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Transitioning to Hourly Renewable Energy Matching: A Simple Scenario Analysis

Jonas Verstraeten
July 4, 2024

Understanding the Impact: Scenario Modeling

To illustrate the differences between annual and hourly matching, let's consider a case study of one of our customers. The impact of hourly renewable energy matching has been modeled considering their consumption profile and production profiles in their local market. Note that the profiles have been normalized to 10 GWh per year.

The different consumption and production profiles considered for the scenario analysis.

The table below shows the impact of hourly renewable energy matching for various scenarios of energy consumption, renewable energy production, and demand-side flexibility:

Key Takeaways:

  1. Hourly matching is challenging: Via annual renewable energy matching, it is merely a procurement exercise to reach a 100%-matched energy consumption. In the more granular hourly matching scenario, the matching percentages drop significantly. For instance, with 100% PV, the match is only 37% hourly. This is due to the intermittent nature of solar energy, which doesn't generate power at night or during cloudy periods.
  2. Mixing renewable sources helps: Combining 50% PV and 50% wind improves the match significantly. This combination leverages the different production times of solar and wind energy, offering a more consistent supply.
  3. Developing energy flexibility helps: Adding flexibility enhances the matching too. Energy consumption flexibility can significantly help in smoothing out the discrepancies between energy production and consumption. Let’s zoom in on this.

Flexibility: The Key to Hourly Matching

As solar- or wind-based renewable energy generation is intermittent by nature, companies need to embrace demand-side flexibility to achieve better alignment between energy consumption and renewable energy generation on an hourly basis. This involves adjusting energy usage patterns to match the availability of renewable energy.

Screenshot from our software product, with built-in hourly matching tracking. This tracking is translated to real-time operational steering signals to improve the matching score.

By implementing advanced energy management systems, companies can predict their energy balance (production of energy and consumption of energy) and adjust consumption in real-time. This allows to reduce Scope II emissions. While doing that, they can also achieve significant cost savings as well. Win-Win!

Do you want to discuss what hourly renewable energy matching means to you?

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