Driving down electricity prices is not all good news
The Independent|September 20, 2024
Europe has seen a record number of hours this year where electricity prices dropped below zero – a sign of progress in renewable energy generation but also a growing challenge that has lessons for other countries.
STUTI MISHRA
Driving down electricity prices is not all good news

A surge in clean energy production, particularly from wind and solar, has created moments where the grid is overwhelmed with more electricity than it can handle, pushing prices into negative territory.

In the first eight months of this year, Europe saw a total of 7,841 hours of negative electricity prices in various countries, according to consultancy ICIS, the longest time so far for negative electricity prices. Negative prices occur when excess electricity is generated. This means energy suppliers are paying to offload power they can’t store or use.

While this might sound like a good deal for consumers, the reality is more complex. Most households do not directly benefit from negative prices, as they pay fixed rates for electricity. Instead, it highlights the growing pains of a system trying to transition to renewable energy without the infrastructure in place to fully support it.

“Electricity generation and consumption must match at every point in time,” Dr Femke Nijsse, a lecturer in innovation, energy, and climate at the University of Exeter, told The Independent. “With higher shares of variable renewables, it’s more challenging to get this match.”

On days when a strong wind or a bright sun produces excess renewable energy, prices can fall rapidly, especially if demand is low. However, the grid isn’t always prepared to handle this surplus, and storage options remain limited.

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