They have better catch-up quick - Brilliant Light Power (Dr. Randell Mills’ group) released a short video showing a 250 kW (that’s 250,000 Watts to you non-technical types) steam boiler operating in the lab a few weeks back:
https://www.youtube.com/watch?v=d12y8khtu5U
The world has been waiting for Mills to produce something FAR longer than it has Rossi.