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Energy & Solar
Generate power, cut heating costs, understand the rules.
Balcony Solar in Germany 2026: Rules, Registration and Real Savings
800 watts, 2,000 Wp, regular plug, registration in the Marktstammdatenregister: every rule for plug-in balcony solar in Germany in 2026, plus an honest look at the savings.
How to Cut Your Heating Bill: 12 Tips That Actually Work
From the right room temperature to bleeding radiators and hydraulic balancing: 12 money-saving tips ranked by effort, for renters and homeowners.