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 Home solar 4 months in.

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adamw
post Feb 24 2024, 11:38 PM

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QUOTE(teslaman @ Feb 24 2024, 10:54 PM)
So direct feed to network

and night time withdraw from TNB

I have farm, meter on commercial rate, there is such scheme also ?
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Yes, under Nova. If you can cut off the middleman ROI would be greatly reduced. This month will import 2 more pallets of panels but this round will try new brand instead of Trina.

This post has been edited by adamw: Feb 24 2024, 11:39 PM
adamw
post Feb 25 2024, 12:47 AM

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QUOTE(ListenToTheWind @ Feb 24 2024, 11:48 PM)
If we import and setup our own, can get approval from TNB for their NEM program? From where I read on TNB, need to appoint a contractor.
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Yes, need go through a PV Service Provider(RPVSP)
QUOTE(ListenToTheWind @ Feb 25 2024, 12:01 AM)
I just check around. 20 panels 500w cost about rm6k, really can save a lot money.
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Tier 1 brand A grade 500W can get RM300 here? I don't need to import already if like that.
QUOTE(Ivan113 @ Feb 25 2024, 12:31 AM)
Is the solar collection consistent through out the entire year? Feels like some certain month it's always raining or cloudy
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Average, so good months will cover up for the bad months. TNB will stored your excess for 1 year.

This post has been edited by adamw: Feb 25 2024, 12:58 AM
adamw
post Feb 25 2024, 09:18 AM

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QUOTE(yeapsc73 @ Feb 25 2024, 08:48 AM)
Trina is AAA grade for solar panel Woh

U should worry more on the inverter instead
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The panel will be up on the roof for 10 years up so I worry more on the quality of it rather than inverter. If Micro inverter can get 10-12years warranty, easier to claim. Panels very tedious processs to claim warranty so I make sure I get the best. My next target is to test Hi-Mo 7.
adamw
post Feb 29 2024, 04:24 PM

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QUOTE(etan26 @ Feb 29 2024, 12:34 PM)
Ada warranty la boss ......

Those install in FIT in 2011 should answered you ... more than 12 years

Btw we don't just pay 50k .... got 0% interest installments la dei....
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I don't support his rationale of not installing solar but it's true in a way, my neighbour have to cough out 10k to change 12 miserables 360W panel because the original FIT supplier already gulung tikar & since he still got 10 years of income it's still worthwhile to change.
adamw
post Feb 29 2024, 05:01 PM

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QUOTE(bee88 @ Feb 29 2024, 04:33 PM)
If you says that he has 10 years of fit left, means that he has used the panel for 15 years already. 

And to think that the panel on those days can last 15 years that time, it’s quite impressive already. 

But iinm, u cannot increase the capacity of the kw for fit. They are very strict with that.

Yea. There is a risk of solar company disappear or gulung jor. So it’s best to get from companies with a longer history in the business I guess.
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Fit not 20 years? He told me panel is 10 years old FIT still another 10 years to go so it's worthwhile to change.
QUOTE(yeapsc73 @ Feb 29 2024, 04:42 PM)
i think the replacement costs should be quite cheap for that capacity, maybe less than 10k

i remember FIT sell back price to TNB is very high, RM1 plus per kwh, ROI probably less than 2 years
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Yes currently getting 1/2 of original capacity so I think ROI maybe 3 years but if performace consistant from 4th is pure profit!

This post has been edited by adamw: Feb 29 2024, 05:03 PM
adamw
post Feb 29 2024, 05:09 PM

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QUOTE(cdspins @ Feb 29 2024, 05:02 PM)
So what will you suggest to be use to evaluate as in your opinion you think that ROI it is not reliable?

For common consumers... the tariff... which can be tracked all through the years is easy to understand and can be use fairly easily to know if one earn or loss from his Solar project. That will be the predicted ROI.

