What is the difference in installed solar energy capacity between Guinea-Bissau and Sao Tome and Principe?

0.001 gigawatts, with Guinea-Bissau ahead.

How many years of comparable data are there for Guinea-Bissau and Sao Tome and Principe?

10 years are reported by both, from 2016 to 2025.

Where does this data come from?

IRENA (2026) – processed by Our World in Data, published as Installed solar energy capacity. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Guinea-Bissau vs Sao Tome and Principe: Installed solar energy capacity

Guinea-Bissau

0.0027 gigawatts

in 2025

Sao Tome and Principe

0.0017 gigawatts

in 2025

Guinea-Bissau rank

203rd

Sao Tome and Principe rank

205th

Installed solar energy capacity over time

Guinea-Bissau
Sao Tome and Principe

How they compare

Guinea-Bissau currently reports 0.0027 gigawatts against 0.0017 gigawatts in Sao Tome and Principe, a difference of 0.001 gigawatts.

That makes Guinea-Bissau's figure about 1.6 times Sao Tome and Principe's.

Across all 10 years both countries report, Guinea-Bissau has been ahead every year.

Guinea-Bissau ranks 203rd and Sao Tome and Principe ranks 205th of 218 countries.

Guinea-Bissau has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	Guinea-Bissau	Sao Tome and Principe	Difference	Ahead
2010s	0.0013 gigawatts	0.0003 gigawatts	0.001 gigawatts	Guinea-Bissau
2020s	0.0022 gigawatts	0.0005 gigawatts	0.0016 gigawatts	Guinea-Bissau

Averages of every year both report within each decade.

Frequently asked questions

Which has higher installed solar energy capacity, Guinea-Bissau or Sao Tome and Principe?: Guinea-Bissau, at 0.0027 gigawatts against 0.0017 gigawatts in Sao Tome and Principe as of 2025.
What is the difference in installed solar energy capacity between Guinea-Bissau and Sao Tome and Principe?: 0.001 gigawatts, with Guinea-Bissau ahead.
How many years of comparable data are there for Guinea-Bissau and Sao Tome and Principe?: 10 years are reported by both, from 2016 to 2025.
How do Guinea-Bissau and Sao Tome and Principe rank globally for installed solar energy capacity?: Guinea-Bissau ranks 203rd and Sao Tome and Principe ranks 205th of 218 countries.
Where does this data come from?: IRENA (2026) – processed by Our World in Data, published as Installed solar energy capacity. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea-Bissau vs Sao Tome and Principe: Installed solar energy capacity. Statizoid, drawing on IRENA (2026) – processed by Our World in Data. Retrieved 30 September 2026, from https://energy.statizoid.com/compare/installed-solar-pv-capacity/guinea-bissau/sao-tome-and-principe/

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About this data

Indicator: Installed solar energy capacity
Unit: gigawatts
Source: IRENA (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 218 places, 4,162 data points, 2000–2025
Last refreshed: 18 September 2026

Total solar (on- and off-grid) electricity installed capacity, measured in gigawatts. This includes solar photovoltaic and concentrated solar power.