O preço da energia na Alemanha disparou para R$ 5.864/MWh devido ao dunkelflaute, o terror das renováveis, enquanto o custo médio no Brasil gira em torno de R$ 600/MWh

Energy Prices In Germany Soared to R$ 5,864/MWh Due to Dunkelflaute, The Terror of Renewables, While Average Costs in Brazil Are Around R$ 600/MWh

Written by Noel Budeguer

Published on 13/12/2024 at 15:52

Updated on 13/12/2024 at 15:53

1 person reacted to this.

The dunkelflaute, Windless Cold Phenomenon, Drastically Reduces Solar and Wind Energy Generation in Germany, Pressuring Demand and Exposing the Fragilities of Renewable Sources

Germany’s electric grid is at its limit. At 5 PM yesterday, wind and solar energy generation stagnated across the country (as well as in neighboring Denmark) and electricity prices soared to €936 (R$ 5800) per megawatt-hour.

The dunkelflaute Phenomenon

The Germans refer to dunkelflaute as the windless cold, a perfect combination that strangles photovoltaic energy production and halts wind turbines at the same time. Typical of cold anticyclones with low temperatures, this phenomenon further raises heating demand across the region.

The term comes from the German words dunkel (dark) and flaute (calm), but the quiet and dark winters in Germany have never weighed so heavily on the electricity bill as in recent years.

ARTICLE CONTINUES BELOW

The Need for Clean and Transitional Energy

Operators of the German electrical grid faced difficulties meeting demand due to low wind and solar production. This serves as a reminder that renewable energies are intermittent and require investments in storage and alternatives for clean energy. Or, at least, in reliable transitional energy.

The electricity price in Germany has risen 585.23% since the beginning of 2024 in the spot index. The closure of nuclear power plants forced the country to reopen some coal-fired plants. Fortunately, resorting to gas reserves will not be a problem this winter.

With 98% capacity at the beginning of November, German reserves currently hover around 87%, which is sufficient to get through the cold season. This is one less problem to worry about.

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Energy Prices In Germany Soared to R$ 5,864/MWh Due to Dunkelflaute, The Terror of Renewables, While Average Costs in Brazil Are Around R$ 600/MWh

The dunkelflaute, Windless Cold Phenomenon, Drastically Reduces Solar and Wind Energy Generation in Germany, Pressuring Demand and Exposing the Fragilities of Renewable Sources

The dunkelflaute Phenomenon

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Energy Prices In Germany Soared to R$ 5,864/MWh Due to Dunkelflaute, The Terror of Renewables, While Average Costs in Brazil Are Around R$ 600/MWh

The dunkelflaute, Windless Cold Phenomenon, Drastically Reduces Solar and Wind Energy Generation in Germany, Pressuring Demand and Exposing the Fragilities of Renewable Sources

The dunkelflaute Phenomenon

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Engineers want to carve through Africa with a giant canal to bring water from the world’s second-largest river to a dying lake on the edge of the Sahara Desert that has already lost 90% of its water.

A giant brown band visible from space, approximately 8,850 kilometers long, connected Africa to America in the Atlantic Ocean, and satellites revealed that it is neither land nor pollution, but the largest accumulation of seaweed in the world, which broke records in 2025.

Brazil filled the Northeast with wind turbines but now faces the side effect of 705 giant blades reaching the end of their lifespan by 2032 just in Rio Grande do Norte, while the world projects 43 million tons of waste by 2050.

India approved the country’s first submerged road-rail tunnel, 15.8 kilometers dug under the bed of the Brahmaputra River.

Instead of burning or burying old tires, an American city is transforming about 2,000 of them into the street itself, paving its first sections with a quieter and more durable rubber asphalt.

In just one cast, fishermen are surprised to capture 14,096 mullets in Bombinhas and close a historic season with 58,000 fish; scene recorded in the Santa Catarina paradise marks the last day of the 2026 season.

10 giant tortoises are reintroduced and, in just 6 months, trigger changes that lead scientists to investigate a phenomenon absent for 180 years; the numbers recorded on the island impress researchers from around the world.

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