# Using Allocation Penalties to Allocate Water

## **Create a new model**

Ceate a new network called Exercise 1a using the following template:

#### Pywr child template v1 (March 2021) - flow units in Mm3/day

<figure><img src="/files/jqJJ3a88zklWYMAjVf0d" alt=""><figcaption></figcaption></figure>

Follow the instrucions here for a reminder on how to set up the model:

## **Set Up Time Horizon**

This step is mandatory for all networks as it defines the simulation's start, end, and timestep. For this example, we will configure a 1-year simulation horizon with a daily timestep.

<figure><img src="/files/zEQpFRyIiyWa7WyAt81E" alt=""><figcaption></figcaption></figure>

For a reminder on how to create a project and new networks click [here](https://water-strategy.gitbook.io/water-strategy/getting-started/creating-a-new-project-and-network).


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