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efficiency motors have power factors of better than 95%, which do not incur power factor <br />penalties. <br />Motor replacement is not always recommended in every situation. The hours of operation, motor <br />load, and the ability to downsize the new motor all have to be considered during the evaluation <br />of a potential motor replacement. In many applications replacing a relatively new standard <br />efficiency motor with a high efficiency motor will produce a payback within a year. Capital <br />costs for high efficiency motors are based on the size and type of motor but are typically 30% to <br />50% higher than standard motor replacements. Over the life of a typical industrial motor, aone- <br />percentage-point efficiency gain will pay for the incremental cost of the more efficient motor <br />several times over, and may even save as much as the entire capital cost of the motor. Many <br />electric utilities offer rebate programs for replacing inefficient motors. Three arenas that have <br />carried out high efficiency motor replacements are listed below. <br />Arena <br />Farmington Civic Arena <br />Bloomington Ice Gardens <br />Cottage Grove Arena <br />Contact Person <br />Jim Bell <br />Andy Baltgalvis <br />Dean Mulso <br />Phone <br />(612)463-1851 <br />(612) 948-8842 <br />(612) 458-2846 <br />Energy Improvements in Minnesota Public Ice Arenas Project Page 15 <br />Center for Energy & Environment <br />