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Energy self-supply for Schaller Gemüse, Nuremberg - Germany

Concept / realization of energy self-supply with comprehensive management system

Energy self-supply for Schaller Gemüse, Nuremberg - Germany

Concept / realization of energy self-supply with comprehensive management system

Food & Beverages

Schaller Gemüse GbR

Energy demand increases due to the expansion of the greenhouse from 1.5 to 2.3 ha.
High costs for electricity and heat as well as for technical CO2 used for fertilization.
Goal: automated and flexible energy supply to improve CO2 balance and focus on core business.

Optimization of the energy center of the greenhouse with superordinate energy management system as a turnkey solution:

2 x 50 kW CHP with optimized operation (self-supply and grid feed).
Installation of 30 kWp photovoltaics on the roof area.
600 m³ heat storage for flexible operation of the heat generators and optimization of the fertilization behavior.
Integration of subsidies, savings guarantee with full service contract over 8 years.

"With the holistic optimization of the energy center, we are reducing our energy costs in the long term and emitting more than 75% less CO2.“

Michael Schaller - Managing Director Schaller Gemüse, Nuremberg

High energy cost savings.
Reduction of CO2 emissions: > 1,000 tons/year (more than 75% of the emitted CO2 is used for tomato fertilization).
Internal Rate of Return (IRR) > 13% for the whole project incl. subsidies.
8-year contract term incl. comprehensive services and savings guarantee.