Of course you are not totally wrong as the ROI is calculated based on current and previous tariff which is predicted to constantly increase. But who know suddenly there is a new oid field found and oil price drop dirt cheap and electric tariff follow suit, or some mad scientist suddenly able to produce electricity out of thin air and electricity tarif price drop rendering solar ROI to zero.
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Slowly wait la! Irrespective who is the current government if got extra $$ will say support Palestine la, Jakim, JKOM and own pocket first, TNB will always goes up will never go down! brows.gif
QUOTE(Accord2018 @ Feb 29 2024, 05:07 PM)
How you check how much ur solar generate the power per day? Is there something like your smartphone can know the percentage of your battery? If not then you just don't know ler since tnb install all for you only.

If private company its very risky and expensive as they can anytime close shop and then open a new company again
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Nowadays almost everthing also got app or browser view in real time!

This post has been edited by adamw: Feb 29 2024, 05:43 PM


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adamw
post Feb 29 2024, 06:01 PM

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QUOTE(Accord2018 @ Feb 29 2024, 05:28 PM)
Then take video show the power meter here instead of all just words. If cannot accept criticism why open thread? We are now accessing evidence not just words.
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Satisfy?


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adamw
post Feb 29 2024, 06:24 PM

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QUOTE(yeapsc73 @ Feb 29 2024, 06:07 PM)
this is the smallest system i have seen. how much u pay for it ya bro?
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Under testing only 3kW. Tuition cost ver high brows.gif
adamw
post Feb 29 2024, 06:26 PM

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QUOTE(Accord2018 @ Feb 29 2024, 06:22 PM)
That mastika is tnb app mer? I only want to know about tnb 1 since belongs to gomen,

If private company no need because anytime can chap lap aka gulung tikar. No point to know.
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Bye, you are wasting my time & will joined the league of legend rclxs0.gif
adamw
post Feb 29 2024, 06:36 PM

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QUOTE(bee88 @ Feb 29 2024, 06:34 PM)
Honestly, why mention battery in the first place? The nem system no batteries la.  To be honest, I have got data of fit users but I don’t think I would like to share here coz you are not planning to understand or learn.  Kinda trolling most of the time.
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I regretted feeding the troll, just put this idiot on your ignored list!
adamw
post Feb 29 2024, 09:44 PM

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QUOTE(dirtinacan @ Feb 29 2024, 09:37 PM)
Capacity 565w x 12 panels.

But limited by inverter rating and 4 panels facing north.

Inverter is 1.8kw x 3.

Max inverter output is 1.932kw though (483w per panel)
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The hoymiles total 1.8kW(1.932kW) is the limit, extra panels wattage get you more power when weather not so good.
adamw
post Mar 1 2024, 12:21 AM

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QUOTE(yeapsc73 @ Feb 29 2024, 11:49 PM)
Supposingly at max sun brightness, the output is kept at 1800W or 1932W for this inverter? Any input power over 1800W will be tapered off?
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Yes, my Projoy 3kW max also I get is 3.2kW even though my panel total wattages is 3.9kW.
adamw
post Mar 1 2024, 10:30 AM

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QUOTE(cdspins @ Mar 1 2024, 12:27 AM)
Actually when you sell a house with NEM, the whole system is transferable.... just  add up in the house price...
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Most buyers usually will lowball you on that!
QUOTE(yeapsc73 @ Mar 1 2024, 12:41 AM)
For my case, my inverter rated 2000W, clipping at 536W

My panel is rated 600W, but max input to the inverter is 536W due to clipping

But 4 X 536W will get 2144W, more than the inverter 2000W rating, so output of inverter will be clipped again to 2000W or still remained at 2144W?
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Depends on your inverter brand & it's efficiency ratings.
QUOTE(bee88 @ Mar 1 2024, 03:42 AM)
It depends on the system size. For example, a 40k system from company A , at a difference of 8% is going to be 3.8k more.

This will affect the ROI in long term.

For smaller system, the roi is already long, so even an 8% difference will have significant delay on the roi, making it not so  worth anymore for the hassle.

But yes, always compare few prices, and the specs of the packages you will get coz it’s a system that you are going to use for long term.  Get what you are comfortable with.

