The Akosombo Dam is Ghana's flagship hydroelectric dam, built across the Volta River in the Eastern Region, and it created **Lake Volta** — the largest man-made reservoir in the world by surface area. **The basics.** Akosombo sits in the Asuogyaman District of the Eastern Region, near the town of Akosombo, damming the Volta River just before it reaches the Atlantic. It was conceived under Osagyefo Dr Kwame Nkrumah as the centrepiece of the Volta River Project — the industrialisation dream that also gave Ghana the Tema industrial city and the aluminium smelter at Tema that the dam was largely built to power. Construction ran from 1961 to 1965, and the dam was formally commissioned by Nkrumah on 22 January 1966. The Kaiser Engineers and Impregilo consortium built it; the financing came largely from the World Bank, the United States and the UK, with the VALCO aluminium smelter as the anchor customer. **The dam itself.** It is a rock-fill embankment dam, roughly 660 metres long and about 114 metres high at its maximum, with a spillway that can discharge enormous volumes during flood years. Installed generating capacity is about 1,020 megawatts across six units — for decades the single largest source of electricity in Ghana, feeding the national grid through the Akosombo switchyard. It is operated by the Volta River Authority (VRA), established in 1961 to build and run the scheme. **Lake Volta.** Filling the reservoir displaced tens of thousands of people — around 80,000 residents of riverside towns such as Kete Krachi, Dambai and parts of the Afram Plains were resettled into new townships. Lake Volta now covers roughly 8,500 square kilometres, stretching about 400 kilometres from Akosombo northward past Kpandu, Yeji and Yapei almost to the Burkina Faso border. It is central to Ghana's inland fishing industry, to lake transport, and to the ecology of the Volta basin — though it also brought environmental and health consequences, including the spread of schistosomiasis and the loss of farmland. **Why it matters.** Akosombo is more than a power plant — it is a symbol of Nkrumah's vision of Ghanaian industrial sovereignty, and its aluminium-for-power arrangement with VALCO shaped Ghana's political economy for generations. It also has a difficult recent history: in 2023, spillage from the dam during heavy rains caused severe flooding downstream in the Volta, Greater Accra and Eastern regions, displacing tens of thousands. Low water levels in dry years have repeatedly triggered power rationing — the "dumsor" episodes Ghanaians know too well — which is why Ghana has since added thermal plants and other hydro sources such as Bui and Kpong to reduce dependence on Akosombo alone. The Akan proverb fits the dam well: *"Duako nnware a, ɛyɛ den"* — one person's strength is limited; it took a nation, and foreign partners, to hold back the Volta. If you want, I can go deeper on the resettlement townships, the VALCO deal, or the 2023 spillage and its aftermath.