Review: The Problem with Growatt Inverters

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Grid Synchronous Solar Inverter:
Kanika Khanna
Version:
NA
Price:
86,850

Reviewed by:
Rating:
1
On August 18, 2016
Last modified:August 26, 2016

Summary:

The inverter that doesn't work

Growatt is a Chinese manufactured inverter that seems to currently be making waves in the Indian market- thanks primarily to it’s low pricing. I had considered Growatt as a product to bring to India in 2014 and to test the waters had installed it with a 4.5 kW system at my house. The following is a detail of my experience with Growatt.

Growatt ReviewInverter Build quality- 2.5/5

Growatt is a large and bulky inverter– the 5 kW Growatt inverter is almost as large as the 25 kW Fronius Symo. It requires two people to handle a Growatt inverter and mounting it to the wall was a challenge. The display on the front is very minimalistic and carries only basic information.

Flexibility- 3/5

Growatt’s only claim to flexibility is a sufficiently wide voltage range (150-800V). However, the fishy thing is that the MPPT voltage range equals the PV input range exactly- i.e. there is no scope for variation at very high and low temperatures, in effect limiting the input range.

After Sales Service- 0/5

At my installation, the voltage of each string shown on Growatt’s shoddy screen was coming up to be different- this was not the case when we checked actual string voltage using a multimeter. The inverter that I had installed at home, would repeatedly get switched off multiple times a day without any reason. I literally had to employ one person full time to switch on/ re-start the inverter each hour. I suspect the Growatt doesn’t have a fault ride through.

Growatt has no service network in India. When I purchased the inverter, the company promised me that they would replace the product in case of any issues. However, despite the repeated follow ups regarding the two issues stated above, Growatt was unable to provide support. I replaced the Growatt with a Fronius Symo without changing anything else and the system now runs beautifully.

Price Point- 5/5

The Growatt is a cheap inverter. This is its only claim to fame. Buy it if you want an ornament.

I now have two junk Growatt inverters sitting in my basement and am willing to sell them at throwaway prices  in case anyone is interested.

Overall Rating: Cheap, Unreliable

We invite you to give your reviews and comments for this solar inverter at this link and we will be sure to feature your company. You can also view the pricing of other inverters by this manufacturer on the Sunkalp EPC App.

Kanika Khanna

Kanika is passionate about data and technology- and writes about how they apply to roof-top solar.

26 thoughts on “Review: The Problem with Growatt Inverters

  1. Data logger is also not very reliable as i have installed it at two places it works with some discrepancy at one place but it’s a complete failure at other place.
    Tech support just adds on to the frustration.

    Efficiency of inverter seems to hv issue as well.

    I thank growatt bcs their failure helped me develop my indigenous device dor solar monitoring

    1. Hi Utkarsh,

      Thanks for your feedback. Product reviews are helpful for the Solar Industry as it helps weed out poor products that ruin the Solar Industry’s name.

  2. Growatt also entered in the Indian Market like any other Inverter company. Initially they also had teething problems to fine tune their inverter specifications suitable to the Indian grid conditions. Initially these Growatt inverters had issues in synchronizing with the Grid as their output voltage range was not so wide to synchronize with grid voltage fluctuations in INDIA. But now GROWATT has learnt the Indian grid conditions and have accordingly made improvements in their products.

    We at REDINGTON have tied up with GROWATT for offering these Inverters in the INDIAN Market. REDINGTON is a INDIAN Public listed company with a sales of $ 5 Billion globally and sales in INDIA is $2.2 billion. REDINGTON has about 90 Warehouses across the country where we can stock these GROWATT Inverters to offer SWAP WARRANTY to our customers. We also have trained people on Growatt Inverters to provide immediate service support on phone. In case the problem does not get solved at the site then we immediately give a replacement of new product within 48 Hours from our nearest Warehouse.

    GROWATT is also setting up a service team in INDIA based out of Hyderabad to offer full fledged service support to customers across the country. With REDINGTON and its Distribution network across the country, customers need not worry about the service backup for Growatt brand of Inverters in INDIA.

      1. Yes we will replace the inverters if it is purchased from REDINGTON. We have done it before to our customers and REDINGTON will continue to support our customers with 48 Hrs – 72 Hrs Swap warranty from our nearest Warehouse.

        If you have purchased it from some other Distributor of Growatt, please let us know the details and we will talk to Growatt and try to facilitate the service if it is within the warranty period.

        Pradeep

        1. Thanks for your message Pradeep, we just received a call from Growatt. Seems like they are taking notice of public complaints. Ler’s see how things turn out.

      2. Hi Kanika

        After you posted this article on the web, we at Redington took this to the notice of Growatt and by now Growatt has already sent you the replacement inverter directly.

        Hope you have received the new Inverters. Please acknowledge.

        Pradeep Srikanthan
        Redington India
        7667337656

      1. Hi Mr.Sekhar

        Please call on our Technical support numbers 7604864536 / 7604869292. If you have purchased from Redington we will give you the required support.

        1. Dear Mr Pradeep,

          My 4.5 kw power plan has been unproductive since 3 July 2017. Am waiting for replacement of the Growatt Inverter 5500 MTL-S. The EPC Company has agreed to facilitate the required measures going forward, though I see that Growatt inverter needs to have built-in surge protection, since the grid power in India is never reliable.

          Am awaiting for proper closure on this issue and request your urgent attention.

