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percent. (See Figure 2.)
“Wind turbines count for 27
percent of the LCOE and con-
tributed well to cost reduction,
but we know what we need
to do to get the last 10 per-
cent with the other levers, and
foundations’ share in LCOE is
still 18 percent” Møller said.
“We believe 40 percent cost
reduction is absolutely reason-
able on the foundation, includ-
Møller noted that the Nis-
sum Bredning site is not opti-
mum for the test of these new
foundations because it is a
very shallow site — between
2 and 6 meters of water. Jacket foundations are most suited to
“We decided to apply funding for doing the test anyway,
because we could see a lot of benefts in demonstrating some of
the elements of our foundation,” he said.
According to Møller, Siemens believes that monopiles are most
cost-effective for offshore projects up to a certain water depth —
though there is no fxed depth where one system is better than
the other because it depends on the environment, such as wave
height, wind, and soil conditions.
“We expect that larger turbines, maybe much larger than the
ones we have today, will have much better cost-out potential if
they are on jackets in the future; we have learned that this con-
cept seems to scale very well,” he said. “So that’s why we are
doing what we can to learn as much as possible on jackets even
though it’s a shallow site.”
Siemens expects to begin turbine installation next summer,
and commissioning is scheduled for 3Q17. à