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Understanding BMU and non-BMU data in Modo Energy indices
Understanding BMU and non-BMU data in Modo Energy indices

Why Modo indices use BMU data and how to include non-BMUs in custom indices, with key considerations for accurate analysis.

Updated over a month ago

At Modo Energy, accuracy and transparency are central to how we calculate and report our indices. To maintain the highest standards, our standard indices are derived solely from Balancing Mechanism Units (BMUs). These assets provide a high level of operational and financial visibility due to strict data-sharing requirements, ensuring accurate and reliable representation in our calculations.

However, we recognise that asset strategies and analysis needs can vary, especially when including non-Balancing Mechanism Units (non-BMUs). To empower our users, we’ve introduced a feature allowing the inclusion of non-BMUs in custom index calculations.


What Are BMUs?

BMUs are assets registered in the Balancing Mechanism, a key part of the GB electricity market. These assets share comprehensive data on their operations, making it possible to accurately capture their performance across balancing, wholesale, and frequency response markets.

What About Non-BMUs?

Non-BMUs are active in certain markets, particularly frequency response, but do not have the same data-sharing obligations as BMUs. This often results in less visibility of their operational data, and wholesale market revenues are typically indicative rather than exact.

Considerations When Including Non-BMUs

By enabling the inclusion of non-BMUs in custom calculations, we provide flexibility for users who want a broader view of the market. However, it’s important to be aware of the potential data limitations:

  • Data Gaps: Non-BMU data may be incomplete, particularly for operational visibility and wholesale revenues.

  • Accuracy: Metrics for non-BMUs might rely on estimates rather than direct reports, impacting precision.


Empowering Your Analysis

Our new feature is designed to support your unique analytical needs. While BMUs remain the foundation of our standard indices for accuracy and transparency, the inclusion of non-BMUs in custom indices enables you to explore additional market dimensions, tailoring your analysis to suit your specific goals.

For further guidance or tips on using this feature effectively, feel free to reach out to our team.

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