From Tonga to Cook Islands
All plugs match
When travelling from Tonga to Cook Islands: Good news: all your Tonga plug types fit in Cook Islands. Voltage matches at 240V. Frequency is the same at 50Hz.
Tonga
Cook IslandsYour plugs
Type I
Fits
Accepted in Cook Islands
Type I
1 of 1 plug type(s) match
You: I • Cook Islands: I
Voltage: 240V → 240V
Same voltage
Frequency: 50Hz → 50Hz
Same frequency
You may not need an adapterAdapters you may need
Plugs, voltage and frequency line up for most chargers.
About electricity in Cook Islands
Cook Islands runs on 240V/50Hz with Type I sockets. NZ standard, reflecting the free-association relationship with New Zealand.
Grid & history
Te Aponga Uira supplies Rarotonga from diesel with significant solar additions.
Availability
Reliable on Rarotonga.
Sockets & hotels
Type I. NZ plugs fit.
Energy mix
Renewables30%
Fossil70%
Practical tips
- A New Zealand Type I adapter works directly.
- Voltage is 240V, the high end of the European range, and modern chargers handle it.
Frequently asked questions
- Will my Tonga plug work in Cook Islands?
- Yes. Every Tonga plug type (Type I) fits in Cook Islands sockets without an adapter.
- What plug type does Cook Islands use?
- Cook Islands uses Type I. The supply is 240V at 50Hz.
- Do I need a voltage converter for Cook Islands when travelling from Tonga?
- Cook Islands runs on 240V, the same as Tonga. Any charger that works at home will work there.
- Is the electrical frequency in Cook Islands the same as Tonga?
- Frequency in Cook Islands is 50Hz, the same as Tonga.