Here you will find an overview of our online calculators and tools.

NRW.Energy4Climate supports measures to implement climate protection and energy transition using online calculators and tools for various specialised topics.


Branchenführer.Erneuerbare (sector guide.renewables) presents the entire value chain of the renewable energies sector in North Rhine-Westphalia in one company directory:


Click here to access the directory



Find the right federal and state funding programmes for your project.



Click here to see what is available

Climate campaign

With the climate campaign, the State of North Rhine-Westphalia provides municipalities with the necessary foundations for a professional information campaign on the topic of climate protection in everyday life:



Click here for an overview of all the cities, towns, districts and municipalities currently involved

Climate protection planner

The climate protection planner is internet-based software from the municipal  Netzwerkverein Klima-Bündnis (Climate Alliance) to monitor greenhouse gas emissions at municipal level:



Click here to access the planner


The Kom.EMS (Municipal Energy Management System) online tool is ideal for permanent energy optimisation of municipal buildings and reducing CO2 emissions in the building sector:



Click here to access the tool

Solar land register NRW with revenue calculator

Use the solar land register NRW to see if your roof is suitable for photovoltaic and solar thermal energy. The offering also includes planning tips and additional information.



Click here to access the solar land register NRW from LANUV

Calculation tool for greenhouse gas reduction

This tool helps you to calculate greenhouse gas reduction. Based on the data requested in the various sections, you can calculate how much greenhouse gas can be avoided by implementing your measures.



Click here to download the calculation tool.


Web tool to explain and visualise planning and approval processes for wind power facilities in NRW.



Click here to access the tool

Efficiency calculator for energy efficiency measures

The efficiency calculator for energy efficiency measures delivers the economic key performance indicators you require for your investment decision.



Click here to download the efficiency calculator