Australia also has a long history of engagement in relation to helping secure Tonga’s outer island energy needs. In the early 2000s, Australia funded the Ha’apai Outer Islands Electrification project (HOIEP), which involved the installation of diesel-powered generators and electrical reticulation on four islands in the Ha’apai group.
This means that little more than 30,000 people are spread across 35 islands, presenting acute issues in terms of the provision of modern infrastructure. At OIREP commencement, the ADB estimated that 89% of all households across Tonga had access to electricity.
The project achieved its proposed impact, in terms of helping Tonga reduce its dependence on imported fossil fuel for power generation with OIREP assets estimated to have reduced diesel usage by 0.5 million litres annually. Central to the project outcome was the provision of on-grid and off-grid generation solar power at reduced cost.
According to UK-based aggregate website Cable, Tonga''s electricity is the 13th most expensive in the world, at an average cost of USD 0.35 per kilowatt hour (kWh).
Our BESS energy storage systems and photovoltaic foldable container solutions are engineered for reliability, safety, and efficient deployment. All systems include comprehensive monitoring and control systems with remote management capabilities.
The system, part of the Tonga Renewable Energy Project (TREP), delivers 73.08kWp of solar energy, supported by a 1,313.28kWh battery storage system and a modern …
OIREP’s proposed impact was to reduce Tonga''s dependence on imported fossil fuel for electricity generation. Its primary outcome was the provision of on-grid and off-grid …
The ADB worked with Tonga on the development of a hybrid minigrid on Vava’u in 2023, including a 0.3 MW solar generation system and a 1 MW/2 MWh battery energy storage …
Our Projects Solar Power Construction and installation of solar power systems with a total capacity of 1.32 MWp on 9 outer islands of Tonga. On-grid: connecting solar photovoltaic …
The solar PV system is part of a 1.25 MW portfolio,where power will be sold to the island''s villagers through pre-paid net metering. The Asian Development Bank,with the help of other …
The programme has introduced solar-battery hybrid mini-grids to several of Tonga’s most isolated islands. A milestone was recently achieved on the northern island of …
Learn how local solar manufacturing aligns with the Tonga Energy Road Map. A strategic opportunity to boost energy security, create jobs, and build resilience.
A village in Gujarat state of India found that solar mini-grids with a battery at $0.380 per kWh were relatively much more expensive than the central grid, that could offer power at …
The ADB worked with Tonga on the development of a hybrid minigrid on Vava’u in 2023, including a 0.3 MW solar generation system …
Over the past 6 months, we have been working on a pro bono engagement with Tonga Power Ltd (TPL) to help them build an open …
The programme has introduced solar-battery hybrid mini-grids to several of Tonga’s most isolated islands. A milestone was recently …
Over the past 6 months, we have been working on a pro bono engagement with Tonga Power Ltd (TPL) to help them build an open source power system model for the …
Why Tonga''s Solar Energy Model Matters for Island Nations Imagine a nation where sunshine isn''t just a weather condition but a national treasure. Tonga''s solar power supply system has …
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