In 2023, Italy's solar thermal energy supply stood at 11.11 thousand terajoules. The forecasted data shows a consistent annual growth from 2024 to 2028, with values increasing from 11.49 to 13.0 thousand terajoules. The year-on-year growth rates for this period are approximately 3.3%, 3.2%, 3.0%, and 3.0%, respectively. This indicates a steady upward trend and sustainability in growth. The compound annual growth rate (CAGR) for the period 2024-2028 is expected to be around 3.1%, reflecting robust sector expansion.

Future trends to watch for include:

Technological advancements that could increase efficiency and lower costs.
Policy shifts in renewable energy incentives.
Changes in public attitudes towards renewable energy adoption.
Competition from other renewable sources, such as wind and photovoltaic solar energy.