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German Heating Bills Rise Again in 2025, Gas Up 15%

A new analysis of more than 90,000 buildings links the jump to higher energy prices after a cold winter.

Overview

  • co2online’s Heizspiegel projects for a 70 m² apartment: gas €1,180 (+15%), pellets €740 (+20%), heat pumps €715 (+5%), heating oil €1,055 (+3%), district heating €1,245 (+2%).
  • According to the report shared with FAZ, running a heat pump is now the lowest-cost option at €715 for the reference flat, while district heating averages €1,245.
  • The study cites higher wholesale energy prices and a cold start to the year as the main drivers of the renewed increases.
  • About 4.2 million people lived in households behind on energy payments in 2024 (roughly 5% of the population), underscoring persistent affordability risks.
  • co2online projects gas and oil heating costs could roughly triple over 20 years as CO2 prices rise and gas network fees grow, with the EU’s ETS2 beginning in 2027 expected to add pressure, while most households could still save about €400 annually through simple efficiency steps.