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 Home solar 4 months in.

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loserguy
post Oct 3 2023, 12:07 PM

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QUOTE(dudester @ Oct 3 2023, 11:59 AM)
Strange question.
I have plans to renovate house, maybe fix/replace roof tiles.
If i am installing Solar Panel, does it mean i dont need to care the part cover by panels?
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No, solar panels are above the tiles. Rain water will flow in from the uncovered parts higher than the solar panel, so you still need those tiles.

user posted image

Nice idea though, lol. They have solar tiles, but I don't think we have them here.
loserguy
post Oct 3 2023, 12:15 PM

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QUOTE(dudester @ Oct 3 2023, 12:10 PM)
Yes I mean like this pic. The panels will add as a layer over roof tiles. Means it provide some weathering over existing tiles, I dont have to rebuild my old tiles.
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As long as there are no leaks, please remember that the water will still flow under the solar panels from the parts left uncovered by the panels.

Nowadays not easy getting people to climb up there for roofing works. Very expensive even if can find sweat.gif
loserguy
post Oct 3 2023, 12:20 PM

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QUOTE(dudester @ Oct 3 2023, 12:17 PM)
good point. if there is leak under the panel. headache to fix tiles !
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They can access from below.
loserguy
post Mar 28 2024, 03:46 PM

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QUOTE(adamw @ Mar 27 2024, 03:54 PM)
Good news for those going for NEM4k rebate
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hmm, sounds like a good deal. anyone got any details or not?
loserguy
post Jun 26 2025, 08:59 PM

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This post has been edited by loserguy: Jun 26 2025, 09:44 PM
loserguy
post Jun 27 2025, 10:19 AM

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QUOTE(dwRK @ Jun 27 2025, 09:11 AM)
i think everyone expected the tariffs to go way up n solar ppl happy... but is opposite from the examples more or less no change or reduce in most cases...
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lol, worse

no change or reduce in most cases

GO WAY UP for solar users laugh.gif

This post has been edited by loserguy: Jun 27 2025, 10:19 AM
loserguy
post Jun 28 2025, 07:28 PM

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QUOTE(dickybird @ Jun 28 2025, 06:58 PM)
Exactly.
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I buy from you. I pay for the network.

You buy from me. Shouldn't you pay for the network?
loserguy
post Jun 28 2025, 09:07 PM

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QUOTE(dickybird @ Jun 28 2025, 07:45 PM)
But it’s my network that you’re accessing. How are you going to sell anything without access?
And I have to balance loads when your supply isn’t consistent. It is only fair that you contribute to the upkeep same as everybody else who uses the network.
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But you are accessing the network I paid for when I installed the panels. Anything after the meter is yours, anything before the meter is mine.

If I pay when using your network, why do you not pay when using mine? In your own words, it is not free.
loserguy
post Jun 28 2025, 09:21 PM

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QUOTE(dickybird @ Jun 28 2025, 09:14 PM)
Utterly preposterous because your house wiring is just wires without a power source.
I’m paying for the excess power you’re sending to my network in the energy that you can use when the sun isn’t shining.
Should you choose not to use power from Tnb you can set up your off grid system.
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Your network services millions. When you spread it out you still charge everyone.

Mine is divided by one. It is still less than one million times what you are charging. Due to the economies of scale, my cheap wires still cost more than yours. Am I being pretentious or are you being facetious?

This is a monopoly. There is only one buyer so ultimately it decides. But the justification is weak.
loserguy
post Jun 28 2025, 09:24 PM

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QUOTE(dickybird @ Jun 28 2025, 09:22 PM)
You’re bring preposterous. Period
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Come on. Try to debate this.

Tnb is charging because they argue they spent money on the network and power generation. Solar users do too. So how do you justify only one side paying?

That is a simple question. Not overly complex.
loserguy
post Jun 28 2025, 10:01 PM

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QUOTE(dwRK @ Jun 28 2025, 09:54 PM)
because meter is at your house... wink.gif

everything before the meter, including the meter itself belongs to tnb...

when you import say 700 kwh... it uses their power network... when you export say 700 kwh...  it also uses their power network... but tnb only charges you once for import for using their network... which is correct... but you want tnb to pay you for using their own network when you export... which is the old tariff method... which is incorrect in the world of custody metering and network access...

if your house is 100km in the jungle and tnb wants to buy solar power from you but dont want to run cable to your house... NOW you can charge them generation AND network cost... wink.gif
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I am not arguing about tnb's infra. Lol tnb can use their own infra for free when buying. But what about mine?

When you buy power from TNB, you pay for their energy, their network including power generation and capacity.

So when TNB buys power from you, why do they only pay for energy? Anything past the meter is part of your costs. Exact same justification that tnb is using.

Why can they sell energy and charge for their infra costs, but buy only energy without paying for infra costs?

This post has been edited by loserguy: Jun 28 2025, 10:02 PM
loserguy
post Jun 28 2025, 10:22 PM

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QUOTE(Kytz @ Jun 28 2025, 10:09 PM)
Because TNB maintains a power generation and distribution system to deliver you that power, everything from transformers, switchgears, and cabling including all the maintenance and service staff to maintain all of that.

