The Capacity Limiting Contract (CBC) is a relatively new instrument that grid operators use to help companies manage limited grid capacity more intelligently. For some organizations, it offers direct benefits, such as lower costs or faster connection. For others, it can be restrictive. In this article, you'll learn when a CBC contract is beneficial, what factors are decisive, and how a smart EMS helps you get the most out of it.
What exactly is a CBC contract?
A CBC contract – fully known as a Capacity Limiting Contract – is an agreement in which your company agrees with the grid operator not to draw more than a certain amount of electricity at once. In return, there's a benefit: a discount on your transmission tariff, or faster access to capacity in congested areas. According to Netbeheer Nederland , CBCs are intended to distribute available grid capacity more fairly and encourage companies to plan their consumption more intelligently. You can find more about what a CBC contract is in our article on that topic.
When is a CBC contract worthwhile?
A CBC contract is particularly worthwhile for organizations that can actively manage or temporarily limit their consumption. In practice, this often involves companies with battery storage, flexible production processes, or charging infrastructure.
- You have predictable consumption: for example, production in fixed shifts or automated processes.
- You have flexibility: consumption can be temporarily reduced or shifted without harming production.
- You have energy storage: a battery or heat pump system can absorb peaks.
- You want to expand: but are facing waiting times or refusal of grid reinforcement.
According to RVO companies with these characteristics can reduce their costs by up to 25% by intelligently utilizing CBC contracts, provided they have good data and control.
Do you want to know if your organization is suitable for a CBC contract? Discover how a smart EMS helps you manage power flexibly, reduce costs, and enable growth without additional grid capacity.
When is a CBC contract less suitable?
Not every company benefits from a CBC contract. Organizations with highly fluctuating consumption or processes that are difficult to interrupt risk exceeding the agreed limits. This can lead to fines or production loss.
- Your consumption is erratic: peaks occur unexpectedly or due to unpredictable production.
- You lack real-time insight: without data, you don't know when you are approaching the limit.
- You have little flexibility: processes are continuous and cannot be shut down.
A smart EMS can often solve this problem. Through real-time monitoring and predictive algorithms, you gain insight into impending overruns and can take proactive control, for example, by activating a battery or temporarily pausing non-critical processes. More about the risks (and benefits) of a CBC contract you can read in this article.
What are the financial effects of a CBC contract?
The financial benefit of a CBC contract depends on the extent to which you can adhere to the agreed limit. Companies that do this well benefit from structurally lower network costs. The potential savings vary by sector:
- Manufacturing companies: 10–20% lower grid costs through predictable load.
- Logistics hubs: 15–30% savings through smart charging management.
- Retail and real estate: 5–10% savings through better consumption distribution.
According to Energeia CBC contracts are financially more attractive than traditional connections as soon as companies actively utilize flexibility and storage. However, without smart control, the benefits rarely outweigh the risks.
How does technology help make a CBC contract successful?
The key to success is automation. A smart EMS monitors your consumption and predicts when the limit is approaching. The system then automatically controls consumers or batteries to stay within the limit. This makes a CBC contract not only feasible but also profitable.
- Real-time insights: continuous overview of power and consumption patterns.
- Automatic control: temporarily switches off or reduces devices or charging systems.
- Predictive models: recognize patterns and peaks before they occur.
- Reporting: proves to the grid operator that you adhere to the agreements.
A smart EMS makes the difference between risk and return. Without proper management, a CBC contract remains unpredictable, but with it, it becomes predictable and reliable.
What do companies already using CBC contracts say?
Real-world examples show that CBC contracts are particularly successful for companies with digital monitoring and flexibility in their processes. For example:
A cold storage facility in North Brabant combined a CBC contract with a 600 kWh battery. Thanks to smart control via an EMS, the company was able to reduce peak load by 35% and received a direct discount on transmission capacity. Without this control, the contract would have been barely feasible.
Conclusion: Opt for a CBC contract if you can leverage flexibility
A CBC contract is particularly interesting for organizations that can flexibly manage their energy consumption. Those without real-time insight or control run risks. But for those who implement a smart EMS deploy, turn a limitation into an opportunity: lower costs, faster connection, and control over energy consumption. The key is insight and automation – with these, you can maximize the benefits of a CBC contract.
Zympler provides smart energy management software that solves grid congestion, lowers energy costs, and supports growth. We achieve this by integrating all your assets, grid connection management, and your trading and balancing strategy into one central system, which optimizes all these aspects in real-time, 24/7. This allows you to maximize the potential of your connection, achieving the most favorable financial results.
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