How does the SMA Fuel Save Solution work?

From on 02/18/2014 in Category Technology with 6 Comments

The SMA Fuel Save Solution combines diesel and photovoltaics into a hybrid system, minimizing CO2 emissions and high fuel costs. If you’re interested in learning more, we’ve also posted a few articles on PV diesel hybrid systems, each describing PV diesel hybrid systems and what steps must be taken to install and manage such a system

This video explains how the system works. We hope you enjoy it.

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The Author


Stella has worked at SMA as student assistant and wrote about remote regions and special solar projects.


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  • avatar

    obinna obiajuru

    11/06/2018 at 5:14 am

    we consult for an estate developer who wishes to use alternative energy in providing uninterrupted power supply. we wish to recommend the PVGenset solution for them, kindly advice us what steps must be taken to install and manage such a system. looking forward to your response

    best Regard
    Obinna Obiajuru
    project co-coordinator

    Reply »
    • avatar


      11/06/2018 at 9:52 am

      Hi Obinna! Thanks for reaching out. Is the project located in the United States?

      Reply »
  • avatar


    11/09/2018 at 12:07 pm

    Can i use 5kw generator with sma fuel save?
    Please help me

    Reply »
    • avatar


      11/15/2018 at 11:19 am

      The Fuel Save Solution is meant for much larger systems – 500kW and up generally. Perhaps a Sunny Island and Sunny Boy system would be more appropriate for a system of this size. Where is this system to be located – what voltage and frequency would the generator run at?

      Reply »
  • avatar


    09/23/2019 at 12:35 am

    Is there any either research or report on negative effect of fluctuating diesel operation due to intermittent characteristic of on grid PV system? Does fluctuating operation of diesel engine will affect significantly on diesel engine life time? Regards.

    Reply »
    • avatar


      10/03/2019 at 11:37 am

      Dedet – the objective of the Hybrid Controller is to operate the PV array non-optimally via the inverters to allow the diesel engines to remain working at an optimal and as steady-state as possible operating point. The PV inverters likely are working the array well off of its Maximum Power Point, so a lowering or increasing of irradiance does not necessarily mean a change in PV output. Also changes in load can be compensated with PV production to smooth genset operation.

      Reply »

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