Country snapshot · Central Africa
São Tomé and Príncipe
Solar added each year
Ember estimates of all solar (utility-scale, distributed and off-grid), MW. 2026 is Ember’s full-year estimate.
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| Year | MW | Basis |
|---|---|---|
| 2023 | 1.3 | Ember estimate |
| 2024 | 0.6 | Ember estimate |
| 2025 | 0.2 | Ember estimate |
| 2026E | 0.6 | Ember estimate, full year |
0.0% of Africa’s estimated 2026 solar additions (0.6 of 17,449.4 MW).1
Who has electricity
Share of people with access to electricity, 2024: rural and urban.
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| Area | Access | Year |
|---|---|---|
| Rural | 75.1% | 2024 |
| Urban | 78.9% | 2024 |
| National | 77.7% | 2024 |
World Bank WDI, 2024.2
How reliable is the grid for business?
Firms experiencing electrical outages (2025 survey), compared with Sub-Saharan Africa and the world.3,4N6
75.7% (2025 survey) · Sub-Saharan Africa 72.4% · World 47.5% (2025)
The rules for small-scale generationN7
Export rules: Partial
- Regulator
- AGER
- Main utility
- EMAE
Export rulesDecree-Law 26/2014 recognises self-producers delivering surplus to the grid; no net-metering or tariff mechanism found.5Medium confidenceShow detail
DL 26/2014 recognises self-producers delivering surplus to the grid and makes breach of surplus-purchase rules an offence; no net-metering/FiT tariff mechanism found. DL 1/2020 sets special transitional regime for RE IPP purchase by EMAE (single seller)
How exports are creditedNone found; renewable IPPs contract PPAs freely with EMAE (DL 1/2020).5Medium confidenceShow detail
None found (DL 1/2020: parties may freely contract PPAs with EMAE)
Size limits and licensingSelf-consumption below 7.5 kVA excluded; isolated systems below 150 kVA.5High confidenceShow detail
Self-consumption <7.5 kVA excluded from decree; off-grid own-use units >7.5 kVA need authorisation; isolated-locality systems <150 kVA; >30 MW reserved to Government
Mini-grid rulesNo dedicated regulation; DL 26/2014 licenses isolated grids.5Medium confidenceShow detail
No dedicated mini-grid regulation; DL 26/2014 licences autonomous grids/distribution in geographically isolated localities
Market access beyond the utilityIndependent and self-production licensed by government.5High confidenceShow detail
Independent production and self-production licensed by Government after regulator consultation (DL 26/2014 Art. 43(2)); DL 1/2020 RE IPP special regime with simplified licence verified by AGER
Aggregation / VPP rulesNone foundShow detail
None found
“None found” means we could not locate a rule in public sources reviewed to 10 October 2026, not that one cannot exist.
Recent developmentsN2
Dated developments, 2024–2026.
No 2024–2026 development verified in the sources reviewed.
The full report
This is a snapshot. The full story is in Africa’s Invisible Grid.
The full analysis, with 17 exhibits on the boom, the data gap, the economics and the four building blocks, is in Africa’s Invisible Grid.
