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Energy Management Guide for Hotels 2023/2024

Core components of the measurement concept for hotels



Every hotelier knows how important it is to monitor energy consumption. This is not only to save costs, but also to become more environmentally friendly. Below we present a core component of the measurement concept: the total power consumption. Total Power Consumption: The Heart of the Energy Monitor A hotel is like a small city. There are numerous rooms, public areas, kitchens, and technical facilities. All of these consume energy. But how can one record the total electricity consumption of such a complex? Total electricity consumption gives us an overview of the total amount of energy used in a specific period of time. This value is crucial for understanding how efficiently a hotel is working and where there is potential for savings. Why is total power consumption so important?


Why is total power consumption so important?

Monitoring total electricity consumption allows hoteliers to identify opportunities for energy and cost savings while contributing to environmental protection through reduced CO2 emissions. Additionally, having insights into overall electricity usage empowers hoteliers to optimize their operations for greater efficiency.

Cost savings:

By understanding and monitoring overall electricity consumption, hoteliers can identify areas where they can save energy and, in turn, money.

Optimizing operations:

With data on total electricity consumption, hoteliers can adjust their operations to work more efficiently.

Environmental friendliness:

Lower energy consumption means fewer CO2 emissions. Hotels that reduce their energy consumption contribute to environmental protection.


Stromfee-Diary: Your partner in energy management

The Stromfee-Diary is an AI-supported energy monitor. It consists of various hardware components and works with the MQTT protocol (a communication protocol specifically developed for the transmission of telemetry data in IoT applications). With its help, you can monitor your hotel's total electricity consumption in real time, allowing you to make better energy management decisions.


Total electricity consumption is a crucial metric for every hotel. With the right tools, such as the Stromfee diary, hoteliers can effectively monitor and optimize their energy consumption.

Energy consumption in hotels: An insight into the most important areas


Hotels are like small towns that run 24 hours a day and offer various services to their guests. To ensure all these services run smoothly, they require a continuous supply of various forms of energy. Let's look at the main areas where energy is used in a hotel.

Main areas of energy usage:


The central nervous system

Every hotel, large or small, relies on a constant power supply. From the lights in the rooms to the electronic devices and computer systems, electricity is the backbone of daily operations.


Comfort and comfort

In colder regions or during the winter months, heat supply is crucial. Heating systems ensure guests stay warm and comfortable, whether in their rooms or in common areas.


Freshness and refreshment

Effective cooling is essential in the warmer months. Air conditioners, refrigerators and other cold-producing systems ensure that both guests and food stay fresh.


A flowing commodity

Water is used in a variety of ways in a hotel - from food and drink preparation to cleaning to guest room bathrooms. A constant water supply is therefore essential.


Breathe and feel good

The quality of indoor air is of great importance for the well-being of guests. Ventilation and air conditioning systems ensure clean and fresh air circulation throughout the hotel.


The energy supply in a hotel is a complex network that ensures that guests are always satisfied and all services run smoothly. Efficient energy management is therefore essential for the success of every hotel.

Combined heat and power plant (CHP): The heart of modern hotel energy supply



In today’s world, sustainable and efficient energy solutions are essential for hotels. The combined heat and power plant, or CHP for short, has proven to be a real game-changer in this regard. It acts as a central energy source and supplies many hotels not only with electricity but also with heat. But what makes the CHP so special and how does the electricity fee system support hoteliers?

Double benefit: electricity and heat from the CHP plant

The principle of the CHP is simple and ingenious at the same time: it not only uses the electricity generated for direct supply, but also converts the resulting waste heat into usable energy. This makes the CHP an extremely efficient system that significantly reduces hotels' energy consumption while ensuring a sustainable energy supply.

Electricity fairy in action: Intelligent monitoring and control

The electricity fee system takes the operation of the CHP to a whole new level. It enables the continuous monitoring of electricity and heat generation and thus offers hoteliers a detailed insight into the performance of their CHP. This is particularly important to ensure that the CHP always runs optimally and does not cause unnecessary energy loss.

Always up-to-date: systematic maintenance

Another advantage of the electricity fee system is the automatic recording of maintenance intervals. This way, hoteliers can ensure that their CHP is always in top condition and operating at maximum efficiency. Regular maintenance not only extends the lifespan of the CHP, but also helps to minimize downtime and optimize energy consumption.


For many hotels, the combined heat and power plant is the heart of their energy supply. By combining it with the electricity fee system, hoteliers can ensure that they exploit the full potential of their CHP while making their energy consumption efficient and sustainable.

Benefits of Photovoltaic Systems (PV Systems) for Hotels

Hotels are often large consumers of electrical energy, be it for lighting, heating, cooling or operating systems. The integration of a photovoltaic system (PV system) can bring both ecological and economic benefits for hotels:

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Cost savings:

  • Reduced Energy Bills: By generating their own solar power, hotels can significantly reduce their monthly electricity bills.

  • Stable energy costs: With their own energy source, hotels can avoid price fluctuations on the energy market.



Optimization of roof areas:

  • Efficient use: Many hotels have large, unused roof areas that are ideal for installing PV panels.

  • Building Aesthetics: Modern PV panels can be aesthetically pleasing and contribute to the architectural appearance of the hotel.

Image by Darya Jum


Ecological commitment:

  • Sustainable energy source: Hotels can reduce their carbon footprint and contribute to environmental protection.

