In order to further anchor climate protection in the urban area, the municipal utility Baiersdorf (SK-B) commissioned eta Energieberatung to carry out a project study at the end of 2017. For the local secondary school and surrounding buildings (including residential buildings) it had to be shown how a sustainable heat supply can be set up in a heating network.
The investigation has shown that several million euros in mineral oil tax can be saved annually through measures for heat extraction in test bench operation alone. In addition, heat and electricity procurement costs can also be reduced to a considerable extent. In contrast, the investments for heat extraction are relatively low.
Design and integration of a biomass cogeneration plant into an existing power plant site for connection to the existing district heating network to increase the return temperature.
Final consumers with high electricity consumption are entitled to an individual grid charge if their electricity consumption reaches a number of hours of use of at least 7,000 h/a per calendar year. For this reason, eta Energieberatung has developed and implemented a concept for load management with two emergency power supply systems.
The company Holzwerke Gebr. Schneider was supported in setting up an energy management system according to DIN EN ISO 50001. The certification audit was successfully accompanied.
An energy audit was prepared for the Siemens production site in Regensburg. Various measures were worked out to improve energy efficiency and thus save costs.
The company Weyermann was supported by eta Energieberatung in the introduction and certification of an energy management system according to ISO 50001.
eta Energieberatung also carried out the repeat audit for the SRH Group. During the audit numerous individual measures were analysed and the possible savings were determined.
Based on the detailed analysis of the actual state, measures for waste heat utilisation and optimisation of the compressed air network were developed. The savings were quantified and the expected costs determined.
Measures from the fields of compressed air, steam, refrigeration and ventilation technology were investigated. If all proposed measures were implemented, energy costs could be reduced by approx. 8 to 9 %.
Various measures for optimising insulation in the steam and condensate network (e.g. insulation for steam and thermal oil fittings) were developed and economically evaluated. A catalogue of measures with investments, savings and amortisation periods was drawn up.
A comparison of the capital, consumption and operating costs for the centralised and decentralised generation variants showed that the centralised variant (partial renewal) has significantly lower annual costs than the decentralised concepts. The cost difference is around €500,000 per year.
Based on the measurements carried out, a detailed representation of the energy flows in the electroplating shop was created. For several plants a power adjustment with frequency converters was proposed. Unused tax advantages for the natural gas used in the TNV were shown.
The company Borgers has been supported by eta Energieberatung for many years. The main focus of the consulting services was the establishment and maintenance of an energy management system according to ISO 50001, among other things a catalogue of efficiency measures was compiled, which shows annual CO2 savings of approx. 3,200 t resp. cost savings of 8 %.
The energy audit was carried out for the production site in Nuremberg and the associated real estate.