• Decentralised MW solutions

    Optimise the total cost of ownership of PV power plants from 1 megawatt upward with our all-in-one packages.

    > Learn more

  • Centralised MW solutions

    Turnkey inverter containers for world-wide use in solar parks from 2.2 megawatts upward.

    > Learn more

  • Ultraverter system

    The blueplanet Ultraverter system combines the best features of DC optimizers, string- and micro-inverter technology in one advanced concept.

    > Learn more

News, 6. March 2017

Major order from South Korea

The framework agreement with our long-standing partner DNE Solar provides for the supply of string inverters with an overall output of 300 megawatts.


> Read press release

News, 9. February 2017

Are you prepared for overvoltage?

Measures against overvoltage are increasingly required from PV systems. We will therefore equip three more inverters in the medium power class so as to help you fulfill these requirements.

> The new function is included at no additional charge

Let's meet

Jordan Energy

Amman, Jordan
Geneva Hotel
March 20-21, 2017

> More opportunities to visit us

String sizing

New online PV-system String Sizing calculator

Calculate the string configuration of the solar plant you are designing with our inverters from anywhere in the world: Get started now for free using our new “String Sizing Tool” and save or print out your results.

> Start string sizing



Potential Induced Degradation

Protect your solar yields with KACO new energy

The PID effect is a slow poison for PV modules. PID boxes are a suitable remedy. Various of our string inverters have successfully been tested with two of the most common brands of PID boxes.

> Contact us for more information


General Catalog 2016/17

Discover our complete program of solar PV inverters as well as storage and system solutions, and which project support services we offer.

> Download catalog