Farming advocates and NGOs say the energy costs of the units are too high for many small-scale farmers, while common power outages mean those who can afford to use them must often rely on expensive and polluting diesel generators as back-up.

To address this, more companies and civil society groups – often backed by government funding – are now working to set up sustainable cold storage units, powered by solar, nationwide.


In the past decade, the government has implemented policies and action plans, and provided subsidies to develop cold chain systems across the country as part of a drive to cut food waste.

About 40% of food produced in India is wasted at the cost of billions of dollars per year, the United Nations has estimated.

But it’s not just an economic issue.

Food waste accounts for about 8% of global greenhouse gas emissions, according to a UN report launched at the COP27 climate summit in Egypt which said sustainable cold chains can play a major role in tackling “the climate and food crises”.

India is enduring ever-more extreme weather – from floods to droughts – and rising temperatures due to climate change, with farmers increasingly worried about their crops and wastage.

Given that many farms are not connected to the grid and rely on diesel for power, clean energy experts say solar solutions such as cold storage systems will not only improve farmers’ incomes but help the agriculture sector go greener.

“Solar-powered cold storage hubs … take care of both the environmental and socioeconomic challenges without raising carbon footprints,” said Rekha Krishnan, the chief executive of Clean Energy Access Network, an industry association in India.

Yet logistical issues and costs may be a barrier to scaling up such storage, industry representatives and experts warn.


The co-founder and CEO of Inficold, Nitin Goel, said he hopes to cut the price of the company’s cold storage units by half within the next five years as more “get rolled out to the markets”. Its five-tonne units cost about 1.4 million rupees.

Inficold currently has 116 facilities across 19 Indian states that provide storage for about 25,000 farmers, and the firm plans to double the number of units next year, Goel said.

The entrepreneur acknowledged there are challenges to scaling up such as transporting the large “containerised” units across poor roads and rough terrain to remote parts of India.

But as long as they can cut carbon emissions, “the pains are worth it to keep our environment cleaner,” said Goel.

The cold storage unit in Khawzawl means a tomato-grower cooperative from Tualte village – which makes up most of the users – no longer has to harvest all of its produce at once but can pick the fruit about twice a week and sell at better prices.

The farmers pay one rupee a month for each kilo stored, with the money used to maintain and clean the facility.

Krishi Vigyan Kendra (KVK) in Khawzawl, an agricultural science centre funded by the federal government, is helping the farmers and training them on how best to keep their produce to prolong its shelf life and ensure it stays as fresh as possible.

“The technology is helping farmers to be resilient to climate impacts and empowering them in their fields and (at) market as well,” said KVK project associate Isaac Lalremruata.

MISTIC scientific officer Joel Dantes said the state was prone to climate shocks such as heavy rains and landslides that cause sudden power cuts, making off-grid sustainable solutions vital.

For the farmers in the area – who also grow pineapple, kiwi and papaya – cold storage affords them a “back-up of four to five days” as the systems can keep running for that period of time even where there is not much sunshine, Dantes said.

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