The KlimaGrid blog
Tips, analysis and news on solar energy and the Klimabonus in Luxembourg.
Klimabonus 2026: everything that changes for households
The new pre-financing, revised amounts and eligibility conditions: here is the essence of the 2026 Klimabonus.
January 15, 2026 · 5 min read
How to choose a registered installer in Luxembourg
Registration, warranties, references: the criteria that make the difference for a successful solar installation.
January 8, 2026 · 6 min read
Self-consumption vs selling back: what to choose in 2026?
Feed-in tariff or self-consumption with a battery: we compare both strategies with the numbers.
January 2, 2026 · 7 min read
Solar installation prices in Luxembourg in 2026
Full breakdown: €1,500–€2,200/kWp gross, Klimabonus deducted, battery and premium configurations. All the real market numbers.
February 12, 2026 · 6 min read
Solar profitability in Luxembourg: what you actually save
Real production (~950 kWh/kWp), self-consumption tariff, surplus resale: the complete formula for net 25-year returns.
February 20, 2026 · 7 min read
Solar payback period: 7 to 13 years in 2026
How Klimabonus pre-financing, self-consumption, and rising electricity prices have shortened payback vs 10 years ago.
March 4, 2026 · 5 min read
Heat pump vs gas boiler: the 15-year comparison
Total cost, CO₂ impact, thermal comfort and regulatory pressure: why heat pumps take the lead in 2026.
March 18, 2026 · 7 min read
Home EV charging in Luxembourg: 2026 buying guide
Power, smart load management, €1,200 Klimabonus: everything to choose and install the right charger for your EV.
April 2, 2026 · 5 min read
Solar storage battery: the 2026 technical guide
Capacity, LFP vs lithium-ion chemistry, AC/DC coupling, and the no-concession economic calculation to decide if a battery pays off.
April 15, 2026 · 6 min read
Registered solar installers in Luxembourg: how to verify
In Luxembourg, the equivalent of France's RGE label is the Ministry of the Economy registration. The 3 questions to ask before signing.
May 6, 2026 · 4 min read