Buying British-grown greens in the middle of winter shouldn’t be a luxury, but high energy costs are making it harder than ever for our farmers to compete. While we all want to see more UK grown produce on our shelves, the reality is that heating and lighting industrial greenhouses during the darkest months is an expensive hurdle.
At the same time, the UK is facing a bizarre paradox: to date, we spent an estimated £3 billion just to turn off wind turbines because the grid couldn’t handle the excess power.
At the Green Light Project, we believe the solution to high food prices and wasted clean energy is one and the same. We’re trialling a way to bridge this gap, ensuring that when the wind blows, our crops grow.

The Challenge: Too much power, not enough growth
The UK has some of the best wind energy potential in the world. However, when the wind blows hardest, we often produce more electricity than our energy grid can carry. This “curtailed” energy is essentially wasted potential.
Meanwhile, to keep our supermarket shelves stocked with British tomatoes and greens in January, growers need high-intensity lighting systems. These systems are expensive to run, often making home-grown food less competitive than imports. This impacts the UK’s food security greatly, as relying on imports also means relying on a global supply chain in increasingly volatile geo-political climates.
The solution: Industrial demand-side response (DSR)
The Green Light Project is trialling a “blueprint” for a smarter, more flexible food system. Instead of turning the turbines off, we are channeling that surplus renewable energy directly into industrial greenhouses.
How it works:
- Real-time Syncing: When the grid has an oversupply of wind power, a signal is sent to participating greenhouses.
- Powering Up: The greenhouses “soak up” this excess energy to power advanced LED lighting systems.
- Boosting Yields: This extra light helps crops grow faster and healthier during the dark UK winter months, without the massive price tag usually associated with industrial energy use.

Looking ahead
The Green Light Project isn’t just about one trial; it’s about creating a repeatable model for the whole country. We want to prove that by being flexible with when we use power, we can solve the grid’s biggest headache while feeding the nation.
It’s time to stop wasting our wind and start growing our future.

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