab, koj tuaj yeem cia siab tias yuav them ntawm $ 14, 000 thiab $ 21, 000 ua ntej muaj kev txhawb siab lossis cov qhab nia se. Tus nqi no suav nrog tus nqi ntawm cov panels, inverter, installation, thaiv, thiab lwm yam khoom tsim nyog.
Tsawg kawg kwv yees: A 7 kW system siv polycrystalline panels thiab ib txoj hlua inverter yuav raug nqi ib ncig $14,000.
Kev kwv yees siab kawg: Kev ua haujlwm zoo dua 7 kW siv cov monocrystalline panels thiab microinverters, nrog rau cov roj teeb cia, tuaj yeem raug nqi ze dua $ 21, 000.
Solar Incentives thiab Rebates
Hauv ntau thaj tsam, kev teeb tsa hnub ci tsim nyog rau tsoomfwv cov kev txhawb siab, cov nyiaj them se rov qab, thiab lwm yam kev txhawb nqa nyiaj txiag, uas tuaj yeem txo tus nqi tag nrho ntawm koj lub hnub ci. Piv txwv li:
Hauv Tebchaws Meskas, tsoomfwv tau muab Solar Investment Tax Credit (ITC), uas tso cai rau koj txiav ib feem (26% hauv 2021) ntawm tus nqi ntawm kev txhim kho lub hnub ci los ntawm koj cov se tseemfwv qib siab. Qhov no tuaj yeem txo tus nqi ua ntej ntawm koj lub hnub ci 7 kW.
Xeev thiab hauv zos kev txhawb siab: Nyob ntawm koj qhov chaw nyob, koj tuaj yeem tsim nyog tau txais cov qhab nia se ntxiv hauv xeev lossis hauv zos, cov nyiaj rov qab, lossis kev txhawb nqa raws li kev ua haujlwm.
Los ntawm kev tsim cov kev txhawb siab no, koj tuaj yeem txo tus nqi tag nrho ntawm 7 kW hnub ci zog los ntawm ntau txhiab daus las.
Yuav Siv sijhawm ntev npaum li cas los them rov qab 7 kW Hnub Ci System?
Lub sij hawm them rov qab rau 7 kW hnub ci yog nyob ntawm koj cov nqi hluav taws xob, kev siv hluav taws xob, thiab lub hnub ci koj qhov chaw tau txais. Qhov nruab nrab, lub hnub ci nyob hauv tsev tuaj yeem them nws tus kheej tsis pub dhau 6 txog 12 xyoo.
Hauv thaj chaw uas muaj hluav taws xob siab thiab ntau lub hnub ci, lub sijhawm them rov qab tuaj yeem luv dua.
Hauv cov cheeb tsam uas muaj hluav taws xob qis dua lossis qis dua hnub ci, lub sijhawm them rov qab tuaj yeem ntev dua.
Lub neej ntev ntawm lub hnub ci yog feem ntau 25 txog 30 xyoo, thiab thaum lub kaw lus them nyiaj, nws tuaj yeem tsim hluav taws xob dawb tau ntau xyoo, txo koj cov nqi hluav taws xob.