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AutorenbildHolger Roswandowicz

How Shelly Switcher Can Optimize Spotmarket Prices in Denmark

Aktualisiert: 17. Nov. 2023

The Danish electricity market is an intriguing example of modern energy management and market dynamics. It participates actively in the European electricity markets, particularly in the spot markets where electricity is traded for immediate delivery.

The creation of Denmark's electricity mix is a result of several factors, including the country's energy policy, market mechanisms, and physical infrastructure. Denmark has been a pioneer in incorporating renewable energy sources, particularly wind power, into its national grid.

Here's how the electricity mix is formulated:

  1. Energy Policy: Denmark's government sets out ambitious targets for renewable energy integration. This policy direction significantly influences the mix, pushing for a higher proportion of renewables.

  2. Market Dynamics: The spot market prices in Denmark, as in the rest of Europe, are determined by the supply and demand balance. Electricity generators submit bids for their available electricity for the next day, and these bids are matched with the forecasted demand to set the price.

  3. Renewable Energy Sources: The country's robust investment in renewable energy, particularly onshore and offshore wind farms, means that when the wind is strong, a large portion of the electricity mix comes from wind energy.

  4. Interconnectors: Denmark is connected to neighboring countries through interconnectors, allowing it to trade electricity. This means when there's excess renewable energy, it can be exported, or when there's a deficit, Denmark can import electricity from its neighbors.

  5. Cogeneration Plants: These plants are highly efficient, producing both electricity and heat. They can run on various fuels, but there's a significant push towards biomass and other renewables.

  6. Demand Response: Denmark also has programs in place to adjust demand according to supply availability, especially relevant with variable renewable sources like wind and solar.

  7. Technology and Innovation: Advanced technologies, including energy storage and smart grid solutions, help manage the variability of renewable sources and ensure a stable electricity supply.

The energy mix in Denmark is a dynamic and ever-changing landscape, reflective of market prices, weather conditions, technological advancements, and policy decisions. As Denmark continues to invest in renewable energy and grid management technologies, the composition of this mix will likely continue to evolve towards sustainability.



The AI-powered "Stromfee Shelly Switcher," presumably a part of a smart energy management system, can play a significant role in minimizing consumers' electricity costs amidst the fluctuating spot market prices in Denmark. Here's how such a system could work:

  1. Real-time Pricing Data: The Shelly Switcher would access real-time spot market prices, which vary depending on supply and demand, weather conditions, and other factors affecting the energy market.

  2. Smart Algorithms: It would use advanced algorithms to analyze this pricing data, forecast trends, and identify the periods of the day when electricity is cheapest, typically when renewable energy production is high and demand is low.

  3. Appliance Control: By integrating with home automation systems, the Shelly Switcher could control when appliances are turned on and off. For example, it could defer the operation of washing machines, dishwashers, or electric heaters to times when electricity prices are at their lowest.

  4. Energy Storage Management: If the system is linked to an energy storage solution (like a home battery), it could charge the battery when prices are low and discharge it to meet the household's energy needs when prices are high, thus avoiding expensive grid electricity.

  5. User Preferences and Optimization: Users could input their preferences and minimum service levels into the system, allowing the AI to make cost-saving decisions that don't compromise the household's comfort and convenience.

  6. Peak Shaving: By reducing consumption during peak price periods, the system helps to 'shave off' the peaks in demand, potentially lowering overall energy costs and contributing to grid stability.

  7. Learning and Adaptation: Over time, the AI would learn the household's energy usage patterns and adapt its strategies to optimize savings further, taking into account changes in the household's routine, seasonal variations, and evolving market conditions.

By employing such technologies, consumers can effectively turn the volatility of the energy market into an opportunity for cost savings, all while contributing to a more balanced and efficient energy grid.



In Denmark, where the electricity spot market determines the price of electricity, using smart devices like the "Stromfee Shelly Switches" can be particularly beneficial. These smart switches can help consumers leverage the fluctuating prices of the spot market to reduce their electricity bills. Here's how they can be used:

  1. Integration with Real-Time Data: Stromfee Shelly Switches can be integrated with real-time data from the spot market. They would receive current electricity prices and adjust the operation of connected devices accordingly.

  2. Automated Device Operation: These smart switches can automate the operation of household devices based on the spot market prices. When prices are low, the switches can turn on connected devices, such as water heaters, electric car chargers, and other non-critical appliances.

