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The Pay-Per-Use Idea

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When we showed that saving water required data, it wasn’t enough. The connection between saving money and water was not made obvious. So we decided to prove it another way: A case study. And we had found the best place to prove our findings:

A society that shared the total water bill; irrespective of usage

Probably just like yours.

We installed VenAqua in an Apartment complex consisting of 124 flats inhabited by approximately 372 people*. Since they all split the water bill, no one paid attention to the individual usage. No one knew if they were paying more than they should!

An interesting fact about shared expenses: When one suspects that they paid more than they used, they often vow to use more to justify the charge. This seems easier to them, instead of fighting to convince everyone to be judicious.

Our mission was to use data to bring a behavioural change and to show that it can help save money through water. To do this, we needed each flat to know how much they used. And that is exactly what VenAqua did.

The Pay-Per-Use Idea

So far, we’ve had individual electricity meters for our homes because it is fair, easy to measure and no one wants to pay for their neighbours’ usage. Plus, you always know how much you used and pay for just that. If the bill is too high, you vow to be more careful with your usage. Fair enough.

Question - Why haven’t we been able to do this with water?

Because until now it was not easy to measure an individual flat’s water consumption. After our event in Bangalore, we answered this question. You can find it here. There is no longer a reason for you to split the water bill with anyone. You can start paying only for what you’ve used.

A society that used water judiciously, and saved money doing so

This was the result of the data from VenAqua and the Pay-Per-Use Idea. Within the first month of our installations, we saw 430 kilolitres of water being saved. As a result, the society needed fewer tanker lorries which saved ₹50,000! But that’s not all. The judicious use of water resulted in fewer expenses on sewage water clearing and that alone saved an additional ₹20,000.

We saw a gradual behavioural change that was the result of Data. VenAqua and the Pay-Per-Use Idea proved how saving money and water is interlinked. In essence, the whole idea is really quite simple; Pay for water the way you pay for electricity. And you know what’s great? No one can tell you it’s impossible anymore.


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