Solar inverters convert DC power into AC power, ready and usable for your household appliances or other loads in your home or business.
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Types of solar power

Grid tie and off grid solar systems use different types of inverters. What is a power inverter? An inverter is a critical part in any solar PV or battery system. The inverter takes DC power, either from your solar panels or batteries, and turns it into AC power, ready and usable for your loads and household appliances.


String Inverters

The string inverters are the most common and economical option for a solar system, works great in direct sun in all countries. Shading of any kind must be avoided. In order to operate off the grid a battery backup system and a battery inverter charger with grid forming capabilities is needed.

  • Lowest cost
  • Multiple MPPT inputs
  • High durability and reliability
  • Multiple strings possible


String + Optimizer

An optimizer is an add-on device to the back of each panel to optimize the solar panel performance. With this pv solution each solar panel operates independently. The optimizers where specially designed for projects facing shading.

  • Easy and safe installation
  • Module-level monitoring included
  • Large string sizes
  • Shading Ready


Micro Inverters

Microinverters are an Add-on device to back of each solar panel to optimize performance and convert from DC into AC power straight at the panel level, without the need of a central string inverter. Perfect for shading effected solar systems.

  • Easy to install
  • Module-level monitoring
  • Expandable and modular
  • Shading Ready


Hybrid Inverters

A hybrid inverter is typically a string inverter that combines the characteristics of a string inverter and the one of an inverter charger. Majority work both gird-tied or off grid as well.  Connects solar pv + backup solar battery backup to your home.

  • Perfect for systems with self-consumption batteries
  • Some provide daytime backup power during an outage
  • Some work in combo with a wind turbine


Battery Inverters

A battery inverter is a device that converts battery power (DC) into alternating current (AC) of a higher voltage. This means that most inverters are installed and used with a battery bank of some sort – a common set up in off-grid solar installations and grid tie self consumption. 

  • Protect your batteries
  • Ensures the battery discharge rates
  • Wide range of battery compatibility
  • Multiple phase possible


Pump Inverters

A water pump inverter role is to maintain a constant and stable pressure in a water system by varying the speed of the pump motor to deliver the same pre-set pressure at the outlet regardless of how many outlets or appliances are in use, up to the maximum capability of the water pump. 

  • Easy installation
  • Suitable for submersible and surface pumps
  • Single and three phase
  • UN and USAID approved


String + EV Charger

These string inverters have an integrated EV charger into a classic grid tie solar inverter. SMA, Fronius and SolarEdge has managed to eliminate the need for all of the additional wiring, conduit and potential additional costs having them installed separately.

  • All in one
  • Reduced installation costs
  • Monitor anywhere, anytime
  • Enhanced charging rate
  • Come with various EV plugs


Off Grid Inverters

Off-grid inverters connect to a battery bank and change DC battery power into household AC power. Off-grid inverters work with 12v, 24v or 48v solar battery banks. Some of these off grid inverters have the capability to function as a grid tie inverter making them suitable for net  metering.

  • Work with 12v, 24v or 48v batteries
  • Some have grid forming capabilities
  • AC output is typically between 120 – 240V

SMA Sunny Boy inverters for all solar inverter needs

3kW Solar Inverter


4kW Solar Inverter


10kW Solar Inverter


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    Inverters EU Ltd.

    33 Molesworth St,
    Dublin 2, D02 CP04


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    Looking for a complete solar system?

    Solar power inverter kits, bundles and system packages for less

    If you’re looking at inverters, chances are you also need a complete solar system, including solar panels, mounting racking,. electrical and more.

    If you’re connected to the utility grid power lines, checkout our ready to go grid tie solar packages. If you’re going off the grid, take a look at our off-grid solar kits.

    Still not sure what kind of system you’re looking for? Contact us or downloads our FREE Getting Started Solar Guide. It covers all the basics of solar power.

    FAQ Inverters

    What does a solar inverter do?

    A solar power inverter is one of the most important pieces of equipment in a solar energy system. It’s a device that converts direct current (DC) electricity, which is what a solar panel generates, to alternating current (AC) electricity, which the electrical grid and your home appliances use.

    Do solar inverters turn off at night?

    At night your solar panels and inverter power down. The inverter is not running overnight because it does not want to draw power. Instead it’ll wake back up when the sun shines in the morning. 

    Can solar inverter work without battery?

    Yes, if you are connected to an electrical grid, you can use solar panels and inverters without a battery storage system. These type of solar power inverters are called grid tie, on grid or string inverters. 

    What is the lifespan of a solar inverter?

    While most solar power inverters come with a lifespan of approximately 5 to 10 years, they do require regular maintenance in order to ensure optimal solar PV inverter efficiency. Some of the inverters can efficiently operate up to 25-30 years as well. The lifespan of an inverter is determined by the operating temperature,  the correct sizing of your solar panel system and the protection level used on your electrical board. 

    Which t are the most popular power inverter brands?

    Top 10 solar inverters (based on our experience), internationally:

    1. SMA
    2. Fronius
    3. SolarEdge
    4. Huawei
    5. Ginlong Solis
    6. Enphase Energy
    7. Goodwe
    8. Growatt
    9. Victron
    10. Solax
    Why would I need a 3-phase inverter?

    The main advantage that a three-phase inverter has over a single-phase power inverter is that it can transmit more power. A multi-phase system itself will produce power at constant rates within a load. The efficiency is also higher than in machinery that might be operated through a single phase.

    A single-phase solar inverter has one live wire which connects to your home. While a 3-phase solar inverter has 3 live wires connected to your home. A 3-phase solar inverter sends the electricity evenly across the 3 wires which minimizes the voltage drop problem associated with a single phase power supply.

    What happens if you overload a solar inverter?

    A solar installer needs to be mindful of clipping losses, and the power gain from overloading while overloading a power inverter. Clipping losses occur when the actual solar power production exceeds the AC output of the Inverter. The excess solar power beyond inverter ac capacity will be clipped or lost.

    Should I oversize my inverter?

    By oversizing the array, you will make better use of your inverter’s capacity, producing more power overall. You want to find the “sweet spot” where you get the most overall production possible per amount spent on your system – even if that means clipping a bit more power.

    The size of your solar panel system should not exceed 15-20% of your solar power inverter rated power. 

    All the way around, the larger size of an inverter on a smaller solar panel system has no negative effects. Actually your inverter will live longer.

    Should you undersize a solar inverter?

    Undersizing a power inverter has become a best practice. A properly undersized solar system will produce the best power output for the system owner. It can also save the homeowner money if it enables them to avoid a main panel upgrade. 

    Though this is true, IF your system is properly sized by a solar installer an undersized inverter will live less, resulting extra inverter replacement costs for a homeowner.

    What size inverter do I need for a 5kW solar system?

    In systems using a grid-connected (grid tie) solar power inverter, the inverter is usually sized to match the solar array. For example, if you have a 5kW solar array, then you would install a 5kW inverter; though we always recommend to install a bit more panels to overcome the efficiency loss of your solar panels, inverter and other electrical components installed in your system.