The
utility
will
invest
about
$150m
to
do
the
conversions,
with
commercial
operations
using
biomass
targeted
to
begin
in
early
2013.
The
fuel
switch
would
cut
emissions
of
mercury,
nitrous
oxide,sulfur
dioxide
and
particulate
emissions,
and
all
of
the
plants
would
meet
stringent
new
emissions
standards
set
by
the
US
Environmental
Protection
Agency.
Each
of
the
three
plants
can
now
produce
63MW
of
electricity
at
peak
output
when
demand
is
highest,
but
normally
operate
at
less
capacity.
One
of
the
plants
is
off
line
as
a
reserve
unit.
After
the
conversions,
each…
