The Albufeira plant will be the first in mainland Portugal, but the first desalination plant was in Porto Santo, Madeira, opened in 1980 and managed by Águas e Residuos da Madeira (ARM).
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Madeira Islands drinking tap water comes from underground springs in the mountains and always has a constant supply due to the high mountains where there's enough rain throughout the year. Even though at sea level it rarely rains and its always summer all year round.
ELECTRICITY AND WATERThe electric current in the archipelago is 220 volts. There is plenty of water in Madeira and it is all drinkable and of excellent quality. Porto Santo uses desalinated water, which is perfectly safe to drink.
The electric grid in Madeira island is fed by five sources of energy, namely: hydro, wind, photovoltaic, solid waste incineration, and thermal energy from burning fossil fuels like diesel and natural gas.