Welcome to Phase 2!

ZO.RRO II state project - Decarbonization of the energy supply in industrial companies

The demonstration phase of the energy project ZO.RRO (Zero Carbon Cross Energy System) has started! The ZO.RRO II state project, led by Nordhausen University of Applied Sciences and supported by its partner Thuringian Network for Renewable Energies (ThEEN Association), received the funding decision from the Thuringian Ministry for the Environment, Energy and Nature Conservation (TMUEN) for around 2 million euros on 23 May 2022 press release.

This enables the ZO.RRO II team to develop and implement lighthouse projects in the form of demonstrators until the end of 2024 in cooperation with industrial practice partners. The aim is to build on the analyses carried out in ZO.RRO I as quickly as possible and to carry out detailed measurements.

Our goal:

Reduce CO2 emissions, optimize supply & prove the CO2 footprint of participating companies by:

  • detailed measurements to evaluate suitable options in energy supply
  • identification of hidden savings potentials and largest CO2 sources
  • economic and ecological evaluation of individual plants
  • verification of CO2 footprint and sustainable development
  • optimization of the design of new plants and supply concepts (e.g. by using photovoltaics, energy storage, flexibility potentials, electromobility)

ZO.RRO II uses therefore three tools:

1. CO2-Balancing via "ecocockpit" | 2. ZO.RRO Measurement Technology | 3. Energy System Calculator

Energy System Calculator

In the first phase of the energy project ZO.RRO (Zero Carbon Cross Energy System), Nordhausen University of Applied Sciences has developed a unique digital energy transition calculator as open source software. The result: an energy system model that can calculate transformation paths and scenarios for a climate-neutral energy supply. Using Thuringia as an example, it was shown how the goals of the Thuringian Climate Act can realistically be achieved using certain technologies.

The open source software can now also be used for other federal states, regions, municipalities, but also for energy suppliers and companies and support them with scientifically based scenarios to define binding expansion targets and transformation paths. That is why, this development was awarded with the Thuringian Digital and Open Source Prize 2022 on 25 June 2022 by the Thuringian Ministry of Economy, Science and Digital Society. Hence the new ZO.RRO tool is already widely used.

In the ZO.RRO II state project, the energy flows and CO2 emissions are determined, analyzed and visualized for each of the practice partners by means of an energy system model. By step-by-step programming of scenarios, into which measurement data of the ZO.RRO measurement technology flow, it is individually calculated which technologies that enable a CO2-minimal energy supply. The goal is a realistic, cost-optimal system design to cover the energy demand of the given company at any time.

Learn more

Link to the Open-Source-Tool: doi.org/10.22032/dbt.50184

Digital Price 2022 received

Watch our short video - German language only

ZO.RRO Measurement Technology

Added values & services of ZO.RRO measurement technology:

  • Detailed recording of energy consumption and CO2 emissions according to individual measurement concept
  • Measurement duration: approx. 1 year
  • Enables optimized calculations with own data
  • Data flows into energy system calculator & CO2 balance with ecocockpit

CO2-Balancing via ecocockpit

Important basis for the minimization of greenhouse gases is the knowledge about where, how much is emitted. ZO.RRO II uses the online tool "ecocockpit" provided by the state of Thuringia for CO2 balancing for participating companies. ecocockpit enables a CO2 balance as a verification according to the three scopes (categories of emission sources) of the internationally applied "Greenhouse Gas Protocoll" (GHG Protocol). A distinction is made between (1) direct emissions (Scope 1, e.g. natural gas combustion), (2) indirect emissions (Scope 2, e.g. through purchased energies such as electricity, heat), (3) emissions from the upstream and downstream value chain (Scope 3 - extensive consideration of emissions through e.g. raw materials used, downstream transport routes, recycling of products, etc.).

ZO.RRO practice partners are supported in the creation of the basic setup, the selection of scopes and relevant level of detail, and the identification of values that need to be calculated beforehand. Obtained data from the ZO.RRO measurement technology is incorporated into the analysis and enables a realistic determination of the company's CO2 emissions. As a result, a company's largest CO2 sources can be determined and a sustainability report and certificate can be produced. A differentiated analysis by product, location or process is possible.

Project Funding

We thank the Freestate of Thuringia for proving us with project funding.

ZO.RRO Phase I (2019 - 2022)

The ZO.RRO I Project has ended on June 30th 2022. Please find all information about the first phase of the ZO.RRO project following the link below:

>> All results and information about ZO.RRO I

>> ZO.RRO Final Conference May 23rd 2022

ZO.RRO- Project Documentary Film (9 min)