r [W]</span>
<span class="go">5139.9586997897668</span>

<span class="gp">&gt;&gt;&gt; </span><span class="n">pvsys</span><span class="o">.</span><span class="n">FF</span>  <span class="c1"># fill factor</span>
<span class="go">0.78720728660102768</span>

<span class="gp">&gt;&gt;&gt; </span><span class="n">pvsys</span><span class="o">.</span><span class="n">eff</span>  <span class="c1"># efficiency</span>
<span class="go">0.21824347997841023</span>

<span class="gp">&gt;&gt;&gt; </span><span class="n">pvsy