Renewable Energy Consumption: Tonga

Analysis# Tonga Renewable Energy Consumption Tonga's renewable energy consumption reached 2.3% of total energy in 2022, representing a 64.3% increase since 1990. The nation peaked at 2.7% in 2001 but has remained well below that mark for over two decades. Current levels sit just above the all-time low of 1% recorded in 1999, indicating Tonga has recovered from its mid-1990s energy crisis but faces ongoing challenges in scaling renewable adoption. Recent years show modest gains. After hovering near 1.8% from 2016 to 2021, renewable consumption jumped to 2.3% in 2022—the highest level since 2001. This upward trajectory suggests growing renewable energy integration, likely driven by solar and wind projects. Sustained momentum beyond 2022 would be needed to reverse decades of stagnation and approach the nation's renewable capacity potential.