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Tonga Energy Statistics (2026)

1980

2024

Source: U.S. Energy Information Administration · Updated March 2026

1980

2024

What to know

Electricity generation was 74.0 million kWh a year. The power mix was heavily fossil fuel-dependent, with renewables at 12% of electricity generation.

Key statistics for 2024

Electricity Generation

74 M kWh

Petroleum Consumption

1.5 k bbl/day

Key terms

CO2 Emissions: — Carbon dioxide released from burning fossil fuels and industrial processes, measured in million metric tonnes.
Energy Intensity: — Energy consumed per unit of GDP; lower values indicate a more energy-efficient economy.
Installed Capacity: — Maximum electric output that generators can produce, measured in million kilowatts (GW).
Net Generation: — Total electricity produced minus the energy used to operate power plants.
Net Imports: — Electricity imported minus electricity exported. Negative values indicate a net exporter.
Renewables: — Electricity from naturally replenishing sources: hydro, solar, wind, geothermal, and biomass.

Energy Overview

Electricity

Electricity generation was 74.0 million kWh, with consumption at 67.9 million kWh in 2024.

Petroleum

Petroleum consumption was 1.5 thousand barrels per day in 2024.

Renewables & Nuclear: Net Generation

Renewable energy accounted for a small share of electricity generation at 12% in 2024.

Renewables & Nuclear: Installed Capacity

The bottom line

Tonga's power mix was heavily dependent on fossil fuels.