Tonga Renewable Energy
Renewable energy consumption as % of total EG.FEC.RNEW.ZS
Tonga's renewable energy was 2.42% in 2025, ranked 57th globally. This represents a 5.2% increase from 2024. Data from World Bank, covering 1990–2025.
Overview
Tonga's renewable energy stood at 2.42% in 2025, a rise of +0.12% from 2022. Based on recent trends, this figure is projected to reach 2.42% by 2025. Tonga ranked 57th globally.
Tonga’s share of renewable energy in total electricity generation rose from 1.40 % in 1990 to a peak of 2.70 % in 2001, fell to a trough of 1.00 % in 2010, and has since climbed to 2.42 % in 2025, placing the kingdom 57th globally. The post‑peak recovery reflects modest expansion of solar and small‑scale hydro projects, yet the current level remains slightly below that of Seychelles (2.41 %) and well under the 2.92 % attained by Nauru. Over the 34‑year coverage period, the upward swing since the 2010 low indicates a gradual diversification away from diesel‑dependent generation, although the pace is constrained by limited grid capacity and high import costs for renewable equipment. Continued policy support, such as feed‑in tariffs and regional financing mechanisms, could accelerate deployment and push the share beyond the 2001 high, positioning Tonga more firmly within the Pacific’s emerging clean‑energy corridor.
Data & projection
| Year | Renewable Energy | YoY change | Rank |
|---|---|---|---|
| 2025* trend | 2.42% | - | - |
| 2025 | 2.42% | +0.12% | #57 |
| 2022 | 2.30% | +0.50% | #56 |
| 2021 | 1.80% | −0.10% | #178 |
| 2020 | 1.90% | +0.10% | #178 |
| 2019 | 1.80% | +0.00% | #179 |
| 2018 | 1.80% | −0.20% | #179 |
| 2017 | 2.00% | +0.00% | #175 |
| 2016 | 2.00% | +0.10% | #175 |
| 2015 | 1.90% | +0.20% | #177 |
| 2014 | 1.70% | +0.10% | #174 |
| 2013 | 1.60% | +0.50% | #174 |
| 2012 | 1.10% | +0.00% | #181 |
| 2011 | 1.10% | +0.10% | #178 |
| 2010 | 1.00% | −0.80% | #179 |
| 2009 | 1.80% | −0.20% | #168 |
Detected Pattern
Analysis
Tonga matched the Fiscal Dominance Trap pattern in 2022. Historically, 72% of countries showing this pattern (278 out of 386) saw renewable energy improve within 24 months. View full analysis →
Frequently Asked Questions
Tonga's renewable energy was 2.42% in 2025. Ranked 57th globally. This represents a 5.2% increase from the previous year.
Tonga's renewable energy peaked at 2.70% in 2001.
The lowest renewable energy in Tonga was 1.00% in 1999.
Tonga ranks 57th globally in renewable energy as of 2025.
The World Bank indicator code is EG.FEC.RNEW.ZS. Data sourced from World Bank.
Tonga's renewable energy is projected to reach 2.42% by 2025 based on trend extrapolation.
The renewable energy of Tonga in 2025 was 2.42%. This ranks 57th in the world.
Cite this page
@misc{historysaid_tonga_renewable-energy,
title = {Tonga Renewable Energy},
url = {https://historysaid.com/tonga/renewable-energy/},
publisher = {HistorySaid},
year = {2026}
}