
<li><p>
Maximise whole-system NPV
</p>

<p>
In this mode, the goal is to choose how to supply heat to the buildings in the problem (or abate demand) at the minimum overall cost. The internal transfer of money between buildings and network operator is not considered, so there are no network revenues and tariffs have no effect.
</p>

<p>
Under this you can control whether or not to
</p>

<ul class="org-ul">
<li>Offer insulation measures</li>
<li>Offer other heating systems</li>
</ul>

<p>
These choices are n