As each clients power needs vary, there is no one cost answer. An open cycle system reduces energy costs on average at 30% from the cost of peak grid power. A co-generation & tri-generation system reduces energy cost on average by 75% from the cost of peak power and replaced heating costs. After the cost of capital is included, the total savings can range from 20% to over 50%, a full energy audit from Optimal will outline the potential costs & savings to each client.