Q. When is an energy-productive engine cost-effective?

The additional expense of an energy-effective engine is frequently rapidly reimbursed in energy reserve funds. In common modern applications energy-productive engines are savvy when they work more than 4000 hours every year allowing a 2-year straightforward recompense model. For instance with an energy cost of $0.04/kWh a solitary place of productivity gain for a persistently working 50-hp engine with a 75% burden factor saves 4079kWh or $163 every year. Hence ABB electric motors offer four focuses of productivity gain that can cost up to $1304 over a standard model and still meet a 2-year straightforward compensation basis. A utility refund program would further improve the advantages of the abb electric motors.