"The Pillar Mountain Wind Project was originally 4.5 MW in size, and has been supplying KEA with nearly 10% of its electricity generation, but KEA???s satisfaction with it, combined with wind power???s cost compared to other alternatives, has triggered the company to boost the capacity to 9 MW. At 9 MW, though, KEA feels that an energy storage and power management boost would be helpful in maintain" . . . .