Design & Product

ComgyOS Energy Central: Driving energy efficiency for your entire portfolio

The Challenge

While increasingly complex energy systems are being used in modern buildings, conventional technologies will remain widespread in existing buildings for many years to come. As a result, this leads to an increasing variety of systems being deployed in larger portfolios, with the challenge of optimally configuring them across the board and thus operating them in an energy-efficient manner. At the same time, sustainability in portfolio management and increasing energy efficiency in properties are becoming more and more important.

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The collection of energy consumption data is a fundamental prerequisite for the targeted exploitation of potential in these areas. The legislature has also already recognized this requirement and, in Section 71a (2) of the German Energy Act (GEG), has issued a requirement that non-residential buildings with technical systems > 290 kW in existing buildings must be retrofitted with appropriate energy monitoring technology.

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However, in order to use collected energy and water consumption data for energy efficiency assessments and other applications, such as meeting reporting obligations (e.g., ESG reporting), a high level of understanding of energy flows and their interrelationships within properties is essentially necessary. Traditional energy data platforms often reach their limits when mapping energy contexts due to the heterogeneous nature of portfolios.

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The Solution

ComgyOS, as a central data platform for integrating all relevant energy and water consumption data, provides a tool with the virtual energy central to comprehensively address the challenges mentioned above:

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Energy flows are placed in a property-specific context and presented in detail as well as in a clearly understandable manner
Inefficiencies in various system sections are automatically highlighted, allowing efficiency measures to be derived
Virtual measuring points solve the problem of a lack of physical measuring points in a cost-effective way and enable further analysis options

The virtual ‘Energy Central’ thus supports sustainable and efficient portfolio management with regard to energy efficiency and reporting requirements.

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The main functionalities are pointed out in detail below:

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Representation of all energy flows in the virtual energy central

The virtual energy central makes it easy and quick to visualize the relationships between energy flows. This places the collected meter data in a concrete context, allowing direct conclusions to be drawn about operating behavior. By integrating all collected meter data (including submetering), efficiency analyses can also be conducted deep into the property's secondary system (e.g., examining pipe losses in heat distribution).

^{The above video excerpt shows the set-up of an energy central with a heat pump as the central technical component. The meters created in ComgyOS are used to visualize consumption.}

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Collection of flexible efficiency indicators to derive optimization measures

The tool enables a detailed efficiency analysis at every level of energy flows – whether at the processor level or between individual components. This precise analysis allows anomalies (e.g., heat loss in sub-sections) and inefficiencies (e.g., poor utilization of heat generation systems) to be quickly identified.

^{The video excerpt shows how the heat pump's performance (COP) is analyzed over the selected observation period, based on the assigned meters and their consumption data. It also examines the development of the shares of electricity and heat used for heat pump operation in the total electricity consumption and used for hot water production respectively.}

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The energy and water consumption data contextualized in the virtual energy central provide the ideal basis for deriving automated, property-specific optimization approaches. In this context, we recently launched our automated generation of optimization suggestions using artificial intelligence (AI).

^{This video gives a brief insight into the beta version of this feature.}

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Use of virtual measuring points

Virtual metering points can be used to simulate information points in the energy central that are not equipped with a physical meter. An intuitive calculation approach allows virtual meter formulas to be defined using existing physical metering points and mathematical operators. This avoids the time and expense of retrofitting meters and allows additional consumption values to be integrated into efficiency analyses or reporting.

^{The video recreates a scenario in which the room heating portion of the generated heat is calculated using a virtual measuring point at the buffer tank (total measurement of heat generation by the heat pump, minus the pre-recorded heat measurement of the hot water portion).}

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Conclusion

With the virtual ‘Energy Central’, the collected measurement data is presented and contextualized to enable the precise monitoring of energy flows using flexible KPIs and prepares the data for report generation.

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ComgyOS, as a central data platform, thus represents the ideal solution for property owners who want to increase the energy efficiency of their properties, and achieve and document their sustainability goals. The AI-supported optimization approach also helps identify and prioritize optimization measures, even at scale, while ensuring that the requirements of GEG 71a Paragraph 2 are met.

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