About Tonga Power Limited

Who We Are?

Tonga Power Limited is a 100% state owned enterprise providing reliable, safe and affordable electricity as its core service around Tonga. TPL was established in July 2008 to act as the concessionaire in Tonga’s concession based electricity regulation regime.  TPL generates, distributes, and sells to all our commercial and domestic customers in Tongatapu, Vavaú, Haápai and Éua.
 
Tonga Power’s core purpose is to, “Reduce Tonga’s vulnerability to oil price shocks, and achieve an increase in quality access to modern energy services in an environmentally sustainable manner” via its strategies and Business Plan and to be financially sustainable. As a state owned enterprise TPL continues to deliver the Government of Tonga’s vision for the energy sector to, “reduce Tonga’s vulnerability to oil price shocks, and achieve an increase in quality access to modern energy services in an environmentally sustainable manner”.
 
Company Facts
TPL has been an electricity provider since 2008. We serve approximately 21,000 customers of which 3,963 are commercial customers. Our emergency response service is available 24/7. Crew work 24 hours per day during emergencies.
 
We operate four regional offices in Tonga. Office hours are from 8:00 AM to 5:00 PM, Monday through to Friday. Currently, we have 193 full time highly skilled employees, a combination of local and international employees.
 
Our vision is to provide safe, reliable and affordable service to the people of Tonga. TPL values people and the environment, Tonga Power run the business as if it`s our own, think differently, deliver swiftly
and capture the value, and strive to succeed as a team and as an individual.
 
Key Imperatives
Our main obligations are to maintain the reputation of TPL, provide quality services by carrying out our duties with the best practice. TPL continues to make an effort to provide customers with multiple tariffs to offer low cost prices for low-consumption users and maximize shareholder value.
 
Generation
Tongatapu  Diesel Generation with a capacity of 13.8 MW generating at 11kV. As of March 2015, TPL had installed firm gererating capacity of 16.5 MW in all 4 Islands and a 1.4 MW Solar Plant.
   
2014 1.4 MW Solar Plant (Ma'ama Mai)
2015  1 MW Solar Facility (Mata 'oe La'a)
   
Vava'u Diesel Generation with a capacity of 1.872 MW generating at 415 volts.
   
Ha'apai Diesel Generation with a capacity of 0.4 MW generating at 415 volts.
   
Eua Diesel Generation with a capacity of 0.4 MW generating at 415 volts.
   
 
Network
Tongatapu 11kV distribution standard. The low voltage network operates at a three/single phase standard of 415/240V. There are 187 km of overhead line, 12 km of underground cables, 1 km of submarine cable and 452 km of low voltage lines (single and three phase).  
  Customer numbers: Domestic - 12, 277
    Commercial - 3,037
     
Vava'u 6.6kV distribution standard. The low voltage network operates at a three/single phase standard of 415/240V. There are 167 km of overhead line, (2 km of underground cables) 95 km of low voltage lines (single and three phase). 
   Customer number: Domestic - 2,344
    Commercial - 863
     
Ha'apai 6.6kV distribution standard. The low voltage network operates at a three/single phase standard of 415/240V. There are 26 km of overhead lines and 32 km of low voltage lines (single and three phase). 
  Customer numbers: Domestic - 757
    Commercial - 211
     
'Eua 6.6kV distribution standard. The low voltage network operates at a three/single phase standard of 415/240V. There are 56 km of overhead line, and 42 km of low voltage lines (single and three phase). 
  Customer numbers:  Domestic - 937
    Commerical - 90

Our Principle

TPL values people and the environment, Tonga Power run the business as if it`s our own, think differently, deliver swiftly and capture the value, and strive to succeed as a team and as an individual.