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Nuclear power is gaining popularity among African countries. Wikimedia Commons


GHANA IS PLANNING ITS FIRST NUCLEAR ENERGY PLANT: WHAT’S BEHIND THE DECISION

Published: July 9, 2024 9:47am EDT
Seth Kofi Debrah, University of Ghana


AUTHOR

 1. Seth Kofi Debrah
    
    Professor, School of Nuclear and Allied Sciences, University of Ghana


DISCLOSURE STATEMENT

Seth Kofi Debrah is Chief Research Scientific Officer, Ghana Atomic Energy
Commission


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Ghana is considering bids from five companies for the construction of what would
be its first nuclear power plant. The companies are: France’s EDF, US-based
NuScale Power and Regnum Technology Group; China National Nuclear Corporation;
South Korea’s Kepco and its subsidiary Korea Hydro Nuclear Power Corporation;
and Russia’s Rosatom. The Conversation Africa’s Godfred Akoto Boafo interviewed
Seth Kofi Debrah, director, Nuclear Power Institute, Ghana Atomic Energy
Commission, on the pros and cons of adding nuclear power to the country’s power
mix, and why Ghana needs to diversify and identify new energy sources.


WHAT MAKES THE NUCLEAR OPTION ATTRACTIVE TO GHANA?

The country’s industrialisation ambitions, fuel constraints, limited resources,
climate conditions and international commitments to climate change mitigation
are among the factors driving Ghana to include nuclear power in the energy mix.

Nuclear power is available all year round, making it reliable. The nuclear power
plant is expected to operate as a baseload plant (the production facility used
to meet some or all of an area’s continuous energy demand), with a capacity
factor of about 92%. A conventional nuclear power plant typically operates for
92% of a calendar year as compared to 54% for natural gas power plants, 24% for
solar and 34% for wind power plants.

Demand for electricity is growing across the nation. Currently, 84% of the
population have access to electricity but may not be connected to the electrical
grid. This means the power is available in their area but they may be
unconnected due to personal circumstances.



Electricity demand is expected to grow rapidly on the back of electrification
projects planned by successive governments, like the rural electrification
project (which aims at supplying electricity to all communities with a
population of 500 or greater) and industrialisation initiatives (such as
developing the manufacturing, alumina and iron industries).

Another reason for choosing nuclear power is that Ghana sees it as a way of
supporting its industrial ambitions in the sub-region.

For example, Ghana aims to become a net exporter of electricity in the region
through the West African Power Pool, a specialised agency of the Economic
Community of West African States. It covers 14 of the 15 Ecowas countries and is
intended to supply them with reliable energy at a competitive cost.

According to the World Bank, the average electrification rate in west Africa is
about 42%, which means that almost half of the region’s population has no access
to electricity. Ghana has an 84% electrification rate.

Ghana believes nuclear power can help it achieve its industrial ambitions while
fighting climate change.

As a signatory to the Paris Agreement, Ghana has an international obligation to
reduce greenhouse gas. Nuclear power does not produce any of the greenhouse
gases.

Ghana’s electricity sector is dominated by thermal plants that use natural gas –
a fossil fuel. Fossil thermal plants make up 64% of the current energy mix. This
is an over-dependence on a single fuel source. Natural gas has competing uses in
different sectors, so there are frequent fuel shortages. And the price of
natural gas is set by international markets, which leads to price volatility.

Ghana has its own source of natural gas. But these reserves are expected to
start declining by 2028.


HOW DEPENDABLE IS THE COUNTRY’S CURRENT ENERGY MIX?

Ghana’s current energy mix is made up of 1,584MW installed capacity of hydro,
3,758MW of thermal power plants (mostly powered by natural gas) and 112MW of
solar generation. But the dependable capacity (the total amount of electricity
that the facility can produce and deliver to the power grid) of renewables is
non-existent since the source of their power generation is variable.

The dependable capacity of the energy mix of a country matters a great deal. The
energy mix must have strong baseload capacity (the minimum amount of electric
power needed to be supplied to the electrical grid at any given time) before
renewables are considered, to ensure reliability.

No industralised nation developed its economy based on variable generation of
electricity. They needed a reliable backbone that could be depended on at all
times. European countries used natural gas, coal, hydro or nuclear as their
baseload capacity and added on variable renewables.

If Ghana wants to exploit its natural resources and become an industrial giant,
it needs sustainable, reliable and affordable baseload electricity. That can be
found in a source like nuclear.

--------------------------------------------------------------------------------

Read more: Climate change will affect hydropower -- African countries must be
prepared

--------------------------------------------------------------------------------


WHAT’S THE GOVERNMENT’S CASE FOR NUCLEAR?

Ghana doesn’t have many other energy options. It has good sources of hydro but
most have already been exploited.

Potential small dams are being affected by climate change or variability and
illegal mining. And the economic justification for more small hydro plants is in
doubt.

Ghana started its nuclear power journey as far back as the early 1960s but the
idea was never realised. The nuclear power programme was restarted in 2007 under
former president John Agyekum Kufuor. The programme has followed the
International Atomic Energy Agency’s three-phase approach. Ghana is now at phase
2: vendor selection and site preparation.

The plant, which is expected to be constructed along the coast of the country,
is planned to come online in early 2030.

--------------------------------------------------------------------------------

Read more: Ghana's electricity crisis is holding the country back - how it got
here

--------------------------------------------------------------------------------


GIVEN GHANA’S FINANCIAL CONSTRAINTS, IS NUCLEAR POWER A GOOD IDEA?

Nuclear power plants have proven to be among the cheapest sources of electricity
around the world. Even though nuclear has a huge upfront financial burden, its
long lifespan (over 60 years) and low running cost makes it one of the cheapest
baseload sources of electricity.

Around the world, advanced countries seek financial support for their nuclear
projects. There are various models to finance nuclear power plant procurement,
including the option of a public private partnership.


HOW ABOUT NUCLEAR WASTE AND THE COST OF DEALING WITH IT?

Ghana already operates one of the few radioactive waste storage facilities in
Africa. This means that when Ghana builds a nuclear power plant it will already
have capacity in nuclear waste management.

Radioactive waste management, which deals with nuclear waste, is an issue that
needs to be addressed in the early stages of planning a nuclear plant. This is
evident in the International Atomic Energy Agency milestone approach which most
countries follow to develop a nuclear programme. It shows all the 19
infrastructure issues that need to be addressed throughout the three-phased
approach.

It is the only power plant that is responsible in dealing with its waste after
its lifetime. In effect, it is the only power plan that plans and pays for its
waste management during operation and post operation with dedicated funds for
waste management.

The costs of managing nuclear waste and the nuclear power plant’s
decommissioning at the end of its operating life are included in the nuclear
power plant tariff. This is a safety requirement as enshrined in the
International Atomic Energy Agency safety standards. Furthermore, the country of
origin has strict regulations about decommissioning which have to be adhered to
by nuclear power plant owners.

One of the major concerns by the public is the treatment or storage of the high
level spent fuel that is sometimes referred to as “waste”. High level spent fuel
is the fuel that has been used up through irradiation. These used fuels usually
have over 90% usable fuel that can be re-used through reprocessing.

 * Electricity
 * Nuclear energy
 * Energy
 * Clean energy
 * Environment
 * Hydropower
 * Thermal energy
 * Ghana
 * Paris Agreement
 * Economic Community of West African States (ECOWAS)
 * Peace & Security
 * Nuclear power plants
 * RandD
 * Renewable fuels
 * green transition






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