Germany economic impulse from geothermal and ambient heat
Germany economic impulse from geothermal and ambient heat stood at 3,020 EUR million in 2025, according to German Environment Agency (UBA) / Working Group on Renewable Energy Statistics (AGEE-Stat). It is one of the indicators in the Renewable energy: shares, investment and avoided emissions table (Value · Annual), with a complete series running from 2000 to 2025. The complete series with an interactive chart, free to download.
This indicator in the Renewable energy: shares, investment and avoided emissions table
| Indicator | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | 22,890 | 22,630 | 23,110 | 23,900 | 20,430 | 18,320 | 17,300 | 16,730 | 16,460 | 15,840 | |
| Geothermal and ambient heat | 3,020 | 2,570 | 2,240 | 1,900 | 1,820 | 1,520 | 1,410 | 1,280 | 1,220 | 1,120 | |
| Biomass electricity | 4,720 | 4,920 | 4,890 | 4,850 | 4,650 | 4,830 | 4,780 | 4,670 | 4,670 | 4,640 |
Understanding germany economic impulse from geothermal and ambient heat
Thermodynamic cycle servicing, compressor maintenance, and subsurface circulation monitoring for heat pumps and deep geothermal facilities anchor this measure. The scope covers compressor inspections, refrigerant leak testing, brine circulating pump repairs, wellhead servicing, heat exchanger cleaning, and electronic control optimization. Capital expenditures for drilling deep geothermal boreholes or installing ground loops and heat pump units are excluded, appearing under asset investment rows. Unlike biomass heating systems that require constant solid or liquid fuel replenishment, geothermal and heat pump installations harness natural environmental heat, directing operational spending toward refrigeration mechanics and hydraulic circulation rather than fuel acquisition.
Assembled on an annual reporting schedule, the data combine operational servicing across household heat pumps and municipal geothermal stations. Compilers determine annual values by modeling standardized maintenance intervals per installed heating capacity, updating estimates when empirical industry servicing data and equipment lifetime models are recalibrated. Evaluating year-on-year developments must take into account changes in the total installed heating stock, as regular servicing expands alongside cumulative equipment deployment. Users should not confuse these technical operational impulses with the electricity costs required to drive heat pump compressors, which are treated separately within general energy consumption statistics.
Frequently asked questions
- Are electricity expenditures used to run heat pumps counted in this series?
- No, electricity purchases for compressor operation are excluded to focus strictly on technical equipment maintenance, repairs, and servicing outlays.
- Does this indicator cover both shallow ground-source heat pumps and deep geothermal facilities?
- The series aggregates operational expenditures from residential air and ground heat pumps alongside deep geothermal district heating and power installations.
- What distinguishes this measure from geothermal capital investment?
- Initial borehole drilling, ground collector installation, and equipment purchases are classified as capital investments, whereas this row isolates recurring operational maintenance.