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Advice needed : Should I go with solar or remain with normal on grid inverter setup for home

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kartikoli

I am using Microtek JM SW2000 along with 2 Exide Invamaster IMST1500 150ah batteries for almost 5 years but now the battery are on verge of death as per local technician so I am thinking to upgrade this system and buy new one. For me this setup have been a pain, both batteries were changed within 2 years and now that I've nearing almost 3 more years I expect them to die soon. The experience with these batteries was really bad where as I've used my old Luminus batteries for almost 5 years without any issue.

Now that both batteries needs to be replaced I am exploring more options, should I sell both batteries along with inverter and buy a new 2KV set up OR look for solar power. I know the cost will be high but is it worth?

1. Buy an all new inverter setup Lead-Acid batteries

2. Buy Lithium-ion battery but its very expensive

3. Install Solar

What should be the best option for my needs? your valuable suggestions and personal experiences are more than welcome as my dealer is pushing hard to sell another setup. Last year he said that one of my battery will only survive 2~3 months but the same battery worked for an year and stopped working couple of days back since there were no water left in them so I gave them for charging

I have watched few youtube videos and there are companies like loom or nexus that are selling there products and when we search for solar inverter there results are on the top. Are they any good?

What if I want to be future proof and install 5kv setup, can I do it in installment as I can't spend 5L for them right away also is it worth spending that much money as we know new technologies appear every now and then

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Generous Generous
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What's your purpose of Installing Solar?

On Grid Solar will not work in case of Power Outages. You will need Off Grid/Hybrid Solar Setup for the uninterrupted power supply during the during the power outages. (Subsidies not available for the Off Grid/Hybrid Setup)

In Off Grid/Hybrid Solar setup, Acid batteries life will be less than the normal inverter setup.

In case you're planning for the Solar, then go for the Waaree, Adani or Tata Solar Panels. (Mono Perc/Mono Bifacial)

Deal Cadet Deal Cadet
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I need uninterrupted power for home and WFH office. Regarding Solar setup, I was thinking to be future proof and generate my own energy but not sure about ROI. Also I can live without AC during power cut but need power for other components specially PC and router for Wifi

Now that you mentioned that Acid batteries won't be a good choice for solar it looks like the setup will become more expansive with Lithium batteries.

If I take an example of 2kv inverter, what should be the best strategy. Buy a normal setup and consider solar after 4~5 yrs? (Any specific model to look for)
Or buy a solar setup of 5kv but install 2kv panels now with an option to increases capacity in future
Generous Generous
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In this case, Stick to your conventional Inverter Setup with the Acid Batteries. Along with this, Plan for the On Grid Solar Panels according to your requirement. Mostly 3KV is enough for the normal household. ( Mono Perc panel generates approx 20 Units a day in Summer, also depending on the location, shadow-free area, dust on the panel, and weather. ). On-Grid setup's ROI comes in 4-5 years.

As I suggested earlier, Go with the latest Mono Perc / Bifacial Mono Perc Panels of top companies like Waaree, Tata, or Adani. For Solar Inverter choose from Solis, Growatt, or Goodwe. Most MonoPerc panels come with a 27/30 Year warranty, you can always go Hybrid in the future just by replacing the Solar Inverter.
Generous Generous
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Try amaron batteries next time. Refill water on time every 2-3 months. 

Deal Cadet Deal Cadet
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Yes, those batteries were in a secluded place so I wouldn't use a stool to look at the water level every now and then but I've changed there place so we can see them clearly and I won't forget refilling water.

Any specific model or a full setup link will be appreciated though I won't buy online as we can get them cheaper locally (Lucknow)
Deal Cadet Deal Cadet
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Go for off grid solar.

Its beneficial in long term.

Generous Generous
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Hybrid will be better than Off-Grid.
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Helpful Helpful
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I'm also palnning for on-grid solar,...missed this year summer.

following this thread.

Community Angel Community Angel
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As you are ready for the investment as it seems, go for solar. You also get subsidy on panels from govt. Please research a bit to save as much as you can. I would also suggest you to to go for higher capacity than you actually need now. This will slowly allow you to use less electricity supplied by ESCOMs and result in a higher saving. 

Generous Generous
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If power cut is very less than ongrid solar with small inverter for power backup is best setup

Generous Generous
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Yes, Exactly.
Generous Generous
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Ignore , consider sola after next 5-7 years . 

Pro DealBaba Pro DealBaba
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Do power supplier deduct money in our bill ,i dont trust these govt suppliers of electricity/electricity board,  if anyone owned on grid setup, do share your experience.

Pro Community Angel Pro Community Angel
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Alot of my neighbors here (Punjab) have on grid systems. And their reviews are okay, w.r.t. calculation of power credits and netting. 
Benevolent Benevolent
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Rooftop solar PV panels are beneficial only if the domestic tariffs for electricity in your area are higher than 6-7 Rs. Generally only those paying high commercial rates of electricity decide to install  solar PV panels as the cost of electricity from these panels is still not less than Rs. 6 per unit (considering smaller scale, initial investment, O&M expenses).

Moreover manufacturers generally use low quality (rejected / low output) solar panels for domestic installations as residential customers cannot check quality. Most states pay very little 0.50 to 2.5 Rs. per unit for exporting rooftop solar power to grid.

In case power cuts in your area are of longer duration, you can choose tubular inverter batteries instead of regular inverter batteries.

Deal Cadet Deal Cadet
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Here in Lucknow the electric charge is 6.5 INR per unit, I think for my use case its better to go with conventional tall tubular batteries and go with Solar in next 4~5 years.

I was planning for 5kv solar setup but the its pretty expensive around 5L investment and ROI will take much more time.

Yesterday my dealer told that one of the battery is dead so I will have to buy a new or exchange with another old battery paying extra amount. I don't trust this guy at all as he has tried to fool me multiple times and is taking advantage of my situation (he knows my job depends on regular power).

Now that I've decided to go with regular setup which one should I choose. For now I have planned to keep old inverter + old battery + exchange battery from this dealer. Use it for couple of months and try to sell on OLX then buy all new setup. Is it wise to sell the inverter or keep using it with new batteries. The inverter motherboard was changed last year so I believe its wise to sell it all (any idea how much will this setup be worth?) also please suggest config for new one.

Deal Cadet Deal Cadet
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I recently installed 4.2 Kw On Grid solar with adani panels at my place (haryana) . Total cost = approx. Rs 1.7 L (after subsidy). Everything working good as of now and amount invested will be easily recovered in 4 - 5 years. No tension of electricity rates going up.

Deal Cadet Deal Cadet
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Wow thats cheap, how did you get subsidy? also can you give little more details about your setup
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Commentator Commentator
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if purpose is investment go consider tariff in different slabs as higher you go more it is just go solar for higher slabs and consume lower slab rates from electricity board

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