The Vanuatu Utilities and Infrastructure Limited (VUI) has been the electricity service provider in Santo since 2010 when it was awarded a Memorandum of Understanding Agreement (MOU) to generate and supply electricity in Santo.
In June 2019, resulting from the Vanuatu Government tender process, VUI won the tender bid and is awarded a 20-year contract in being the Electricity Concessionaire for the islands of Santo, Vanua Lava, Ambae, and Maewo electricity grids.
Electricity Tariff Review
The Authority undertook the tariff review and approved the maximum price for the operator to apply to its customers.
The customer category tariffs are a uniform base tariff of 52.32 Vatu/kWh, the customer's chargers are applied by VUI to the customer categories as follows:
| VUI Customer Categories | Charges | Unit | New Tariff (Vatu/kWh) | New Billing Coefficients (for 30 days billing period) |
| Low Voltage | Unit Charge per kWh | |||
| Up to 60 kWh | Vatu/kWh | 36.19 | 0.69 | |
| 61-120 kWh | Vatu/kWh | 51.15 | 0.98 | |
| Over 120 kWh | Vatu/kWh | 71.00 | 1.36 | |
| High Voltage | Unit Charge per kWh | Vatu/kWh | 65.00 | 1.24 |
| Monthly Fixed Charge | Vatu per kVA | 1,216 | ||
Determination of Maximum Price of Electricity for VUI and Outer Islands Service Areas - October 2022
Electricity Tariff Review - November 2021
Maximum Price of Electricity for VUI's Maewo Service Area - October 2020
Adjusting VUI Limited's Electricity Tariff for Santo & Outer Islands Service Areas