The profitability analysis of measures with a relevant level of investment should be carried out as an annual full cost analysis based on VDI 2067. It is helpful to present the full costs over the service life or the amortisation period (often 20 years). Corresponding price increase rates must be taken into account here.
Is a well-founded profitability analysis of interest to me?
When analysing measures to improve efficiency or optimise energy provision, the aim is to objectively and comprehensibly assess whether the proposed improvements are also cost-effective. For a "clean" assessment, all cost items (capital, consumption and operating costs) must be included in the analysis. The cost-effectiveness of the measures examined is assessed on the basis of the static or dynamic amortisation periods.
In many cases, it also makes sense to subject the profitability calculation to a sensitivity analysis. This means analysing how the economic efficiency of a measure changes as a result of varying certain parameters (e.g. energy costs). This gives you a feeling for how sensitively the profitability reacts to certain changes.
What can we do for you?
For all measures we propose to improve efficiency or optimise energy supply, we prepare a profitability calculation based on VDI 2067, so you can see exactly how long it will take to recoup your investment.
Selected projects
We have analysed measures to improve energy efficiency and developed energy concepts for these industrial companies. This has enabled us to significantly reduce energy consumption and noticeably cut energy costs. An important part of our work always includes detailed profitability calculations to evaluate proposed measures and compare different variants.
MAN Truck & Bus SE has set itself an ambitious goal of reducing CO2 emissions by 50% by 2025 compared to 2015. The introduction of the energy management system in accordance with ISO 50001:2018 in all plants and the continuous further development of the CO2 roadmap are essential building blocks for the Group on the way to achieving this goal.
In order to replace the climate-damaging fuel lignite with CO2-free heat, the site managers decided to connect the plant to the local district heating network of N-Ergie. In addition to the conversion of the heat supply, several optimisation measures in the local heating network were also investigated in order to achieve the maximum CO2 savings.
In the project different approaches to waste heat utilisation were analysed technically and economically. Waste heat sources and sinks were compared and concepts were developed, for which the funding possibilities according to the “Bundesförderung für Energieberatung im Mittelstand” were researched.
eta Energieberatung also carried out the repeat audit for the SRH Group. During the audit, numerous individual measures were analysed and the potential savings identified. However, more urgent than the implementation of investment measures is the introduction of a comprehensive energy (data) management.
Let us help you to realize your concepts
We would be happy to help you solving your questions on the use of biomass and on the planning and optimization of heating plants.
We will find the tailor-made solution for you too.
Call me without obligation or write me an e-mail.
Andreas Reichel