          Sincerely,
          Sekhar

  3. Hi Kanika,

    I am sorry for inconvenience brought to you. As explained, your email complaints were sent to the guy who already left Growatt, that’s why I didn’t know the case. Anyway, now I know and shall get this matter resolved for sure.

    Here I wanna say that Growatt is a quite professional company with over 3GW and 500,000 units global installation. We sell, we service. Anyone who gets no service or not satisfied with Growatt service, please write to me: rucas.wang@ginverter.com. I am heading sales of Growatt Asia Pacific region, you bet I can help you for sure.

    Thanks & regards

    Rucas Wang | Senior Manager, Asia-Pacific

    WhatsApp: +86 13925273872 Wechat: Rucaswang Skype: Rucas_wang

    1. Good to see your post Rucas.
      Any professional company’s processes should not be people dependent. As already told to you, we have telecons with Mr. Allen AND Mr. Martin. So one person leaving the company frankly just sounds like an excuse. Your company woke up after 18 months after a review had been posted on a public forum.
      Hope to see some real action on our request if your processes have really improved.

    2. Hello Mr Rucas Wang:

      Please respond to my email dated Aug 1. This is regarding a dead 5500 MTL-S inverter and lack of internal surge protection. Additionally am facing lots of delays due to internal process (due to GST).

      Question is why should the customer lose due to lack of proper fault protection in the inverter and slow processes? And what is Growatt/ Redington doing about it?

      Regards,
      Sekhar Ryali
      9492060445

  4. Hmm.. sounds like the review is the result of one GROWATT inverter having some problems.. is this not a way of arm twisting short cut method to find redress ..?

    I have practical first hand experience from tens of satisfied customers regarding GROWATT on grid inverters..
    So was taken a back after reading your review..

    We need fair and genuine reviews please..

    1. Hi Sundar,

      This has been our genuine experience with Growatt last year. Please do post your own experience with details and we will be happy to share it with the larger audience.

  5. Dear Friends
    Growatt inverters are very good I have installed in August 2015 and till the date it is working trouble free. Now I am facing problem that I am not able to connect to wifi and monitor remotely. The site 192.168.10.100 is not opening hence problem to connect to Growatt inverters site. Please give me solution how to connect and configure my inverters.
    Thanks
    Atul
    +919922522555

  6. Hi, we are based at Hyderabad. recently we took Growatt 3KW grid tie inverter from Redington . initially it was functioning proper but all of sudden it is not synchronizing with Grid. what might be the reason

    1. Dear Kishore,

      We provide Technical support for any problems related to GROWATT Inverters from Redington.

      Please call on our Technical support numbers 7604864536 / 7604869292. If it is not synchronizing properly then there may an issue with the Grid voltage at your location. There is a possibility to increase the voltage range in the inverter. Our technical team will help you do it.

      You will get a very quick response from Redington’s technical team. Based on the problem, we also provide a immediate replacement of the product as we always have stocks at our warehouses across the country.

      For any kind of help on Growatt Inverters, you can write to me on pradeep.srikanthan@redington.co.in

      Pradeep Srikanthan
      7667337656

  7. Dear Kishore,

    We provide Technical support for any problems related to GROWATT Inverters from Redington.

    Please call on our Technical support numbers 7604864536 / 7604869292. If it is not synchronizing properly then there may an issue with the Grid voltage at your location. There is a possibility to increase the voltage range in the inverter. Our technical team will help you do it.

    You will get a very quick response from Redington’s technical team. Based on the problem, we also provide a immediate replacement of the product as we always have stocks at our warehouses across the country.

    For any kind of help on Growatt Inverters, you can write to me on pradeep.srikanthan@redington.co.in

    Pradeep Srikanthan
    7667337656

  8. Hi , Sameer here
    After reading all the comment , I need to share my experience with these inverter (Sungrow , Growatt, Solax). I am in researcher in solar and renewable field . Completed my Masters and Will be pursuing PHD in solar energy .
    Growatt inverters are not reliable at all . We have done a project in which we compare SMA,KACO,Fronius,Solar Edge ,Growatt,Zever and Ingeteam inverters . Same No. of solar panels were added to the system with same cable length and tilt angle .
    Growatt came last in per unit generation , with KACO and SMA at top.
    Growatt inverter is very very bulky . But the price tag make this inverter in a good deal .

    1. Dear Sameer,
      Hope your comparison is done at same time, at same location with same irradiation parameters. If so, please share the detailed report.

  9. Hi
    This is Mahamuni from Badger solar consultancy. We recently procure 5kw 3 phase great inverter and Trina panels. After instant before connecting to NETMETER , we connected to state Electricity boards line for working. During that time it works properly but after net meter connection (i.e. 16day s later) it shows AC F Failure.

    I am very much upset for this and doing follow up with dealer.

    Now I have 200kw and 400kw orders but I am scarring to order growatt.

    Mahamuni
    9769317386

    1. Mr.Mahamuni

      Pradeep here from REDINGTON SOLAR. Please let us know from which distributor did you buy the GROWATT Inverter. If you have purchased from Redington, please call our technical support numbers on 7604864536 / 7604869292 and we will provide you with the necessary support.

      If you have pruchased from some other Dealer and you are not getting proper service please let us know we will try and push Growatt service team to support you and resolve your problem.

      Pradeep Srikanthan
      Vice President
      Redington – Solar Equipment Group

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