Agriculture, Food and Beverage

How powering food storage could end hunger

Pre-consumer food waste is stockpiled before being feed to black soldier fly larvae at the Enterra Feed Corporation in Langley, British Columbia, Canada, March 14, 2018.  Picture taken March 14, 2018.  REUTERS/Ben Nelms - RC197FAF9DC0

Image: REUTERS/Ben Nelms

Roberto Ridolfi
Director, Sustainable Growth and Development, European Commission
Olivier Dubois
Senior Natural Resources Officer, Energy programme, Food and Agriculture Organization
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Agriculture, Food and Beverage

  • More than 250 million tonnes of food is wasted annually in developing countries.
  • Increased access to energy can help modernize the food chain, in particular allowing more cold storage for products, preventing waste.
  • Mini-grids and decentralized renewables can provide energy at a lower cost for producers and consumers to enable this access.

In our fight against global warming, energy efficiency is the low-hanging fruit of cutting carbon emissions. It reduces the need to produce more energy and is quick, easy and inexpensive. The goal of ending global hunger by the UN’s target of 2030 must also start with efficiency. That means reducing food waste, which can only happen with refrigerated storage.

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In developing countries, 40% of food loss occurs after harvest and early in the supply chain. This translates to more than $310 billion of food waste and loss annually – mostly because of inadequate refrigeration and unreliable and expensive energy supply. Food loss affects producers, reducing their income by at least 15%, and consumers. At the same time, food waste is the third-largest emitter of CO2 globally.

In rural areas of Sub-Saharan Africa and developing Asia, where the electricity grid does not reach or does not work, access to energy – especially decentralized renewable solutions such as solar and hydro-powered mini-grids – is fundamental. Our analysis shows significant productivity increases and food loss decreases if adequate access to energy is provided to rural communities.


Without electricity, there is no cold storage to enable and empower the economic transformation of the lives of 780 million smallholder farmers, who bear the brunt of food waste and are also the most vulnerable to climate change.

Yet many countries have so far failed to fully reform regulations to promote mini-grids and the other distributed renewables that can modernize food chains. This is despite the fact that diesel generators, the current default solution for many farmers, are far more expensive than solar power, not to mention highly polluting.

Global food waste or loss
Global food waste or loss

The International Energy Agency (IEA) states that mini-grids and decentralized renewables are the least costly solution for electrifying the world’s nearly 1 billion people still living without electricity, but government red tape makes obtaining licences and power-purchase agreements for such solutions challenging. Better policies will also help unlock the blended finance needed to reduce risk and entice local commercial banks to enter the market more aggressively. Lastly, achieving a win-win of rural electrification and food refrigeration requires more than technology, policy and finance; it requires an army of entrepreneurs.

Proliferating cold storage by deploying decentralized renewable energy solutions can improve the business case for energy suppliers by increasing demand beyond household consumption. Moreover, by selling more power to improve food production and in particular cold storage, energy users can afford to pay a higher energy tariff, improving the business case of the energy supplier.

Food waste - How many tonnes of dairy products are lost?
How many tonnes of dairy products are lost around the world?

The rural milk sector in Kenya is a good example of what is possible. Typically, small farmers produce less than 5 litres of extra milk a day to sell to milk collection centres or the local market. But getting milk to a more distant market is difficult as it spoils within a few hours. Replacing diesel with solar-powered milk centres resulted in significant savings by eliminating spending on diesel and reducing milk loss. But we must move beyond pilot projects to scale. Large energy companies like ENGIE and Enel Green Power, as well as smaller start-ups, are working to roll out mini-grids for the food chain.

Governments and funders, by recognizing the link between electricity access, cold storage and scaling agricultural productivity, will not only help to end energy poverty but can also bring us closer to food security for all.

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Related topics:
Agriculture, Food and BeverageFood SecurityDavos Agenda
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