number">Figure 23: </span>An example of the cost summary table</p>
</div>

<p>
The two most important figures in the cost summary table are the <b>Network NPV</b> (in the middle on the right) and the <b>Whole system NPV</b> (at the bottom right).
</p>

<p>
These are the values the model will try and maximize, depending on the choice of objective setting.
</p>

<p>
The whole system NPV will always be negative, because the model only displays costs - the benefit is in terms of delivered heat, which is assumed