By Ese Ufuoma
Nigeria’s food-price crisis is often measured at the market, but one of its less visible pressures begins much earlier on the farm, where the cost of powering irrigation can determine how much it costs to produce a crop. That is the problem the Federal Government is attempting to tackle with a new push for solar-powered irrigation, beginning with deployments in Gabasawa and Kumbotso Local Government Areas of Kano State by the National Agency for Science and Engineering Infrastructure (NASENI), in collaboration with the International Water Management Institute (IWMI). The proposition is straightforward: replace petrol- and diesel-powered water pumps with solar systems, reduce farmers’ energy bills, and make year-round cultivation more economically viable.
But the bigger question is whether cheaper irrigation can eventually translate into cheaper food for Nigerian consumers. For years, agricultural policy has concentrated on inputs such as fertiliser, improved seeds, tractors, land, and credit. Energy, however, is woven into the economics of farming, particularly in northern Nigeria, where dry-season cultivation depends heavily on irrigation. Farmers growing vegetables, rice, and other crops often pump water from rivers, dams, wells, and other sources. When those pumps depend on petrol or diesel, increases in fuel prices immediately raise production costs. Solar irrigation offers a different proposition. Once the equipment is installed, sunlight replaces fuel as the primary energy source for pumping water. Farmers therefore have the potential to reduce one of their recurring operating expenses while gaining greater control over when they cultivate. During the Kano demonstration, NASENI officials said the systems would reduce farmers’ dependence on petrol and diesel pumps and provide a more affordable and reliable source of water. Farmers who witnessed the demonstration also anticipated lower production costs. Yet the economics of solar irrigation do not begin and end with fuel savings. The first hurdle is the cost of installation. Panels, pumps, pipes, storage and related equipment require significant upfront investment. For smallholder farmers operating with limited working capital, the long-term savings may be attractive, but the initial purchase may remain out of reach without concessional financing, government support, cooperatives, or private-sector participation.
That financing question is particularly important because Nigeria has experienced agricultural interventions that generated enthusiasm at launch but struggled to achieve sufficient scale or remain operational over time. A solar pump is only useful if it continues working. Farmers will need access to technicians, spare parts and maintenance services. Without those systems, equipment can deteriorate, and the expected economic benefits can disappear. The Federal Government has been moving towards wider adoption. In September 2025, the National Economic Council endorsed NASENI’s solar irrigation pumps for broader deployment and sought approval for large-scale production and distribution, citing their potential to increase productivity, reduce operational costs, and improve farmers’ incomes. Kano provides an important testing ground. The state has a substantial agricultural economy and significant dry-season farming activity. Its Kafinchiri irrigation project is also being developed to support year-round cultivation.
The potential impact goes beyond reducing fuel bills. Irrigation can give farmers greater control over production, allowing them to cultivate outside the rainy season and potentially increase the number of production cycles. More consistent production could, in turn, increase the supply of food reaching markets. But there is no automatic line between lower irrigation costs and lower food prices. A farmer could save significantly on pumping water and still face high costs for fertiliser, seeds, labour, transportation, land and storage. A tomato farmer, for instance, may produce more cheaply but lose a substantial portion of the harvest because there is inadequate cold storage or transportation to market. This makes the solar irrigation programme part of a much larger equation. For its benefits to move beyond the farm gate, it must be connected to storage, processing, transportation, market information and affordable finance. Water management will also matter. Cheaper energy could encourage increased pumping, but irrigation must be managed responsibly to reduce waste and protect groundwater and other water resources. IWMI’s role in training farmers is therefore important, particularly in helping farmers understand crop water requirements, irrigation schedules and equipment management.
There is another opportunity: industrial development. If Nigeria can develop domestic capacity to manufacture, assemble, install and maintain solar irrigation equipment, the agricultural programme could create an additional local value chain. NASENI said in September that it had facilitated the establishment of 20 factories and developed more than 40 products over roughly two years, reflecting its broader effort to move technology from research institutions into commercial production. Such capacity could reduce dependence on imported equipment while creating jobs and supporting an ecosystem around agricultural technology. Still, scaling the model will be difficult. Nigeria’s millions of smallholder farmers operate across different ecological zones, farm sizes and infrastructure conditions. A system designed for Kano may require modifications before being deployed elsewhere. Financing will therefore remain central. A sustainable approach could combine government support with commercial lending, farmer cooperatives and private investment. Private companies could also develop irrigation-as-a-service models, allowing farmers to pay for water rather than bearing the full cost of purchasing and maintaining equipment.
Ultimately, the success of Nigeria’s solar farming push should not be measured by the number of pumps installed. The more important indicators are what happens afterwards: Are farmers cultivating more hectares? Are production cycles increasing? Has the cost of irrigation fallen? Are incomes rising? Is food supply becoming more stable? And, crucially, are consumers eventually benefiting from the savings? The Kano deployment addresses a genuine constraint in agricultural production. But cheaper energy alone will not solve Nigeria’s food-price challenge. For solar irrigation to make a meaningful difference, Nigeria must connect cheaper farm energy to the rest of the agricultural value chain. Without affordable finance, reliable inputs, transportation, storage, processing and functioning markets, the benefits of solar irrigation may remain where they began: at the farm gate.