The number of voltage dips in the Danish electricity grid has increased significantly since 2016 as a result of the green transition and more shifts between energy sources. This particularly affects companies, where even short-term interruptions can lead to large production losses. This is reported by the technology company ABB.
For private consumers, a voltage dip is often of no importance, but in industry it can lead to days of production downtime and losses of several million. DKK. Especially in the pharmaceutical and food industries, where production quality is crucial, voltage dips are a growing problem.
- There is no doubt that the transition to renewable energy is the right way to go. But right now, when we are in the middle of the transition, we are experiencing a downside to the many shifts between energy forms, because it has become significantly more difficult for energy providers to control the production volume. This means that during the transitions, what we call voltage dips can occur for a few milliseconds, says Rasmus Theill, country leader in Power Protection at ABB Electrification, in a statement.
According to figures from Energinet, the number of voltage dips has increased from 29 in 2016 to 91 in 2022. And although the latest figures have not yet been published, ABB estimates that the development has accelerated further in recent years.
- Although the latest figures have not yet been published, I dare say that we have seen an even more significant development in the past 2-3 years. And when we talk to production companies within the pharmaceutical and food industries, where the requirements for production quality are sky-high, it is clear that voltage dips are a growing problem, says Rasmus Theill.
Several companies have taken steps to protect themselves against unstable conditions, including by installing backup systems. But many are still hesitant to invest in the solutions, even though the financial consequences of a breakdown can be significant. ABB is experiencing increasing demand for advice on how companies can protect themselves against future voltage dips.
- Whether the business case makes sense depends of course on the industry and the potential production loss from an unstable supply, says Rasmus Theill, who predicts that voltage variations will become more and more frequent over the coming years as a result of the continued electrification of society.
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