Iceland vs Spain: Annual percentage change in primary energy from hydropower

Iceland

-3.3%

in 2025

Spain

-1.9%

in 2025

Iceland rank

32nd

Spain rank

30th

Annual percentage change in primary energy from hydropower over time

Spain currently reports -1.9% against -3.3% in Iceland, a difference of 1.3%.

The two have swapped places 40 times across 60 shared years of data; in 1966 it was Spain ahead.

Iceland ranks 32nd and Spain ranks 30th of 68 countries.

Indicator: Annual percentage change in primary energy from hydropower
Unit: %
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 73 places, 4,007 data points, 1966–2025
Last refreshed: 07 August 2026

Percentage change in total energy supply relative to the previous year.