Wait 1 full year and give more details on saving for better case study.
Need to account for seasonal weather difference.

If rain can clean it how come our exterior wall will still be dirty after years of usage?

Even then solar panel guys been telling us, please clean the panels periodically.

No one is doubting the capability of solar generation but it shall never be glorified and advertised in such a way that it does not come with its challenges.

Read both sides of the stories.

3 years in Solar-NEM2 package-10kvah. 20 years warranty. Latest bil RM11.35

This is valid for household that has electric bills close to 4 figures per month. But people with such bill usually would have no problem coming up with RM50K for a Solar system. Annually can see the bill is more than RM 10K.

But then again coughing up RM50K for something that you cannot feel it is functioning feels painful.

how often do you think need to clean those panels?

If this 47k doesn't give you hardship and you save RM750 per month in tnb bills, it does seem to be a good choice for you. If you put 47k in epf and assume epf interest of 5.5%, you'll have RM80k in epf after 10 years, compared to 90k in tnb savings.
On paper , you untung but do note that after 10 years if nem is not extended, your tnb savings plunge but your epf continues to earn compounded money for you. That's the risk, returns wise.

However, tnb tariffs may increase over time and your savings will too.

Most importantly, you feel good about it.

Looks like the solar only managed to cover less than 20% of your usage (day time).

Move some energy intensive stuff to day time perhaps?

Your import still ok. 500 kwh away still from the ICPT charges.

My bill rm250 max

Living area 2 airconds but very seldom on
3 airconds rooms 12 hours usage daily
Kitchen everything electrical no buy gas tangki
Water heater 3 bathrooms

2 big 2 small

RM800 normal?????? hmmmmmmmm

Question

1. 1600kWh usage but didnt kena ICPT charges?

2. If roof leaking during rain have to remove solar panels to fix?

oh ya, mine is hybrid inverter. Seller said just upgrade battery. The only thing i need to worry is battery capacity. But that thing 10 years later only see how.

Well he just recently changed gate + shift meter. TNB contractor didnt suspect anything so i guess its good to go
Wow tap? Winrar

Ya true. 10 years time the technology should leap and bound.  No use worry so much now. Also it seems to be in consumer favor judging on the past history.

pray your roof dont have leaks later on

Again i will reiterate. My latest 3 months bill before solar installation is RM800+ and RM900+.

After installing solar my consumption drop to RM500-600. I theorize that it's because during daytime all the solar energy i generated get consumed by the house first before diverting the excess to TNB. In short the price difference probably is the amount of electricity i used during daytime which is about rm200-300.
1. probably because during daytime the energy generated get consumed first before sending the excess to TNB.

2) Yes need to remove panel only repair. so u have to arrange them to come buka, then roofer repair, then arrange them come pasang back . that's why it's very important to make sure your roof no such issue before install. They recommend new house stay few years no issue just install.
yes. in fact it didnt degrade. Because my uncle installed them 2010. Until now he said the energy produced same only. Already 10 years no different. Main reason why i feel confident to install.

47k/36=RM1306 pm.

Put in epf at 5.5%, you'll earn rm4208 interest and will have RM5,1224 after 36 months.


After this 36 months, for the next 7 years, you will earn rm23,989 in interest giving you the total rm75213.

For year 11, you will earn RM4242 interest, translating to RM353 per month.


If you're not able to extend NEM, your PV must offset RM350 pm to break even. Don't forget that your EPF money is still there for you to withdraw, whereas your PV and its peripheral hardware are considered sunk costs and are basically worthless if you decide to give up on it (no/low resale value). Will it add to your house market value? Not sure.
This write-off is not taken into account in the untung-rugi calculation. It essentially means at the wnd of Year 10, your TNB savings is just RM15k (at current tariffs and consumption) more than your EPF balance, but your epf continues to grow while your solar panel system continues to deteriorate in terms of performance and resale value while requiring maintenance.

Ur calculations incorrect too.

Usually for solar panel installation u need to pay deposit, then balance via installment i think 24mths or 36mths only.

So u need to pay monthly installment plus the monthly electric bill.

That is excluding maintenance charges too (if any) and that mostly new subscribers are unable to provide the info.

Mind to share how much was ur electric bill before using solar?
And how much total paid for solar?
And how long u using solar already and any maintenance ?

From googling, it's not recommended or worth it  to install a PV panel with upgrading option in mind.

If you install something suitable for your usage now, you'll need to upgrade if your usage increases in future, say if you buy EVs or whatever. If you upgrade, the new panels or accessories may not be compatible or the cost to add may not be worth it. Add in the statutory requirements, lagi pening.

I stand corrected though.

The first gen of smart meter can be tamper, like a remote control switch on and the meter will not be running, not sure whether it will transmit data back to TNB server or not. My friend did it.

But the latest gen of smart meter even if u tamper the meter, the hourly usage once become 0 and TNB will find it irregular, in short very easy to kantoi.

There is nothing stopping you from  use string and micro together.