For smaller system, based on my experience, the difference isn’t that big, because most solar companies has a minimum price that they want for each project. They are not so keen on small project nowadays. Doing a 4kwp project takes a similar time for completing a 9kwp project, so they don’t really look at smaller project. But if willing to dig further, perhaps the difference could be quite big too based on my experience.  It could be larger than 8%. I would say the Tnb company  price is usually 20% or more  than others most of the time
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First time I hear somebody saying Gsparx is good actually! Anyway some company in fact will only do 3 phase 10kW up. Labour & their time to do a bigger system not much difference so with market throwing prices it's just not worthwhile for the smaller company to do single phase 4-6kW. Anyway if anyone would like to do it more economically but you might need to spend some time to study the system yourself can asked me. Like buying your own panels/inverter from China and getting NEM vendor to endorsed it.

This post has been edited by adamw: Mar 1 2024, 10:40 AM
adamw
post Mar 1 2024, 01:11 PM

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QUOTE(sansaboy @ Mar 1 2024, 12:24 PM)
Good discussion thread for home solar
Learn a lot from here

Now I start searching for installer
So far from what I read here :

Many ppl recommend path green  ( because their micro inverter cheaper than others)

Gspark slightly expensive ( but backed by Tnb)

Any other installer recommend ?
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What is your intended capacity? Single or 3 phase?
adamw
post Mar 1 2024, 07:40 PM

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QUOTE(sansaboy @ Mar 1 2024, 01:21 PM)
3 phase

Now tnb bill is rm 600+
Future usage might increase if more EV and family members stay with us
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Go for max NEM 12kW inverter. Rm600+ includes EV charging?
adamw
post Mar 6 2024, 12:07 PM

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QUOTE(Keng @ Mar 6 2024, 10:21 AM)
Anyone tried installing solar panel on awning? Or better still, use solar panel as awning? I've plans to install awning at my parents' driveway, so thinking if its possible to do so. The driveway also gets unblock sunlight throughout the day.
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Currently helping a friend to customised his solar carport, already sent his requirements to supplier, no reply yet
adamw
post Mar 6 2024, 05:43 PM

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QUOTE(nottherealme @ Mar 6 2024, 05:13 PM)
one of my neighbour got his solar installed by this company called Northern Solar. Very very bad service. During pitching everything is good, however the headache came during the installation part. During installation day, appointment made at 9am but the contractor end up coming at 2-3pm despite several reminders and kept calling the sales guy.

When contractor finally came, he said no one from the company inform him. Anyway, installation done and then got leaking issue. contacted the sales guy but he kept pushing the blame to my neighbour instead of rectifying it. So, my neighbour contacted the contractor directly and turns out its a sub con and he said he can't do anything because the solar company did not pay them and all the other sub con for a long time. So they asked the sales guy if can fix on our own and claim from your end, he said can. so proceed with own fixing and at the end now say cannot claim. Left google review but it has been deleted.

Avoid this company, Northern Solar. They offer cheap package but come with a lot of problem after. Not worth the saving. Heard from the contractor also that a lot customer complain but no action taken.
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Arif Sulaiman
1 review
a month ago
One of the worst solar company in Malaysia. Dealt with a guy named Nicolas and no update ever. Pushed the blame to a guy named Isaac that is very very incompetent. No idea who is at fault. Please avoid this company at all cost. On top of that asked for a refund but they kept delaying.

You posted your review again? brows.gif
QUOTE(Keng @ Mar 6 2024, 03:47 PM)
Ooo, keep me posted! I'm very much interested in this setup.
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Sure

This post has been edited by adamw: Mar 6 2024, 05:47 PM


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adamw
post Mar 11 2024, 12:17 PM

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QUOTE(Redundant @ Mar 11 2024, 11:10 AM)
I think 22k includes 3 phase already… how would I know how much is enough to cover my monthly usage?

user posted image
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Get them to put the hoymiles model in ink! Is it 3 X HMS-2000-4T and can get upto 12 years warranty previously for micro inverter without additional charges.

This post has been edited by adamw: Mar 11 2024, 12:19 PM
adamw
post Mar 15 2024, 11:06 PM

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QUOTE(Ichitech @ Mar 15 2024, 10:11 PM)
Soalan bodoh, if my bill is rm200 and I have the same exact setup as yours, so tnb need to pay me RM200-RM559=359
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Yes, year end got Angpow also brows.gif
adamw
post Mar 27 2024, 03:54 PM

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Good news for those going for NEM4k rebate

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