e.on entry into european micro-chp, page-4

Its actually good news whether they use BlueGen or not, as it's a large electrical company going down the path of local power generation which is exactly what BlueGen is about. Also if you look at jaluma's post under the job requirements

"Evaluation concerning new technologies within the CH(C)P market and implementation of advanced new technologies into ECT’s business"

like all companies they would (hopefully) be interested in the best on the market.