Energy-efficiency measures
The primary short-term focus is on energy-efficiency measures,
since they can be implemented quickly and produce measurable
reductions. We have continued with the internal energyefficiency programme to save a billion kilowatt-hours. We also
work with our consumers to reduce their demand through our
demand-side management programme. The short-term target
for this nationwide programme is to save 3 000MW by 2012 and
8 000MW by 2025. In reality this equates to about two of our
large coal-fired power stations.
Adaptation to the negative impacts of climate change
We accept that global initiatives to reduce CO2 emissions will
take many decades. As such the negative impacts of climate
change will become a reality to which we must adapt in
order to sustain our business. Adaptation risks in South Africa
include an increased number and severity of droughts and
floods, human settlement and thus infrastructure movements.
Short-term adaptation measures include dry-cooling in our
new power stations, which can reduce water consumption
by approximately 90%. The trade-off is an efficiency loss and,
as a result, an increase in CO2 emissions. Medium- to longterm
considerations include improving the resilience of our
infrastructure and staff, by incorporating adaptation issues into
long-term planning and risk mitigation strategies. Over the next
year we will develop our adaptation strategy. This will be done
with input from local and international experts.
Innovation through research, demonstration and
development
Research is the key platform for the development and
deployment of new carbon-reducing technologies that
will result in reductions in greenhouse gas emissions in
the long term. Eskom has a proud record of cuttingedge
research and development. A number of years ago,
we anticipated the need for lower carbon technologies
suited to South African conditions. We then initiated
projects capitalising on our inherent strengths, building
local capacity and associated industries optimised for local
conditions. Eskom has and is participating in a number of
exciting pilot projects that will achieve this aim:
- an underground coal gasification pilot study that can
improve efficiency, reduce environmental impacts and
possibly provide a mechanism for the sequestration
of CO2
- a “System Johansson” gasifier biomass pilot for smallscale
applications
- a 100MW concentrating solar thermal plant which
may overcome the barrier of intermittency and
generate a local industry
- hosting the development plant for the pebble-bed
modular reactor project, which incorporates modular
nuclear technology
Concentrating solar power research
If feasibility studies provide satisfactory results in assessing
the new technology, we will establish a 100MW pilot
concentrating solar power (CSP) plant in the Northern
Cape Province. An environmental impact assessment was
completed and a positive environmental authorisation
obtained from the Department of Environmental Affairs
and Tourism in September 2007, while the project feasibility
assessment was finalised in November last year.

The technology has the potential to be used as a peaking,
mid-merit or baseload plant and therefore has significant
potential to be expanded as a renewable energy source in
our generation mix. |
We are developing technology road maps to underpin these
technology choices – the coal roadmap has been completed.
Roadmaps on other clean technologies are also being developed
to guide our research and optimise our resources.
Investment through carbon market mechanisms
We support the carbon market and we are keen to see policy
certainty after 2012 for a long-term global carbon market. The
carbon market is an essential mechanism to level the playing
field by making technologies more accessible and, in turn,
inviting sustainable investment into developing countries. We are
participating in the clean development mechanism (CDM) (refer
here) and view it as a good vehicle to bridge some of the cost
gaps, as well as for the wide-scale deployment of low carbonemitting
technologies. We are also investigating the application of
programmatic CDM in our demand-side management portfolio.
This allows for a programme of activities to be registered, in
this way reducing costs and time taken for approval. The credits
obtained from these DSM activities will be earmarked for further
DSM activities, continuing to promote energy efficiency.
Eskom uses a shadow price for carbon to evaluate all investment
decisions. Over the next year we will be peer-reviewing our
post-2012 strategy. This details different scenarios of the future
climate change regime and provides valuable insight into how our
climate change strategy should evolve.

At no other time in recent memory has the electricity
utilities industry faced such tremendous challenges. Balancing
a social mandate to extend and enhance access of power
to marginal and rural communities while at the same time
wage a business savvy fight against climate change is no easy
feat. Furthermore, nobody would argue against the fact that
electricity is the lifeblood of economic growth and yet almost
all of us would also agree that this essential service can no
longer be produced and consumed in the same way as it has
been for the last century.
So, what’s the good news? Eskom has been a driver of cuttingedge
thinking on these challenges while moving the debates
into the business opportunity space. As a member of the
World Business Council for Sustainable Development, a
business coalition of some 200 leading companies that share a
commitment to the principles of sustainable development via
economic growth, ecological balance and social progress, they
have joined forces with 10 other electricity utility companies
and developed a concrete understanding of the sustainability
challenge facing the sector while identifying urgent needs
required to power the 21st century.
Bjorn Stigson is the president of the World Business Council for Sustainable
Development. |
Progress through advocacy, partnerships and collaboration
Our response to climate change supports government’s activities.
We are active members of the National Committee on Climate
Change (NCCC) and participate in the long-term mitigation
scenario process. Internationally, Eskom interfaces with leading
global organisations that address aspects such as emissions
trading, policy directions, post-2012 scenarios, ground-breaking
research and business collaboration.
Organisations include the World Business Council for Sustainable
Development (WBCSD), the International Emissions Trading
Association (IETA), Combating Climate Change (3C), the Global
Roundtable on Climate Change (GROCC), Carbon Sequestration
Leadership Forum (CSLF), Coal Industry Advisory Board (CIAB),
Electric Power Research Institute (EPRI), International Energy
Agency (IEA), the International Chamber of Commerce (ICC) and
the World Economic Forum (WEF).
We are confident that we have made and will continue to make
significant progress in meeting the challenge of climate change.
Opportunities and risks have been identified and are being
managed pro-actively.
We are also currently developing a “climate change intent”, which
will set some key parameters for our aspiration to reduce our
relative CO2 emissions until 2025, and thereafter continually
reduce emissions in absolute terms. These parameters will be in
support of national and global efforts in this area.
Stakeholder comment
How does a coal-based electricity utility plan for a carbonconstrained
future? Clearly, with electricity supply accounting
for about 40% of South Africa’s emissions, the challenge of
mitigation cannot be met without Eskom – but addressing
electricity alone will not be enough.
Planning should take seriously the information from the longterm
mitigation scenarios (LTMS). How should Eskom set
clear targets to reduce GHG emissions, monitor progress
and report publicly? What will change when there is a price
on carbon?
LTMS identified wedges in three broad categories for the
electricity sector – renewables, nuclear and cleaner coal.
With significant public investment in R&D and demonstration
going into the latter two, significantly greater effort will be
needed on renewables.
That needs to start right now, with significant
investment in options like solar, wind and other
technologies. Five years from now, we should have
the choice whether the next power plant should
be a coal-fired “six-pack” or from renewables.
Research should investigate the institutional
arrangements, human capacity development, risk
sharing, distributed generation systems and storage
options. Solar thermal electricity deserves particular
attention, notably concentrating solar plant (CSP)
with 60% plus availability – investigating the feasibility
and bankability of CSP projects.
In its research process, Eskom needs to shift from
its culture of insisting that research results are
confidential, to greater transparency, publishing
results and opening them to independent peer
review.
Climate change is a long-term challenge that
needs urgent action, now. Research and development
must help Eskom face the challenge of charting a
path to a low- or zero-carbon electricity sector.

Harald Winkler is Associate
Professor at the Energy
Research
Centre, UCT.
He comments in his individual capacity. |
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