  • Green Image: A hotel that uses renewable energy sources can position itself as an environmentally conscious company and thus attract environmentally conscious guests.

Image by Katie Moum


Government incentives:

  • Support programs: Many countries offer financial incentives for the use of solar systems, from which hotels can benefit.

  • Tax advantages: Investments in renewable energy can bring tax advantages.

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  • Own energy production: Hotels can cover some or even all of their energy needs from their own PV system.

  • Emergency power supply: In the event of power outages, the PV system can serve as a backup in combination with an energy storage system.

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Long-term investment:

  • Increase in the value of the property: A modern PV system can increase the value of the hotel building.

  • Future security: In view of rising energy prices and growing environmental movements, investing in renewable energies is future-oriented.


Installing a PV system offers a win-win situation for hotels. You can achieve significant cost savings, reduce your environmental footprint and position yourself as a leader in sustainability.

Use of the Photovoltaic System (PV system) for hotels in conjunction with the electricity fee diary


The combination of a photovoltaic system (PV system) with the Stromfee diary offers hotels an optimized solution for energy monitoring and control. Here are the main benefits of this integration:



Detailed monitoring and analysis:

  • Real-time data: The Stromfee diary offers real-time monitoring of the PV system's energy production and usage.

  • Efficiency Tracking: Hotels can monitor the performance and efficiency of their PV system over time.



Optimized power management:

  • Energy consumption analysis: With the Stromfee diary, hotels can analyze energy consumption and identify areas where energy can be saved.

  • Automated control: The system can make suggestions for optimal energy use, e.g. B. when excess energy should be stored or fed into the grid.



Cost efficiency:

  • Savings potential: Hotels can effectively save costs through detailed analysis of energy consumption and energy production.

  • Budget Forecasting: With accurate data on energy production and usage, hotels can better predict their future energy costs.



Sustainability reports:

  • Environmental balance: With the Stromfee diary, hotels can generate detailed reports about their CO2 savings and their contribution to the environment.

  • Green certifications: Such data can be useful for environmental certifications and awards.



User friendliness:

  • Simple interface: The Stromfee diary provides a user-friendly interface that makes it easier for hotel staff to monitor the PV system and energy consumption.

  • Alarm functions: If there are any problems or irregularities with the PV system, the hotel will be notified immediately.



Long-term maintenance and care

  • Maintenance logs: The Stromfee diary can record maintenance intervals and histories for the PV system, which is helpful for long-term care and optimization.


  • Integrating the Stromfee Diary with a PV system allows hotels to maximize their energy efficiency and save costs while promoting their sustainability efforts.

Battery storage in hotels:
A key to energy autonomy

Hotels are places with high energy requirements, be it for lighting, heating, cooling or for the operation of various facilities. In this context, battery storage, especially in combination with a photovoltaic (PV) system, can play a crucial role.


Here are some benefits and considerations for integrating battery storage into hotels:

Energy independence and cost savings

Battery storage allows hotels to store and use the electricity generated by their PV system when the sun is not shining. This leads to a higher rate of self-consumption, which in turn can lead to significant energy cost savings.

Grid stability and load balancing

Battery storage can store excess energy and feed it into the grid when needed. This helps reduce load peaks and increase grid stability, especially at times of high demand.

Environmentally friendly

Hotels that use battery storage in combination with PV systems can significantly reduce their carbon footprint. Not only does this reinforce the hotel's eco-friendly image, but it can also lead to government incentives or certifications.

Emergency power supply

In regions where power outages are common, battery storage can serve as a backup power source to keep the hotel running.

Optimizing energy consumption

By combining battery storage with intelligent energy management systems, such as the Stromfee electricity price manager, hotels can monitor and optimize their energy consumption in real time.


Overall, battery storage, especially when combined with PV systems, offers hotels the opportunity to reduce their energy costs, minimize their environmental impact and ensure a reliable energy source.

Advantages of the Stromfee Electricity Price Manager for Hotels with battery storage

Hotels are places with high energy requirements, be it for lighting, heating, cooling or for the operation of various facilities. In this context, battery storage, especially in combination with a photovoltaic (PV) system, can play a crucial role.
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Optimized energy costs

By using the Stromfee electricity price manager, hotels can significantly reduce energy costs. The manager analyzes the current electricity price and makes recommendations as to when it is most cost-effective to obtain energy from the grid or to use the electricity stored in the battery storage system.

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Reducing the carbon footprint

By optimizing the use of self-generated electricity from renewable sources and reducing grid electricity purchases, hotels can reduce their carbon footprint. Not only is this eco-friendly, but it can also be a major selling point for eco-conscious guests.



Maximizing the self-consumption rate

With battery storage, the hotel can store the electricity it generates and use it at a later time. The electricity price manager helps to optimally control your own consumption so that less energy has to be purchased from the grid.

Image by Антон Дмитриев


Protection against power outages

With battery storage and the electricity price manager, the hotel has an additional layer of security in the event of grid power outages. The stored electricity can be made available immediately when needed, allowing hotel operations to continue without interruption.

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Flexibility in the event of energy price fluctuations

Energy prices can vary greatly throughout the day. With the electricity price manager, hotels can use these fluctuations to their advantage and purchase or store energy at the cheapest times

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Increased independence from the power grid

Hotels can reduce their dependence on the public electricity grid and thus protect themselves against rising electricity prices and network fees.

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