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.
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).
OIREP's on-grid work was always a matter of laying the foundations for further investment in renewables and enjoyed the ease of working through one implementing partner – Tonga Power Limited – who were incentivised to help ensure the program succeeded given they will manage all on-grid assets post-project.
This collaboration seeks to address key challenges within the existing energy management system (EMS) and micro-grid systems (MGS), ensuring the efficient integration of renewable energy sources
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The Importance of Smart Grid Integration Tonga Tonga''s geography, comprised of numerous islands with remote areas, creates distinct challenges for energy distribution. A stable, adaptable energy
The Energy Department of the Ministry of Meteorology, Energy, Information, Disaster Management, Environment, Climate Change and Communications (MEIDECC) and Tonga Power
Tonga Energy Background Current energy grids: Tongatapu, Vava''u, Ha''apai, Eua, and Niua Toputapu (recently turned to solar): powered by diesel generators Solo provider: Tonga Power
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Tonga is making tangible progress toward its renewable energy targets with the rollout of solar-powered mini-grid systems across its outer islands, in a bold move to reduce its dependence
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