  3. Scheduling and Timing: The Shelly Switches can schedule the operation of appliances during hours when electricity is typically cheaper, such as during high renewable output or off-peak hours. This avoids energy consumption during peak price periods.

  4. Demand Response: They can be part of a larger demand response system, where consumers are incentivized to reduce or shift their electricity usage during times of peak demand, which correlates with higher prices on the spot market.

  5. Load Balancing: By distributing electricity consumption more evenly throughout the day based on price signals, these switches help in balancing the load on the grid, which is particularly important in a system with a high penetration of renewable energy sources.

  6. Energy Consumption Monitoring: Shelly Switches can monitor and report on energy consumption, allowing consumers to understand their usage patterns and identify opportunities to save energy and reduce costs.

  7. Smart Home Ecosystem: As part of a smart home ecosystem, they can work in concert with other smart devices and sensors to optimize the household's energy consumption as a whole.

By using Stromfee Shelly Switches in Denmark's spot market environment, consumers can actively participate in energy markets, reduce their electricity costs, and contribute to the overall stability and sustainability of the energy grid.

In Denmark, spot market prices for electricity can vary significantly, often reaching a minimum when the production from renewable sources is high and a maximum during peak demand or low production periods. An AI-powered device like the "Stromfee Shelly Switcher" can minimize consumers' electricity costs by leveraging these price fluctuations in several ways:

  1. Dynamic Scheduling: The Shelly Switcher can schedule high-energy-consuming tasks for times when the spot market price is at its lowest. For instance, running dishwashers, laundry machines, or charging electric vehicles during off-peak hours can lead to substantial cost savings.

  2. Predictive Analysis: AI algorithms can predict price trends based on historical data and real-time conditions, allowing the Shelly Switcher to pre-emptively adjust consumption patterns before prices hit their peak.

  3. Load Shifting: By shifting the load to cheaper time slots, the Shelly Switcher can reduce the cost without reducing the total energy consumption. This is particularly useful for thermal loads like water heaters or space heaters, which can be pre-heated during low-price periods.

  4. Real-time Optimization: If integrated with home energy management systems, the Shelly Switcher can make real-time decisions to turn off or reduce power to certain devices when the current spot price exceeds a certain threshold, ensuring that consumers don't pay premium prices for their electricity.

  5. Peak Demand Management: During times of maximum prices, the Shelly Switcher can reduce the overall demand by managing the operation of multiple devices across a household, thereby avoiding the highest tariffs.

  6. Renewable Energy Integration: For homes with renewable energy sources like solar panels, the Shelly Switcher can use excess energy to power appliances when it is most economically viable or store it for later use, further reducing reliance on grid electricity during expensive periods.

  7. User Customization: Consumers can set preferences and limits on how and when the Shelly Switcher should operate, allowing for a balance between cost savings and convenience.

By smartly adapting to the volatile spot market prices, the Stromfee Shelly Switcher can significantly reduce electricity costs for consumers in Denmark.


In Denmark, there are several energy companies that offer flexible electricity pricing to consumers, reflecting the spot market prices. These companies typically have tariffs that vary on an hourly basis in line with the Nord Pool spot market, which is the leading power market in northern Europe. Some of these companies include:

  1. Barry: An app-based electricity supplier that offers dynamic prices directly linked to the spot price, allowing consumers to take advantage of hourly fluctuations.

  2. Tibber: A digital electricity supplier that buys electricity directly from the Nord Pool market and sells it to consumers without any markup, only charging a subscription fee for the service.

  3. SEAS-NVE: One of Denmark's largest energy groups, offering a flexible electricity product where the price follows the market hour by hour.

  4. Eniig (Now Norlys Energi): Offers flexible prices with a product that follows the spot price, giving consumers the opportunity to save money by using electricity when prices are lower.

  5. Ørsted: Formerly known as DONG Energy, Ørsted provides various flexible price contracts that allow consumers to benefit from the fluctuating market.

  6. Energi Danmark: Supplies electricity to both businesses and private consumers with prices that follow the market's ups and downs.

These companies typically offer apps or other digital solutions that allow customers to monitor the spot market prices and adjust their consumption accordingly. It's always recommended to check the current offerings as new suppliers may enter the market and existing ones may change their services. Additionally, consumers should carefully compare the terms and conditions of the flexible contracts, as well as any additional fees or services that may be included.

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