Following captures noted announcement on tarriff adjustments effective 1st March 2019.
The graph below shows how Tonga Power Limited (TPL) was holding its tariff since 2017 to February 2019, whilst diesel fluctuates over the same period.
Source: Tonga Power Limited
The following captures the Tuvalu Electricity Corporation (TEC) annual electricity statistics from 2014 to 2017
The PNG wind dataset is extracted from the 3TIER Global Wind Dataset, IRENA Global Atlas for Renewable Energy.
3TIER Global Wind Dataset can be downloaded from this link: https://irena.masdar.ac.ae/?map=324
Work is part of the SOPAC Regional assitance to the countries on wind advisory.
Graph from OurWorldInData
A snapshot of e-waste information (2012) for Nauru as cited on the 'Step E-waste' online portal