Built 2026-09-19 (19 September 2026)

Samoa Hydro Power: Generation, Share and Trend

Samoa generated 30.0 GWh of electricity from hydro in 2024, 18.8% of its total, according to Ember. That made it the 143rd largest hydro power producer in 2024 of the 153 countries with Ember data, comparing each country's latest year. Hydro supplied 14.4% of the world's electricity in 2024. These are annual statistics for 2024; they are compiled from national sources and are not real time.

Key Facts

  • Samoa generated 30.0 GWh of electricity from hydro in 2024.
  • Hydro supplied 18.8% of Samoa's electricity in 2024.
  • Samoa was the 143rd largest hydro power producer in 2024 among the 153 countries with Ember data, comparing each country's latest year.
  • Samoa's hydro generation in 2024 was 40% lower than in 2019, when it was 50.0 GWh.
  • Samoa's hydro generation in 2024 was about the same as in 2014, at 30.0 GWh.
  • Samoa's hydro generation peaked at 60.0 GWh in 2002.
  • Samoa's hydro share in 2024 was above the world share of 14.4%.
  • Samoa had 20 MW of hydro generating capacity in 2024.

Key Figures, 2024

MeasureValueAs of / source
Hydro generation30.0 GWh2024 · Ember
Share of Samoa's electricity18.8%2024 · Ember
World share of hydro14.4%2024 · Ember
Rank by hydro generation (each country's latest year)143 of 1532024 · Ember
Hydro capacity20 MW2024 · Ember

Hydro Generation Year by Year

Ember annual statistics, 2000 to 2024
Samoa hydro electricity generation, 2000 to 2024 Samoa's electricity generation from hydro each year from 2000 to 2024, in GWh. It was 30.0 GWh in 2024. 0 15 30 45 60 20002005201020152020
Samoa's electricity generation from hydro each year from 2000 to 2024, in GWh. It was 30.0 GWh in 2024.
Annual statistics through 2024, GWh
Samoa hydro electricity generation, 2000 to 2024
YearHydro
200040.0 GWh
200150.0 GWh
200260.0 GWh
200350.0 GWh
200450.0 GWh
200550.0 GWh
200650.0 GWh
200750.0 GWh
200850.0 GWh
200950.0 GWh
201050.0 GWh
201150.0 GWh
201240.0 GWh
201330.0 GWh
201430.0 GWh
201530.0 GWh
201630.0 GWh
201730.0 GWh
201840.0 GWh
201950.0 GWh
202050.0 GWh
202150.0 GWh
202240.0 GWh
202330.0 GWh
202430.0 GWh
Share of Samoa's electricity from hydro and the world share, 2000 to 2024 The share of Samoa's electricity generated from hydro, 2000 to 2024, compared with the world share. In 2024 it was 18.8%, against 14.4% worldwide. 0 15 30 45 60 20002005201020152020
The share of Samoa's electricity generated from hydro, 2000 to 2024, compared with the world share. In 2024 it was 18.8%, against 14.4% worldwide.
Annual statistics through 2024, % of generation
Share of Samoa's electricity from hydro and the world share, 2000 to 2024
YearSamoaWorld
200050.0%17.2%
200150.0%16.5%
200254.5%16.3%
200350.0%15.7%
200445.5%16.1%
200545.5%16.1%
200641.7%16.0%
200741.7%15.5%
200845.5%16.1%
200938.5%16.3%
201041.7%16.1%
201138.5%15.9%
201236.4%16.3%
201325.0%16.4%
201423.1%16.3%
201523.1%16.2%
201620.0%16.3%
201718.8%16.0%
201826.7%15.8%
201929.4%15.8%
202027.8%16.3%
202129.4%15.2%
202225.0%15.0%
202320.0%14.3%
202418.8%14.4%
YearGenerationShareWorld shareCapacity
2024 30.0 GWh 18.8% 14.4% 20 MW
2023 30.0 GWh 20.0% 14.3% 20 MW
2022 40.0 GWh 25.0% 15.0% 20 MW
2021 50.0 GWh 29.4% 15.2% 10 MW
2020 50.0 GWh 27.8% 16.3% 10 MW
2019 50.0 GWh 29.4% 15.8% 10 MW
2018 40.0 GWh 26.7% 15.8% 10 MW
2017 30.0 GWh 18.8% 16.0% 10 MW
2016 30.0 GWh 20.0% 16.3% 0 GW
2015 30.0 GWh 23.1% 16.2% 0 GW

Full year by year history for Samoa

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2024. World shares are Ember's World totals; ranks compare each country's latest year, which can differ between countries.