In
December
2010,
the
offshore
industry
passed
a
critical
milestone
when
OPW
—
a
consortium
of
Dutch
pension-fund
service
provider
PGGM
and
Ampere
Equity
Fund
—
bought
a
24.8%
stake
in
the
367MW
Walney
project
from
Dong
Energy.
OPW
paid
£16m
($25.3m)
for
its
stake,
as
well
as
picking
up
a
pro-rata
share
of
construction
costs.
Dong
continues
to
own
a
50.1%
stake
in
Walney,
which
was
inaugurated
off
the
coast
of
Barrow-in-Furness,
northwest
England,
this
month.
Scottish
utility
SSE
holds
the
remaining
25.1%.
While
the
amount…