&gt; &quot;You have also now way to know if these 0.5ct&#x2F;kWh are correct. And that article is actually sales material from the plasma fusion company.&quot;<p>The article I linked to contained an estimate. The point I&#x27;m making is that nobody knows what the final cost will actually be. If you want to play guessing games then you should be happy to know what information is available to base that guess on.<p>&gt; &quot;The wikipedia article on this topic suggests that no progress has been made since 2012.&quot;<p>Progress has been made since 2012, though the progress has been slower than it could&#x27;ve been as there&#x27;s been a lack of funding. This year the focus appears to have been on improving one of the key parts. The team update their website fairly frequently, last news update about the project was made less than a month ago:<p><a href="http:&#x2F;&#x2F;lawrencevilleplasmaphysics.com&#x2F;news-and-archives&#x2F;lpp-news&#x2F;" rel="nofollow">http:&#x2F;&#x2F;lawrencevilleplasmaphysics.com&#x2F;news-and-archives&#x2F;lpp-...</a>