KOSTAL inverter

Buy your Kostal inverter at the best price

In this category you will find our Kostal brand inverters. Kostal is known and recognised worldwide for manufacturing single-phase and three-phase solar inverters. Kostal inverters are highly efficient. The Kostal brand is very well known for its after-sales service management of its inverters. Discover the advantages, performance and answers to your questions about Kostal inverters.

Why choose Kostal inverters?

As you know, the solar panel is an essential piece of equipment for supplying your home with green energy. But you should also think about Kostal inverters, which play an essential role in domestic solar installations. The inverter is a device that transforms the direct current produced by solar panels into alternating current.

To make the right choice for your Kostal inverter, Alma Solar talks to you in this post about the different types of Kostal inverters.

How do I buy a Kostal inverter?

#1 - I select my Kostal inverter

Choose your Kostal inverter from our list of solar inverters. You can choose between different power ratings 3kW, 4kW, 5kW, 6KW in single-phase and 3kW, 4kW, 5kW, 6KW, 8kW, 10kW, 15kW or more in three-phase.

Don't forget to also select the type of inverter between Kostal grid inverter (without battery), Kostal hybrid inverter (with battery management) and Kostal charger inverter (to manage the battery only).

#2 - I confirm my order

Select the quantity you require. Add your Kostal inverters to your cart. Create your account on Alma Solar. Click on ‘my cart’. In step 3 of your cart, you can select your payment method. You can choose Paypal, credit card, Klarna, Fintecture or bank transfer.

#3 - I receive my order

Once your order has been validated, our logistics team will prepare your order. Upon shipment, you will receive a tracking number for your Kostal inverters. Please check your inverter on receipt to ensure the quality of our service. Start installing your Kostal inverter.

Install your Kostal inverter

Order your Kostal inverter at the best price from Alma Solar and carry out your Kostal inverter installation.

What type of Kostal inverter?

KOSTAL has developed its inverters with the aim of offering the best performance on the market. They have reduced the number of inverter ranges to offer 3 types of product today. We are going to present you these ranges in order to guide you in the right choice of KOSTAL inverter.

The KOSTAL MP Plus range of inverters: This range of inverters is single-phase only. These inverters have 2 independent inputs. One of the inputs can be used to connect a BYD solar battery. This solution is therefore scalable. An ideal solution for residential installations.

The KOSTAL Plenticore inverter range: There are 2 types of Plenticore inverter. These inverters are all three-phase. The green Plenticore Plus range offers a solution with 3 independent inputs. Like the MP Plus range, the Plenticore can use one of its inputs to connect a battery. Then there's the new Plenticore G3 range. There are just 3 models to cover the entire power range. The Plenticore G3 S model from 5 to 7kW of solar panels. The Plenticore G3 M model with 8.5 to 12.5kW of solar panels. And the Plenticore G3 L model with 15 to 20kW of solar panels. We have to admit that the new Plenticore G3 range offers a wide power range and, above all, the most competitive prices on the market. The only constraint is that you need to order a code from the KOSTAL website to activate the battery (around €200).

The KOSTAL PIKO range: These high-power inverters are used for commercial and industrial solar panel installations.

Shading management with our Kostal inverters

Our Kostal inverters benefit from shadow management on your solar panel. Indeed, when you have shade on your solar panel, your Kostal inverter can fail and not know how to manage. That's why at Alma Solar we've chosen the best brands offering the best technologies. Our Kostal inverters will optimise the power of each solar panel to give you the best possible performance.

Kostal Inverter connected to the internet

At ALMA SOLAR, the notion of service knows no bounds. We have developed an application that allows you to manage your Kostal inverter via the internet. Your Kostal inverter is connected to the internet and we collect all the data to optimise the performance of your installation.

Maintenance contract for your Kostal inverter

By using the Alma Solar application, you benefit from a free Alma Solar maintenance contract with no time limit. Thanks to the application, we can manage the performance of your solar inverter, update it remotely and deal with any error messages.

Installation assistance s for our Kostal inverter

Our technical team is available to help you install your solar inverter. We have set up a dedicated team to help you install your solar inverter. This service is limited to 5 hours per order.

How do you choose your Kostal inverter?

ou are probably wondering: Which Kostal inverter should I use? Through this Kostal inverter category page, available in our shop, Alma Solar gives you some advice on how to choose your solar inverter. For your inverter to be suitable for your system, its rated power must be equal to the rated power of your solar system. For example, if your solar system is rated at 2000 watts, you will need an Kostal inverter with around 2000 watts, perhaps a little more. If you want to run more than one appliance at the same time and want to make sure your inverter can handle the load, simply add up all the DC Watt ratings of all the appliances that can run simultaneously.

Finally, we hope this article helps you choose a reliable Kostal inverter with a high storage system that allows you to supply your home with energy and guarantee your self-consumption. Always remember that investing in green energy is a gain! But the worst thing that can happen is that you end up buying something that won't last, forcing you to have your inverter repaired or replaced. So don't hesitate to contact ALMA SOLAR, a leader in the field of solar inverters.

Let yourself be carried

#1 - use the configurator

Thanks to our configurator, you benefit from a tailor-made solar kit depending on the available surface area. You can install a solar panel on the ground, on a flat roof, tiled roof, but we also have solutions on carports or garages. Our simulator is simple and offers an immediate response.

#2 - select your Kostal inverters

The configurator will only offer you inverters compatible with the power of the solar panels and the choice of technology chosen (with or without battery, single or three-phase).

#3 - take advantage of our installers

Grâce à nos partenaires certifiés, nous vous proposons l'installation de notre kit solaire en lien avec la configuration que vous avez faites. Le prix se calcule automatiquement en lien avec vos spécifications. ALMA SOLAR est le tiers de confiance entre vous l'installateur. Aucun montant supplémentaire ne peut être demandé suite à votre commande.

Connect your Kostal inverter

Connect your Kostal inverter to our solar panels to benefit from solar energy in your home. The inverter will manage the power from the Solar panels and convert it into alternating current (AC).

Managing your Kostal inverter

To manage your Kostal inverter, you'll need to install the Alma Solar application on your smartphone. It will allow you to see the output of your solar inverter every minute and control the energy in your home.

Store the energy from your solar panels

Your solar panels will produce electricity every day, just like a satellite dish. This means that at night, you will not produce any energy. To meet your needs, you'll need to store the energy from the solar panels with Solar batteries.

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