ANNUAL REPORT 2011 - DONG Energy

Waste is a valuable resource
It is well known that household waste can be burned and
thus generate energy. DONG Energy and its partners have
developed brand-new technology that converts waste into
energy more cost-effectively, more flexibly and more efficiently
than combustion.
DONG Energy has called this technology REnescience.
Household waste directly from refuse trucks is treated
with enzymes and becomes a liquid for energy purposes
that can be converted into biogas and a solid fraction that
can be used directly to generate electricity and heat.
offshore wind farm, it is essential to keep to schedules so
that the capital invested can start to be repaid as soon as
possible.
wind power challenges power stations
In 2015, half of DONG Energy’s electricity generation capacity
will be CO -free or CO -neutral, as electricity from
2 2
wind and hydro is expected to account for 36% of total capacity,
while biomass will account for 17%. Gas will account
for 30%, while electricity generation capacity from
coal and oil will have been reduced to 17%.
DONG Energy works concertedly to select and develop
new offshore wind turbine projects. It is essential to have a
large pipeline to enable us to meet our objective of continuously
increasing the proportion of electricity generation
from renewable energy sources. On top of its 1,025 MW of
wind capacity at the end of 2011, DONG Energy has made
Metal and glass are also separated in the process for recycling,
as well as nutrients that can be used for fertiliser
in agriculture.
“At DONG Energy, we see waste as a valuable resource
and, with REnescience, we make much more intelligent
use of waste than with other methods. We have developed
the process from the laboratory to the demonstration
stage. Now we will make REnescience part of our business,”
says Manager Nanna Dreyer Nørholm, New Bio
Solutions.
final investment decisions regarding the construction of
around 1,500 MW additional wind turbines, some of which
are expected to be built together with partners thus reducing
DONG Energy’s share (see figure on page 21).
The fast-increasing volume of electricity from wind turbines
in the Danish grid sets the Danish power stations
completely new challenges. The power stations will play a
different role in a future in which much more wind power is
available as there will still be a need to balance electricity
generation. DONG Energy is continuously striving to become
more efficient at flexible, market-aligned operation
of its power stations.
DONG ENERGY DONG ENERGY GROUP ANNUAL REPORT 2011 – manaGEmEnt’s rEviEw 11