Italy vs Spain: Solar energy generation by region
Italy
46.52 terawatt-hours
in 2025
Spain
64.53 terawatt-hours
in 2025
Italy rank
9th
Spain rank
7th
Solar energy generation by region over time
- Italy
- Spain
How they compare
Spain currently reports 64.53 terawatt-hours against 46.52 terawatt-hours in Italy, a difference of 18.01 terawatt-hours.
That makes Spain's figure about 1.4 times Italy's.
The two have swapped places 6 times across 61 shared years of data; in 1965 it was Spain ahead.
Italy ranks 9th and Spain ranks 7th of 79 countries.
Across the 7 decades both report, Italy averaged higher in 2 and Spain in 3.
Head to head by decade
| Decade | Italy | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | β |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | β |
| 1980s | 0.0002 terawatt-hours | 0.0006 terawatt-hours | 0.0004 terawatt-hours | Spain |
| 1990s | 0.0115 terawatt-hours | 0.0112 terawatt-hours | 0.0003 terawatt-hours | Italy |
| 2000s | 0.1086 terawatt-hours | 0.9482 terawatt-hours | 0.8396 terawatt-hours | Spain |
| 2010s | 19.12 terawatt-hours | 12.42 terawatt-hours | 6.71 terawatt-hours | Italy |
| 2020s | 31.91 terawatt-hours | 42.48 terawatt-hours | 10.57 terawatt-hours | Spain |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher solar energy generation by region, Italy or Spain?
- Spain, at 64.53 terawatt-hours against 46.52 terawatt-hours in Italy as of 2025.
- What is the difference in solar energy generation by region between Italy and Spain?
- 18.01 terawatt-hours, with Spain ahead.
- How many years of comparable data are there for Italy and Spain?
- 61 years are reported by both, from 1965 to 2025.
- How do Italy and Spain rank globally for solar energy generation by region?
- Italy ranks 9th and Spain ranks 7th of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) β with major processing by Our World in Data, published as Solar energy generation by region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures are based on gross generation and do not account for cross-border electricity supply.