North Island
New Zealand facts & history in brief
New Zealand Map
Wairakei
is about ten km north of
Taupo, sits an active volcanic
fault that runs from White Island,
in the Bay of Plenty through
Rotorua, Taupo to Mount Ruapehu.
Wairakei's 'Geyser Valley' has
been a tourist attraction
since the 1880's.
Wairakei's geothermal station
was the second in the world
when it was opened in 1958.
The scheme is tapping the
underground water system that
is heated by very hot
volcanic rocks, deep
below the surface.
Drilling goes down to 600 metres,
to fissures in the lower rock
strata to obtain steam at
the highest pressures.
More than 100 bores have been
drilled, but not all produced
economic quantities of steam.
Now there are many similar plants
world-wide.
You can click on these photos for an enlargement.
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Wairakei |
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