Can Australia help secure Tonga's outer island energy needs?
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.
How many people have access to electricity in Tonga?
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.
How can oirep help Tonga's remote island communities?
However, significant needs and opportunities exist to further expand renewable energy systems on outer islands. Less tangible, but also important is the role played by OIREP in consolidating Tonga’s social contract with remote island dwelling communities, by allowing for enhanced and more reliable access to electricity.
How did the oirep project impact Tonga?
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.
Why is electricity so expensive in Tonga?
This has contributed to the Tongan economy and electricity consumers being exposed to high and volatile electricity prices due to fluctuations in the price of oil internationally. 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).
Why did oirep work with Tonga Power Limited?
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.
Tonga
The storage facility played a key role in the days that followed the volcanic eruption of January (which was followed by an explosion and a tsunami) by avoiding an outage of the entire power grid. It also helped
Our Projects | Tonga Power Limited
Tonga Power Limited is currently undertaking renewable energy projects, network upgrade projects aswell as Battery Energy Storage projects which all contribute to ensuring Tonga
Tonga | ADB and the GCF
Nov 11, Installing three renewable-energy technologies—wind power, solar photovoltaic, and BESSs—in the relatively small grid will be another innovation. Tonga Power will gain
Australia s contribution to the multi-donor Tonga Outer
Jul 31, OIREP’s focus was installation of solar energy capabilities to nine outer islands of Tonga, with the aim of increasing the reliability, efficiency and affordability of power on these
Another solar-plus-storage system in Tonga
Mar 16, The inauguration ceremony for the solar-plus-storage unit. Image: Prime Minister’s Office of the Government of the Kingdom of Tonga. A solar-plus-storage project combining 300kW of PV and a 2MWh battery
TONGA RENEWABLE ENERGY
Oct 6, Key lessons from the Tonga Renewable Energy Project for the Pacific Modernised SCADA and control systems are critical when renewable energy contribution approaches 30%.
Tonga Independent Shared Energy Storage Project:
Mar 27, Breaking Down the Blueprint Solar + Wind + Storage = Energy Independence: Combining 15MW solar arrays with 8MW wind turbines – because why choose between sun
Energy storage system components Tonga
Feb 26, A special event today marks the official opening of Tonga''s first ever large-scale Battery Energy Storage Systems (BESS) by the Prime Minister Hon. Hu''akavameiliku.The two
Solar mini-grids power up remote Tongan
Jul 10, 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 on expensive
Battery Energy Storage Systems | Tonga
Battery Energy Storage Systems are a vital component to reaching Tonga’s 50% Renewable Energy target by end of year . Battery Energy storage systems will be able to store renewable energy generated from our
Tonga
The storage facility played a key role in the days that followed the volcanic eruption of January (which was followed by an explosion and a tsunami) by avoiding an outage of the entire
Another solar-plus-storage system in Tonga commissioned
Mar 16, The inauguration ceremony for the solar-plus-storage unit. Image: Prime Minister’s Office of the Government of the Kingdom of Tonga. A solar-plus-storage project combining
Solar mini-grids power up remote Tongan islands
Jul 10, 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
Battery Energy Storage Systems | Tonga Power Limited
Battery Energy Storage Systems are a vital component to reaching Tonga’s 50% Renewable Energy target by end of year . Battery Energy storage systems will be able to store
Tonga
The storage facility played a key role in the days that followed the volcanic eruption of January (which was followed by an explosion and a tsunami) by avoiding an outage of the entire
Battery Energy Storage Systems | Tonga Power Limited
Battery Energy Storage Systems are a vital component to reaching Tonga’s 50% Renewable Energy target by end of year . Battery Energy storage systems will be able to store

Solar Energy Discussion
Share your thoughts on solar power and energy storage solutions.