But lets just put it another way, you're paying TNB the money for the convenience of selling and buying power whenever you want to. TNB has no say when you decide to export or buy power while you have that right, do you think its something you must pay for or do you think that you should be getting that it for free?
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Solar panel users also need to maintain their panels. It is not something that dropped out of the sky for free. Contrary to what TNB thinks.

Getting what for free? The privilege of selling to TNB? Wow that is high handed. But there is a 10 year NEM contract though.

But to answer your question, we pay when using tnb wires to buy electricity. When TNB buys from us, they can use their own infra or they can charge themselves, suka hati depa la. They are the buyers not us.

But this next one is my point, why is tnb not paying for using my wires when they buy? Similarly when i buy from them I don't charge them for delivering the electricity from the meter to my appliances.

This post has been edited by loserguy: Jun 28 2025, 10:22 PM
loserguy
post Jun 28 2025, 10:25 PM

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QUOTE(dwRK @ Jun 28 2025, 10:16 PM)
because of where the metering point is... ive explained it already...
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Sorry I missed that. Where is the metering point? Between the solar panel and your house? Or is the solar panel between the meter and your house?
loserguy
post Jun 30 2025, 10:30 AM

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QUOTE(bee88 @ Jun 30 2025, 06:22 AM)
If ur import figure is only about 300kwh, yes. There is no impact because the eei rate is as much as the network charge and capacity charge combined.

Coz eei of 300 units are worth 0.225 while the total combined charges is 0.17 per unit

This is usually applicable to small setups like 5-7kwp setup with a usage of 600-700kwh before solar.
The only thing is the ROI itself already longer than those bigger setup by years. So at least this ROI doesn’t get extended

Mine I need to use more than 1500kwh to make sure the ROI is intact. Coz at 1500kwh, each kWh consumed is 10 cent higher already and that makes the ROI fast. If I use less than 1500kwh, then ROI will be impacted by 6 months.
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err, you are trying to spend more to justify the initial capital outlay? that doesn't really make sense?

loserguy
post Jul 1 2025, 10:36 AM

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QUOTE(bee88 @ Jul 1 2025, 08:44 AM)
I don’t see how the get can help now actually. Coz it doesn’t matter if ur usage is 1500 above, ur solar nem will offset it.
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He means just subscribe GET to pull your total usage below 1500 kwh. No need to invest 20k+ into solar. Makes sense actually.
loserguy
post Jul 1 2025, 04:39 PM

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QUOTE(ye0073 @ Jul 1 2025, 04:22 PM)
Which means no more incentive to install solar power now?
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Wait for solar panel installers to throw price. Either they throw price, or close shop. Currently they do make a lot of profit ...

Hopefully they include a battery with their package.
loserguy
post Jul 1 2025, 05:11 PM

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QUOTE(LaiN87 @ Jul 1 2025, 05:07 PM)
Just to entertain me... Why do Solar people wanna do TOU with NEM?
So that can earn by offsetting at 4 cent more during day and buy at night at 4 cent less? Haha..
I understood as NEM 3.0 ended but those applied and if approved can proceed.
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Free money, with the solar panels, there is very little consumption going on during those daylight hours.

Although the difference is small, it is still free money.
loserguy
post Jul 1 2025, 06:47 PM

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QUOTE(MGM @ Jul 1 2025, 05:44 PM)
May be TNB plan to monopolise rooftop solar by renting your roofs via CREAM, haha just speculating.
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I think this is a separate scheme. There needs to be a third party who will lease the rooftops from houseowners. It is this third party, most likely the housing developer or your residents association I think, who will be the middle man between TNB and houseowners.

It is more complicated than it sounds because once signed up, most likely cannot do any renovations that will impact the installation. But you still need access to the rooftop watertank and for things like leaking roofs or Astro or TM Unifi installation.

Same problem with the NEM tariff hoohaa recently. How much is TNB going to pay for the export? Based on this, which third party will dare to take that risk?

Also what happens, when you sell the house? Change of names on the contract, completely new contract? Want to collect maintenance also susah, this doesn't seem easy at all. TNB doesn't want all this headache hence the third party.

This post has been edited by loserguy: Jul 1 2025, 06:50 PM
loserguy
post Jul 1 2025, 07:13 PM

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QUOTE(MGM @ Jul 1 2025, 07:03 PM)
What about TNB GSPARX?
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You mean Gsparx as the third party handling the houseowners? Donno. Maybe. Could be a good thing too. Zero capital outlay from the houseowners, straight away get rent money. TNB gets cheap renewable energy. Could be a win-win.
loserguy
post Jul 22 2025, 12:08 PM

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QUOTE(salimbest83 @ Jul 22 2025, 12:02 PM)
guys..

i ada satu kawan sini kan. always cakap negative pasal pasang solar ni.
rugi la. tak berbaloi la. senang rosak la etc.

is it real or hes just too pessimic?
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It depends on your usage patterns. This is basically an investment, the same as placing money in ASNB. Do your calculations based on your usage, then see if you are making more money vs just placing your money in ASNB.

If you make more money with solar, then it is worth it.

If ASNB makes you more money, then it is not worth it.

Senang rosak, tak senang rosak, sometimes depends on luck also la. Macam kereta la kan. You can also get someone to hose down the solar panels to clean them every few years. The inverters are usually covered under a warranty.

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