ZAMBIA EXPLAINS
Tanzania Discovers Natural Gas After a Decade: What the 223 Billion Cubic Feet Find Means for Africa
Article by Rodgers Mangwela | KASONDE24
Imagine a country discovering a valuable natural resource beneath its soil, only to face a bigger question: how can that discovery improve the lives of ordinary people?
For Tanzania, that question has become more urgent following a major natural gas discovery in the country's southern region. After more than a decade without a reported new discovery of this kind, the East African nation has announced an estimated 223 billion cubic feet of natural gas at the Mnazi Bay area in Mtwara.
The announcement, made in October 2026, represents an important development for Tanzania's energy sector. The government hopes the discovery will strengthen domestic energy supplies, support industrial growth and reduce pressure on energy costs.
But the story reaches beyond Tanzania's borders. Across Africa, countries are searching for ways to provide reliable electricity, attract investment and create employment without leaving their citizens behind.
For Zambia, where energy security and economic diversification remain important development priorities, Tanzania's experience offers valuable lessons.
Tanzania's Natural Gas Discovery: What Happened?
According to reports published by the BBC and other news organisations, Tanzania's latest discovery was made at the Kasa-1X ST2 exploration well in the Mnazi Bay Block, located in the southern Mtwara Region.
The project involves the state-owned Tanzania Petroleum Development Corporation (TPDC) and French energy company Maurel & Prom.
Energy Minister Juma Zuberi Homera described the discovery as an important step towards strengthening the country's domestic energy supply as electricity demand increases alongside industrial and economic activity.
The discovery is estimated at 223 billion cubic feet, equivalent to approximately 6.3 billion cubic metres of natural gas.
Tanzania's last reported natural gas discovery was in 2015, making the latest announcement particularly significant for a country that has invested heavily in developing its gas resources.
The government expects the new well to contribute to domestic supplies, although the long-term economic benefits will depend on successful production, infrastructure, investment and effective management of the resource.
Why Natural Gas Matters to Tanzania
Natural gas is an important part of Tanzania's energy system. It is used to generate electricity and can also provide fuel for industries, vehicles and other economic activities.
Government statistics cited in recent reporting indicate that natural gas accounted for nearly 80% of Tanzania's electricity generation sources in 2024.
This dependence makes a reliable domestic gas supply particularly important. When production increases, the country may be better positioned to meet rising electricity demand and support businesses that depend on a steady supply of power.
Natural gas can also serve as a raw material for industries producing fertilisers, chemicals and other products. With the right investment, these activities can create employment and help a country earn more from processing its natural resources rather than simply exporting them.
Tanzania has also encouraged the use of compressed natural gas in vehicles, particularly in Dar es Salaam, where some motorists have adopted systems that allow their vehicles to run on locally available gas.
However, discovering gas does not automatically guarantee cheaper electricity, affordable transport or more jobs. Those benefits depend on production costs, infrastructure, taxation, market conditions and how the government manages the revenue.
Africa's Natural Resources: Blessing or Missed Opportunity?
Africa is rich in natural resources, from copper and cobalt to oil, gas, gold and agricultural land. Yet resource wealth has not always translated into widespread prosperity.
In some countries, the extraction of valuable resources has generated substantial revenue without producing enough employment, industrial development or improvements in public services.
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READ MORETanzania's discovery therefore raises an important question: what happens after a country finds a valuable resource?
The answer depends largely on the decisions made by governments, investors and local communities.
A successful natural gas strategy requires more than drilling wells. It needs skilled workers, reliable infrastructure, transparent contracts, environmental safeguards and policies that ensure local businesses can participate in the industry.
Governments must also explain how public revenue is collected and spent. Without accountability, even a major discovery can become another missed opportunity.
For Africa, the real measure of success should not simply be the size of a country's natural gas reserves. It should be the extent to which those resources improve people's lives.
What Can Zambia Learn From Tanzania?
Zambia has its own energy challenges and economic opportunities. Its electricity system has historically relied heavily on hydropower, leaving power generation vulnerable to droughts and changing rainfall patterns.
When water levels fall and electricity generation declines, households, schools, farms and businesses can face serious difficulties.
For a country seeking to expand manufacturing, mining, agriculture and digital services, dependable electricity is essential.
Tanzania's latest discovery highlights the importance of diversifying energy sources and planning for future demand.
For Zambia, the lesson is not necessarily to pursue natural gas at any cost, but to develop a balanced, affordable and reliable energy mix.
Solar power, wind energy where suitable, hydropower, energy storage and other viable technologies can contribute to that objective. Zambia must assess each option according to its cost, reliability, environmental impact and suitability for local conditions.
Natural gas may offer opportunities where commercially viable resources and infrastructure exist, but Zambia should not assume that Tanzania's discovery can simply be replicated on its own territory.
Instead, the country can learn from Tanzania's approach to energy planning, local participation, investment and resource management while continuing to develop the energy options best suited to its circumstances.
From Lusaka to Kabwe and Katondo: Why Energy Security Matters
The importance of reliable electricity is not limited to major cities or industrial centres.
In Lusaka and the Copperbelt, power supports businesses, mines, factories and commercial services. In Kabwe, dependable electricity can help small enterprises operate equipment, preserve goods and expand their services.
Even in communities such as Katondo, energy access can influence the daily experiences of families, teachers, pupils, farmers and entrepreneurs.
A small business that loses electricity may lose income. A school with limited power may struggle to use digital learning resources. A farmer without dependable energy may find it difficult to process or preserve agricultural products.
These examples demonstrate why energy policy must be connected to ordinary people's needs.
For Zambia, the ultimate objective should be an energy system that supports both large-scale economic development and local opportunity. That means investing not only in power generation but also in distribution infrastructure, affordable connections and technologies that enable communities to benefit from electricity.
Tanzania's gas discovery is a reminder that energy resources matter most when they contribute to productive economic activity.
The Environmental Question Africa Cannot Ignore
Although natural gas generally produces less carbon dioxide than coal when burned to generate electricity, it remains a fossil fuel.
Its extraction and transportation can also release methane, a powerful greenhouse gas. Poorly managed operations may create additional environmental risks for surrounding communities.
For this reason, Tanzania will need to balance its energy ambitions with responsible environmental management.
The same principle applies across Africa. Countries must expand electricity access while preparing for a future in which clean energy technologies are becoming increasingly important.
Zambia, with its considerable solar potential, has opportunities to explore renewable energy alongside improvements to its existing electricity system.
The objective should not be to replace one energy challenge with another, but to build a system that is dependable, economically sustainable and environmentally responsible.
The Real Test Begins After Discovery
Tanzania's estimated 223-billion-cubic-foot natural gas discovery is an encouraging development for its energy sector. It could strengthen domestic supply, support industrial activity and create opportunities for investment.
However, the discovery alone cannot guarantee these outcomes. Production must be developed commercially, infrastructure must be available, and the resulting economic benefits must reach beyond the companies involved.
For Tanzania, success will depend on turning an underground resource into a lasting national advantage.
For Zambia, the story provides an opportunity to reflect on a broader development question: how can African countries use their resources, technology and human capital to build economies that work for ordinary citizens?
Whether in Tanzania, Zambia, Kabwe or Katondo, the promise of development becomes meaningful when it is reflected in reliable electricity, productive businesses, better educational opportunities and jobs that enable families to improve their lives.
Natural resources may create the opportunity, but sound planning, accountability and investment in people determine whether that opportunity becomes prosperity.
Published by KASONDE24
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