First
Solar,
which
developed
the
project
and
is
building
it
for
NRG
Energy
and
MidAmerican
Solar,
will
eventually
install
290MW
in
the
desert
of
Yuma
County.
The
work
is
due
to
be
completed
in
2014.
The
project
is
backed
by
a
$967m
loan
guarantee
from
the
US
Department
of
Energy.
First
Solar
acquired
Agua
Caliente
when
it
purchased
NextLight
Renewable
Power
in
2010.
NRG
Solar
bought
the
project
later
that
year.
Last
year,
billionaire
investor
Warren
Buffett’s
MidAmerican
Energy
Holdings
bought
a
49%
stake
in
the
project
from
NRG.
Output…
