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Solar Power Generation, for home use/sell back to tnb
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joshie
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 May 27 2019, 09:48 AM
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Getting Started
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Hi, i'm new to this and don't know much about solar energy, i'm exploring solar panel for own personal use since will be moving to a new place. I contacted TNB and one of the contractor (Gsparx) got back to me on 6kw package for RM30,000. Potentially would give me RM250-350 of electricity generation in monthly basis. Can someone share with me the experience for installing solar panel? is it worth while in long term basis. What would be the maintenance cost after the warranty period. Anything that i should look out for ? thank you.
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joshie
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May 27 2019, 10:57 AM
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Getting Started
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QUOTE(Two5Kid @ May 27 2019, 10:48 AM) Hi, I don't think it will give you any benefit financially. Not anytime soon, anyhow. Unless our electricity tariffs increase, or that the government decide to restart the FiT scheme again (in which they pay you in cash for excess electricity). Currently, what you can expect is that you are only paying GSparx for leasing the panels, and instead of paying TNB the same amount (RM250-350) you are paying for the lease while getting electricity. Once the lease is up, then only you will see the benefits. Generally speaking, unless your electricity bills are in the region of RM300-400, there is no substantial benefit. Just that you are doing something good for the environment. Or if you are using that solar power to generate income (BitCoin, as someone is doing on this thread). GSparx is coming over to review my house this weekend, if you are interested, send me a PM. Thank you, but this weekend i'm not in town. I would assume the my place would be more as it has 3phase instead. My average monthly bill is around 300 on single phase. |
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joshie
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May 27 2019, 12:02 PM
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Getting Started
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QUOTE(yushin @ May 27 2019, 11:10 AM) Well, the monitoring tool on the inverter doesn't have a good reporting function so I have calculate it using other method. On average with the current 5kw panel and 48V100AH batt I manage to run 1600w of load 6 hours without using TNB. Thats about 9.6kwh of generated power per day. Currently the sun rises behind the panel. Less effective  The battery is usually full before 12pm, unable to absorb more power from panel. I think when additional battery arrives the generated power will improve even more. Additional 4kw not yet installed so not sure how effective it will be. would you mind letting me know what equipment is installed for this kind of setup? is the equipment very bulky for the db box and battery panel? |
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joshie
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May 27 2019, 02:20 PM
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Getting Started
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QUOTE(yushin @ May 27 2019, 12:21 PM) Solar panel = 14kg each, its on your roof so it depends on your roof space. Inverter = about 10kg, size about 150% of A3 paper breaker and battery switchbox = about the size of A3 paper If you use only 1 set of battery you no need switchbox for battery. Battery are the heaviest and take up most space BYD 48V50AH battery pack = 35kg each CALB 48V400AH battery pack = 208kg/set (16 unit of 3.2v 400AH cells) thanks bro. |
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