Saint Helena, Ascension and Tristan da Cunha power plugs and voltage
You will need a travel adapter
Saint Helena, Ascension and Tristan da Cunha uses Type G sockets at 230 V / 50 Hz. Pick the country you are travelling from to see exactly what you need.
- Plug types
- G 1 socket type in use
- Voltage
- 230 V High-voltage grid (220–240 V)
- Frequency
- 50 Hz 50 Hz — Europe, Asia, Africa, Oceania
- National standard
- BS 1363 Grid reliability: Good
Where your plug will also work
All countries →These countries use at least one of the same socket types as Saint Helena, Ascension and Tristan da Cunha, so an adapter bought for this trip often works there too.
What the sockets look like
Power in Saint Helena, Ascension and Tristan da Cunha
Saint Helena, Ascension and Tristan da Cunha are remote British territories in the South Atlantic supplied by small diesel power stations, with Saint Helena adding wind and solar since 2016. Each island runs its own isolated grid, so supplies are stable but expensive and sensitive to fuel deliveries.
Recommended gear
Adapters & converters →
EPICKA 75 W GaN universal travel adapter
One block that covers US, UK, EU and Australian sockets, with 75 W of USB-C charging — enough for a laptop without carrying its power brick.
- Plugs for US / UK / EU / AU sockets
- 3× USB-C (75 W total) + 2× USB-A
- Universal AC socket, fused, up to 2000 W
- About 250 g
It does not convert voltage. A 120 V appliance still gets 230 V in Europe, whatever adapter you use.
Best for: Phones, laptops, cameras, tablets and anything dual-voltage.
Check price on AmazonOn a budget? A single-purpose adapter for Saint Helena, Ascension and Tristan da Cunha sockets costs a fraction of the universal block — it does the same job, but only for this one socket type.
Fits UK, Ireland, UAE, Singapore, Malaysia, Hong Kong and Gulf sockets. Takes any two- or three-pin plug on the other side.
Check price on Amazon ↗As an Amazon Associate we earn from qualifying purchases. Links below are affiliate links — they cost you nothing extra and never change what we recommend.