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Milk Refrigeration Systems for India's Off-Grid Communities

As the largest producer and consumer of milk in the world, India faces a serious problem when it comes to off-grid dairy farmers. In this World Economic Forum discussion, Promethean Power Systems co-founder Sam White describes his approach to ensuring that milk is properly refrigerated and not spoiled by bacteria.

Released on 01/21/2014

Transcript

(piano music)

(airy tones)

[Voiceover] This is a business that

addresses a real operational problem in the dairy industry.

This will be revolutionary for food security

in areas that don't have reliable electricity.

India is the largest producer and

consumer of milk in the world.

Today dairy processors cannot collect from more than half

of the 300,000 milk producing villages in India.

We have a dairy farmer who's milkin' the cows,

the bacteria starts to grow immediately.

If they don't get that milk chilled

within four hours, the bacteria kills the milk.

India is averaging 6 hours.

Dangerous levels of bacteria.

Everyone in India who buys milk,

knows that they have to boil it.

Which means you're getting rid of all the vitamins

and nutrients that come with that milk.

So you're probably asking, why the hell

don't we chill this milk at the village level?

Well, a traditional milk chiller

requires a dedicated diesel generator.

To maintain these diesel generators,

and to buy the fuel for the diesel generators

makes it economically unviable for the dairy processors

to place these smaller chillers at the village level.

We have developed a thermal storage battery system

that enables dairy farmers in India

to chill milk for the first time without a diesel generator.

The idea of our technology is to decouple

when you get electricity and when you use

that electricity for chilling things like milk.

Of 300,000 milk producing villages in India,

only 120,000 are able to sell

to the organized dairy industry.

When we enable a dairy processor to collect milk from them,

they make three times as much money per liter of milk.

And dairy processors tell us that

they've never seen quality this good.

Over the next five years, the middle class

is gonna be growing by 67%, and they're all

demanding more quality products,

particularly when it comes to food.

But there's a problem of getting food to the market

because of the unreliable power to chill

things like milk, fruits and vegetables.

And that's the market that we're addressing.

The impact will be that these dairy farmers

will make a lot more money in a much more

sustainable way and the consumers

will be drinking much healthier milk.

So the whole ecosystem rises.

(whip cracking)

(click)

Starring: Sam White

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