UK’s Largest Vertical Farm That Uses Only Sunlight Begins First Harvest


While hydroponic farms, also known as “vertical farms,” swap land use for electricity use— one project is trying to take the best of both worlds.

Using only natural light for photosynthesis and heat, Shockingly Fresh’s greenhouse in Offenham, England, can produce four times the yield compared with regular farming while using much less energy than other vertical farms.

This is because other vertical farms are closed systems—relying on the artificial LED light and indoor heating to keep crops cozy.

“It is ultimately better for the environment. I can’t say it’s carbon-neutral but it isn’t as carbon-hungry as an LED vertical farm would be,” the aptly-named Nick Green, development director of Shockingly Fresh, told The Guardian. 

While other producers might say that Shockingly Fresh’s use of natural light means they can’t keep up the 24-7 production typical of farms that can leave the lights on all night, the company stresses that they match the consumption patterns of humans and use far less energy in the process.

“Production isn’t completely linear as it would be in a fully-lit vertical farm, but people don’t eat as much lettuce in winter as they do in summer,” he explained.

Offenham was completed in 2021 and is already producing lettuce and bok choy for sale at supermarkets, with strawberries planned for winter when the days become shorter. Even though Green reckons they can produce 2 million heads of lettuce per year, the location is just one-tenth of the size of future projects.


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