They should ask them that why did they decide not to provide backup power source and not to have a stable power supply. what was the reason behind it and did they try to understand the impact of this in the day to day operations and performance of the furnaces. These questions will explain a lot about their plans and motives. If they said no or gave vague answers or start making up reasons, like some other company was doing this and that then it will explain that they were not looking for the success of this project and goal was something else.