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What is a solar energy surplus?
A solar energy surplus occurs when solar panels generate more electricity than you are currently using. This happens mainly on sunny summer days around noon, when electricity usage is often low. At those times, solar panels are generating plenty of energy, while demand in the home or at the business is low.
According to Flemish energy experts, it is precisely this mismatch between production and consumption that lies at the heart of a major challenge in the energy transition. The problem is not generating energy, but using it wisely at the right time.
A Changing Energy Landscape in Flanders
In Flanders, this phenomenon is becoming increasingly important. Various developments mean that you need to manage the energy you generate yourself more effectively and make the most of it:
- Solar panels are now widely used.
- The capacity rate encourages a more even distribution of consumption.
- Feed-in tariffs are under pressure.
- The power grid is increasingly being strained by peak demand periods.
As a result, there is a growing need to use self-generated energy immediately. Feeding excess energy back into the grid is often less cost-effective than direct self-consumption.
EMS as the Central Control System for Your Energy
In this story, an energy management system (EMS) plays a key role. At EnergyKing, we use the KingConnect platform, our proprietary EMS platform. This system intelligently controls all energy components within an installation. While solar panels generate energy and a battery stores it, KingConnect ensures that everything works together seamlessly. The system continuously analyzes what’s happening within the installation and automatically makes decisions to maximize efficiency. Specifically, KingConnect does the following:
- Automatically allocate solar energy among consumption, storage, and charging
- Charging and Discharging Your Home Battery the Smart Way
- Controlling charging stations based on solar production and energy prices
- respond to dynamic rates and the EPEX Spot market.
This way, your entire energy system is dynamically controlled, and it operates automatically and efficiently without you having to give it a second thought.
Source: Vlaanderen.be
Home battery as a buffer for sunny days
When more solar energy is generated than is needed at that moment, a home battery offers a logical solution. Instead of feeding that excess energy directly into the grid, it is stored for later use—for example, in the evening or during peak hours when electricity is more expensive or less available.
This becomes particularly interesting in the summer, when surpluses are at their highest. That’s when production peaks are high and surpluses occur more frequently. The home battery captures those peaks and converts them into usable energy for later. This allows you to increase your self-consumption and reduce your dependence on the power grid.
Smart Charging with an Electric Car
Electric cars are also becoming increasingly important in the modern energy system. You use them not only as a means of transportation, but also as a flexible energy buffer. When combined with a smart charging station and KingConnect, you can fully tailor your charging to your energy production and consumption. The system automatically controls the charging process based on real-time data. You charge your car when:
- high solar output is available
- there is little energy consumption in the home
- Favorable energy prices are in effect
This way, charging shifts to the most optimal times. As a result, the electric car becomes more than just a consumer of energy. It becomes an active part of your energy system, both at home and at work.
One integrated system
The real added value is created when EMS, home batteries, and charging solutions come together as a single integrated system. They automatically adjust to one another based on generation, consumption, and prices. KingConnect ensures that these elements continuously communicate with one another and complement each other. As a result, surplus solar energy is no longer wasted but is automatically deployed where it creates the most value: in storage, mobility, or direct consumption.
Conclusion: Making Smart Use of Surplus Solar Energy
At EnergyKing, we operate on one clear principle: energy must be utilized optimally and automatically, without any complexity for the user. That is why we develop integrated solutions in which KingConnect forms the heart of the system. This system seamlessly coordinates energy production, storage, and consumption, resulting in greater efficiency, less waste, and a forward-looking energy management system.
Solar energy surpluses in the summer aren’t a problem; rather, they’re a valuable indication that energy can be managed more intelligently. Those who opt for an integrated system featuring an energy management system (EMS), a home battery, and smart charging solutions get more out of every sunny day. This ensures that every kilowatt-hour generated is used to its fullest potential, increasing the efficiency and return on investment of the entire system.
