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Solar today? You must be joking.

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Not a good time of the year if you are "enjoying" solar. 

My battery system is good for a couple of cloudy days but this past week or so..........

I've had to make do with PEA for 2 days on and off and today is way too wet 'n gloomy for my preferred power.

 

How's the rest of you solarists getting by?

 

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We are doing OK, but we are way over-panelled for our consumption, the cooler weather has reduced the A/C load which has helped.

 

Even so I doubt we will get anything like a full charge today.

 

Our big problem is the river level, it's not threatening the solar, but I don't like paddling even at the beach!

 

 

 

"I don't want to know why you can't. I want to know how you can!"

House is doing OK, but I'm having to charge my car from PEA for the past week.

Anyways, loi kratong almost over and then it'll be sunny for 8 months.

  • Author
13 minutes ago, Crossy said:

Our big problem is the river level, it's not threatening the solar, but I don't like paddling even at the beach!

No rivers near me but I will need to don waders if I want to cross the lawn to my workshop.

Panels should be ok until the water gets deeper than 4 metres but way before that the inverter is only good for 1 metre.

First 10 days of November on balance are OK - but just barely - 1.6 kWh per panel is not breaking any records.

 

image.png.e9554d9973a257628b7c358e71ade245.png

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30 minutes ago, Bandersnatch said:

My last PEA bill was in 2023

 

 

 

I stay conx to PEA, just in case inverter craps out, since only having one.  Even comes in handy, if returning from an O&A, usually at 20%, and will need to go further than the MB will take me the next day.   As wall charger is only thing not on solar.

  • Author

For me it's a question of economics.

Having a PEA connection is necessary because I have a small rice mill with a chunky motor.

My solar will run it but the stall current would warm up the inverter and cause a few trips.

Getting some extra solar panels and a bigger inverter would fix that but the cost of doing that would far exceed the cost of ten years of my occasional PEA power.

The mill only gets used intermittently during a couple of months of the year.

 

ps Let me know how many 5kg bags you would like and I can arrange it for you.

We just finished the rice before the rains and next week I think the solar install begins.

Was going to do it myself with instructions from SWMBO but my backs gone again and have to get some scans to see if a few screws haven't come loose.

Got a Thai friend who is going to do it.

About 50 ++ panels, 30kw SUN inverter and 35 kWh batteries....I think.

Not too sure on the batteries yet as I'm talking about 400v and he's talking about 52v stackable. Will know more when he send me the battery specs.

Was going to mount it all in the garage but roof area not big enough for the panels so the PV panels going on the Monier type tiled roof.

Probably be easier mounted in/on the house as can install the hardware near the ATS and feed to the genset.

I was going to wait till January to start but we're off and running.

About B470000.

Hopefully the house doesn't fall over with the extra weight and reduce our around B5000/month bill to bugger all and I can get all my aquaponic pumps and things working again. 🙂

 

3 minutes ago, carlyai said:

stackable

 

Stackable batteries seem to be a lot more expensive. Here are a couple of examples from the same brand.

 

16kWh for ฿64k so 32kWh would cost ฿128k

 

Screenshot_20251117_122101_Shopee.jpg.87bd124b5f8933ba3f454418daa52564.jpg

 

or you could buy them as a stack for ฿320k

 

Screenshot_20251117_122603_Shopee.jpg.d93691da1a7195fc723b930a27040ddb.jpg

38 minutes ago, Bandersnatch said:

 

Stackable batteries seem to be a lot more expensive. Here are a couple of examples from the same brand.

 

16kWh for ฿64k so 32kWh would cost ฿128k

 

Screenshot_20251117_122101_Shopee.jpg.87bd124b5f8933ba3f454418daa52564.jpg

 

or you could buy them as a stack for ฿320k

 

Screenshot_20251117_122603_Shopee.jpg.d93691da1a7195fc723b930a27040ddb.jpg

 

High voltage batteries like the  LVTOPSUN LVTS-5220-HV6 stack are more expensive to manufacture compared to the LVTS-512314-G4 low voltage equivalent. Having said that, I fail to see how they can justify 2x+ the price unless it's because of lower demand.

 

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