Home solar 4 months in.
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 Dec 29 2024, 10:39 PM
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#1
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Senior Member
1,691 posts Joined: Nov 2008 
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Wanna ask…
Intending to get an EV car next Q1, single phase, house 24x80 metal roof deck facing south. Current consumption as below.. What do you guys propose for solar? TiA This post has been edited by Scissorshand: Dec 30 2024, 08:28 AM Attached thumbnail(s) 
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Dec 30 2024, 08:30 AM
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#2
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Senior Member
1,691 posts Joined: Nov 2008
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QUOTE(dwRK @ Dec 29 2024, 11:50 PM) he is probably asking how much kwp to get... but didn't give expected monthly mileage... Yes how much kwp should to get since if incl ev car without solar bills should increase by another perhaps $200 to less than $500 per mth? |
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Dec 30 2024, 06:05 PM
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#3
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Senior Member
1,691 posts Joined: Nov 2008
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Ok if with flat metal deck roofing, do u guys suggest micro or string type inverter?
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Dec 30 2024, 06:35 PM
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#4
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Senior Member
1,691 posts Joined: Nov 2008
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QUOTE(takbodoh722 @ Dec 30 2024, 05:37 PM) 780kwh this month on 8.5kw system. lowest 12.2kwh daily, highest daily 42kwh. Pls advise what panel, inverter brand and supplier… thanksOverall 18% higher than Nov. Surprising since Dec supposed to be wetter than Nov. |
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Jan 7 2025, 11:20 PM
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#5
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Senior Member
1,691 posts Joined: Nov 2008
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QUOTE(ccschua @ Jan 2 2025, 08:37 AM) around 21k (cash) Can share contact pls thanks |
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Jan 8 2025, 09:03 AM
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#6
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Senior Member
1,691 posts Joined: Nov 2008
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Received this from PG so far the rest mcm slowpoke.. what should I be concerned about and nego lower?
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Jan 8 2025, 10:18 AM
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#7
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Senior Member
1,691 posts Joined: Nov 2008
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QUOTE(sgpdsmss @ Jan 8 2025, 09:22 AM) how much your tnb monthly bill ? Now less than $300 later with ev expected more |
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Jan 8 2025, 10:50 AM
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#8
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Senior Member
1,691 posts Joined: Nov 2008
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QUOTE(Dweller @ Jan 8 2025, 10:31 AM) this is with 60 months instalment or lump sump payment? As belowThis post has been edited by Scissorshand: Jan 8 2025, 11:05 AM Attached thumbnail(s) 
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Jan 9 2025, 08:24 PM
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#9
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Senior Member
1,691 posts Joined: Nov 2008
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Guys
Got a quote for verdant They claim single phase not allow 12 panel instead only 10 panel. If other able to install 12 panel then it’ll be risk to owners. If any further action from TNB they will not take the responsibility. Because the NEM certificate only will show 5kWac. Any guidance |
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Jan 10 2025, 09:20 AM
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#10
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1,691 posts Joined: Nov 2008
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QUOTE(bee88 @ Jan 9 2025, 10:29 PM) I don’t think they are using 750w panel yet. Per their quote they are using 610w panel x 11 generating only 671kwpQUOTE(Genosyde @ Jan 9 2025, 11:05 PM) kWp or kilowatt peak refers to the capacity of the panels. NotedkWac refers to the capacity of the inverter. I have a 6.44 kWp system on single phase consisting of 11 585W panels paired with a 5 kWac inverter. Though 750W panels do exist, it is unlikely the installer is using those. Most likely it has something to do with the sizing based on your electricity bill. While you can go as high as 7.5 kWp for the panels, the amount of power that can be exported to the grid is limited by the 5 kWac inverter. During peak hours, some power is wasted because the inverter can't export it. This is called clipping. While some clipping is acceptable, too much clipping is wasteful and thus lengthens your ROI period. |
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Jan 13 2025, 09:16 PM
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#11
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Senior Member
