Connectable: In the old boiler house in a Berlin district, the Lumenion storage tank filled with steel cores provides hot water. It charges when a lot of wind and sun push down electricity prices.
Image: Lumenion
Industrial companies groan under high gas prices and fear an embargo. They need energy for their process heat, whether in the brewery or the chemical park. A simple technique could help: thermal storage.
Dhe hierarchy in the energy cosmos is actually quite clear. The place at the top belongs to electricity. Noble he is, because technicians and inventors agree. Heat energy is a bit more mundane, maybe in the middle of the hierarchy. But now the energy transition is coming and messing up the whole beautiful pyramid. Because now, and especially now that the country has a few more reasons to move away from the old sources of heat, oil and gas, one thing is striking: where there should be green, renewable heat, there is a fairly large gap.
After all, 40 to 50 percent of the noble electricity comes from renewable energy sources. The heating sector, with its 15 percent, is far removed from this. German companies are also so afraid of a gas embargo because the industry has long relied on precisely this fuel to provide them with a lot of process heat. According to the Federal Association of Energy and Water Industries, two-thirds of industrial final energy consumption is used for heat, the vast majority of which is used for process heat – wherever steam is needed, whether in dairies, paper factories or chemical companies.
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