At some later point the power source was changed to the mains electricity.
It was connected to mains electricity in 1965, and then to solar power recently.
Facilities are basic - only one has mains electricity - although all have a toilet and cold water.
The power source is a battery charged from the mains electricity.
In every case there is mains electricity & a good water supply.
Even the capital does not have regular mains electricity and running water.
The station, seven miles from the nearest road, has no mains electricity.
Two-thirds of the world, after all, is not yet connected to mains electricity.
The capital remains without mains electricity and running water.
You would be amazed at how much stuff is useless without mains electricity.