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by the__alchemist 1995 days ago
I should have clarified re indoors: My comment was about setups like in the article, which are reliant on electric lights. One of the biggest limitations they have is electricity cost.
1 comments

If you’re pumping water at any volume you’re using electricity (or fossil fuels).

You can build head with a windmill, but moving water (gpm) requires horsepower.

Also: LEDs are very efficient vs other types of lighting.

> If you’re pumping water at any volume you’re using electricity (or fossil fuels).

Sure, but how much energy compared to also running grow lights?

Does LEDs work for growing food?
Yes, vertical farms will typically use LED lights.