At €77.4/t CO₂ (EU ETS mid-2026) and a 200 °C steam main on a gas plant: approx. 100–180 t CO₂/yr saved × €77.4 = €7,700–€13,900/yr in avoided ETS costs. Add fuel savings of €40–55/MWh and total annual benefit is typically €50,000–€120,000 for 100 m².
From our guide: How Insulation Reduces Scope 1 Emissions — full context, charts and sources there.