That means low-energy house. You know, a Green energy house?

This low-energy house looks like it had plenty of energy to me.

On Wednesday evening, the fire department was called to Schönberg in Schleswig-Holstein: A deafening rumble shook the neighborhood! There was an explosion in a single family house that blew away an entire wall…

The initial assumption is that a lithium battery storage system in the low-energy house could be the reason.