In 2023, the geothermal power energy supply in France stood at an actual value, serving as the baseline for future forecasts. According to the projected data, the supply will increase to 21.9 thousand terajoules in 2024, representing an immediate forecasted rise. The year-on-year variation suggests a pattern of steady growth: 3.38% increase from 2024 to 2025, 3.23% from 2025 to 2026, 3.12% from 2026 to 2027, and 2.95% from 2027 to 2028. Over the analyzed five-year period till 2028, the compound annual growth rate (CAGR) stands at approximately 3.17%.

Future trends to watch for include:

Technological advancements in geothermal extraction and efficiency improvements.
Government policies and subsidies that may further accelerate renewable energy adoption.
Market demand fluctuations influenced by broader energy market conditions and climate policies.