Enchanted Rock, LLC (ERock), is a leader and innovator in distributed energy. ERock builds and operates cost effective reliability microgrids that help companies manage physical and financial risk associated with electricity. ERock�s On Demand Electric Reliability? provides customers with highly reliable, ultra-clean, ultra-quiet natural gas backup power systems at a cost to the customers that is a small fraction of the installation cost of a standard reliability system. In 2010 we became the first in Texas to provide utility grade backup power as a service.