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QUOTE(ccschua @ Dec 31 2024, 09:17 AM) Just install solar panel 7.34KWp with microinverters from PG. took 2 days and now waiting for TNB to energize. Bro how much did this package cost?1.Hook & railing installation - 100% DONE✅ 2.Panel hoisting, installation, alignment - 100% DONE✅ 3.DC/AC and Earthing cable lay & termination - 100% DONE ✅ 4.Inverter & combiner box installation - 100% DONE ✅ 5.Trunking AC installation - 100% DONE ✅ 6.System testing and monitoring - 100% DONE ✅ 7.Housekeeping - 100% DONE ✅ now waiting for TNB to energize the export feature. will take upto 2 weeks. |
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Jan 13 2025, 10:56 PM
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#12
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Senior Member
1,691 posts Joined: Nov 2008
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QUOTE(sgpdsmss @ Jan 13 2025, 10:11 PM) already decided which one to go ? Undecided likely will alphapg or verdant ? haha ... NEM certificate only will show 5kWac. what is the meaning for 5kWac , but we install 7.38kwp .. tnb grid will limit to certain value ? thanks ... |
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Jan 14 2025, 01:40 PM
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#13
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Senior Member
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QUOTE(bleeper @ Jan 14 2025, 12:27 PM) 5kw Huawei inverter. So if it's showing active power generated by my panels is above 5kw (i.e 6kw), then 5kw will be exported to grid and remaining is considered lost energy? QUOTE(mac_mac21 @ Jan 14 2025, 01:23 PM) This question never ask PG before? Think it’s called clipping |
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Jan 14 2025, 04:00 PM
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#14
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Senior Member
1,691 posts Joined: Nov 2008
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QUOTE(mac_mac21 @ Jan 14 2025, 01:36 PM) so Hms 2000 micro inverter only can convert 2kw max DC to AC? No point max tnb will accept is 5kvac if not mistakenMeans need to add 1 more unit to maximize 7.38kw? QUOTE(sgpdsmss @ Jan 14 2025, 02:07 PM) no wor....ha..ha Doubt so unless u charge ev during daytime to prevent “clipping” if I’m not mistakenNEM Cert declared max 5kwac meaning max can export to tnb only 5kwac? my panels production extra 1.xxkwp may carry forward to next month ? This post has been edited by Scissorshand: Jan 14 2025, 11:27 PM |
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Jan 19 2025, 09:08 AM
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#15
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QUOTE(nikrizal @ Dec 6 2024, 08:52 PM) 23K cash and also EPP, but I paid RM4000 cash, EPP for balance RM19,000. Because 4000 later on solaris refunded 😊 Bro pls adv number of panels, type of panels and inverter Thanks |
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Jan 21 2025, 07:48 AM
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#16
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Senior Member
1,691 posts Joined: Nov 2008
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QUOTE(MGM @ Jan 20 2025, 06:40 PM) I was quoted rm16k for 4.92kwp n 22k for 7.38kwp, a diff of 6k. this fro pg ka? 😝 |
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Feb 22 2025, 07:17 AM
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#17
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Senior Member
1,691 posts Joined: Nov 2008
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QUOTE(klganes @ Feb 21 2025, 07:15 PM) Tats good, their price is very competitive and they throw in high quality product. Today they update that received NEM approval. What are u getting and the spec? |
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Feb 25 2025, 08:28 PM
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#18
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Senior Member
1,691 posts Joined: Nov 2008
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Wanna ask if this is even average? What would be the ideal?
This post has been edited by Scissorshand: Feb 25 2025, 09:30 PM Attached thumbnail(s) 
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Mar 1 2025, 12:56 PM
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#19
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Senior Member
1,691 posts Joined: Nov 2008
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Am wondering while awaiting TnB to issue welcome letter or even change meter (my new digital meter changed mid last year) is there benefit to switch ON at db control cos installer asked to switch off until receive welcome letter from tnb?
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Mar 1 2025, 04:32 PM
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#20
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Senior Member
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QUOTE(bee88 @ Mar 1 2025, 01:05 PM) Can on, provided u monitor ur 01 reading. Digital meter doesn’t mean bidirectional. Do u have 51 reading? QUOTE(kucingfight @ Mar 1 2025, 04:14 PM) Mine also waiting. Mine has 51reading..can juz switch on? Will the current bill be 'offset' or it won't? My current meter is this type.. do advise*photos removed d* This post has been edited by Scissorshand: Mar 2 2025, 02:16 PM |
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