Economics – Industry & Resources · Editorial

By Moakanyi Magazine · China-in-Africa · June 2026

A dam is supposed to be a beginning, not an end. Across East Africa, Chinese contractors have raised some of the continent's largest hydropower stations on the promise that firm, low-cost electricity would pull textile mills, smelters and assembly lines in behind them. The megawatts have largely arrived. The industrial take-off they were meant to seed has been slower, more uneven, and more contested than the ribbon-cuttings suggested.

The build-out: dams at continental scale

The hardware is real and large. Uganda's 600-megawatt Karuma plant, built by Sinohydro on the Nile in Kiryandongo district about 270 km west of Kampala and financed largely by a US$1.4 billion loan from the Export-Import Bank of China against a US$1.7 billion total cost, reached full operation in 2024 as the country's biggest power station. Ethiopia's earlier Tekeze dam, a 300-MW scheme completed in 2009 in a canyon at the headwaters of the Nile and at 185 metres one of Africa's highest, was a joint venture involving Sinohydro and China Gezhouba for about US$224 million.

These are not isolated showcases. Ethiopia's wider cascade, from the Gibe schemes to the Grand Ethiopian Renaissance Dam and its projected 5,150 MW, has leaned on Chinese engineering, procurement and construction since the early 2010s. The pattern is consistent: Chinese capital and contractors, host-government ownership, and grids enlarged faster than they could previously be financed. Karuma's construction at peak drew nearly 6,000 additional local workers, with local staff exceeding 85 percent of the workforce and more than 15,000 Ugandans employed over the build – the kind of headline employment number that makes a dam politically attractive long before its tariffs are tested.

The appeal to host governments is easy to read. Hydropower offers firm, low-carbon baseload at a scale no single solar or wind project can match, financed by a lender willing to move quickly and a contractor able to deliver. For countries with the rivers but neither the capital nor the engineering depth, the Chinese package collapses a decade of procurement into a single signature – which is precisely why the model has been repeated from the Nile to the Omo.

The dams are delivered and operating; the harder question is what they switch on.

The industrial case: power as a precondition, not a guarantee

Reliable electricity is necessary for manufacturing, but it is not sufficient. Ethiopia paired its dams with industrial parks built by Chinese contractors – the Hawassa park, raised by the China Civil Engineering Construction Corporation for about US$250 million in nine months, was meant to draw textile exporters onto cheap hydro. Output and jobs have grown, but currency shortages, logistics and global demand have capped the take-off well below plan.

The lesson recurs region-wide. A grid connection lowers one cost among many. Where roads, ports, skills and foreign exchange lag, firm power waits for customers rather than summoning them. The dam supplies an input; whether that input becomes an export industry depends on a dozen factors no turbine controls. A textile order is won on lead times and logistics as much as on the price of a kilowatt-hour, and a mill cut off from a working port or unable to import its raw cotton gains little from cheap electricity.

Cheap megawatts lower the cost of industry; they do not, by themselves, create it.

The debt and demand questions

Hydropower at this scale is borrowed against future consumption. Karuma's Chinese loan, like much of the cascade, assumed demand that local industry and exports would have to generate. Where factories arrive slowly, governments service large concessional debts against under-used capacity, and the case for the next dam rests increasingly on selling power abroad rather than consuming it at home. Ethiopia's pivot toward exporting electricity – including a power-purchase agreement to supply up to 400 MW to Kenya and plans to lift exports to Djibouti – is partly a response to exactly this gap between installed capacity and domestic demand.

Critics of the rush to mega-hydro add a further caution: large dams concentrate risk in a single asset exposed to drought, sedimentation and shifting rainfall, and their benefits can stop at the substation rather than reaching households. The debt is fixed; the water, and the demand, are not. A dry year can cut output precisely when repayments fall due, turning an asset built to earn foreign exchange into a claim on it.

A turbine financed on tomorrow's factories becomes a liability if the factories are late.

East Africa's Chinese-built dams have rewired the region's power map and given governments a genuine asset to build on. Whether they become the foundation of an industrial story or a row of well-engineered monuments depends on the unglamorous work – logistics, skills, foreign exchange and regional power trade – that no dam can pour.

Sources: PowerChina – Karuma, Brenthurst Foundation – Ethiopia industrial parks, FurtherAfrica – Karuma and GERD