Result description
The solution consists of a virtual power plant (intelligent management system) that connects local photovoltaic production, heat pumps and batteries to outside energy production. The system operates at neighbourhood level and optimizes energy and heat consumption by connecting internal energy producers (photovoltaic, heat pumps, and battery storage) and external ones (district heat). The project leads to a partly self-sufficient energy supply which results in less pressure on energy grids, lower carbon emissions, and better air quality.
The energy company RheinEnergie implemented the Siedlungsmanagement software to maximize the self-sufficiency of the Stegerwaldsiedlung neighbourhood (16 buildings) being retrofitted in GrowSmarter. The software manages the performance of 41 heat pumps, 1068kWp of photovoltaics, district heating for peak loads, and 16 batteries. The system forecasts and optimizes energy consumption for the next 36 hours, updating every 15 minutes.
Lessons learnt
Connecting and controlling power systems to a new external control unit is a challenge. The manufacturers of the systems must provide access to the control unit and the necessary IT protocols.
It is crucial not to underestimate the time required to collect all the requirements for the software and the controllable equipment. In case this measure is performed together with retrofitting works, delays on equipment and software installation may be expected as delays during construction works may be frequent. This must be considered in the planning.
Upscaling & replication potential
This measure is the first of its kind in Germany. Because of this, uncertainty about what must and must not be monitored in all energy flows in the settlement has been found. Discussions with expert lawyers to identify critical points to comply with the new Renewable Energy Act in terms of the interaction with the grid operator were carried out. The outcome of these discussions will be very useful for replication.
Addressing target audiences and expressing needs
- We are sharing our knowledge
- Others/ No specific audience
- Other Actors who can help us fulfil our market potential
Result submitted to Horizon Results Platform by DEUTSCHE WOHNUNGSGESELLSCHAFT MBH -DEWOG
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