Knowledge

Guides without the sales pitch: how energy optimization really works, including the cases where it doesn't pay off.

Measuring solar surplus correctly

Why "what flows into the grid" is the wrong number, and how to calculate the real, distributable surplus.

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Dynamic electricity tariffs in Austria & Germany

What spot-market electricity really delivers, who it pays off for, and, honestly, who it doesn't.

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Coupling a heat pump with solar

SG-Ready, relay, or direct control? The three approaches compared, with their limits.

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