Original sentence: 1712-Overall capacity under construction---.5power tower Sierra, (eSolar demonstration plant) Lancaster, Solar plant could be savior to struggling Lancaster.612.4-Overall operational capacity - --
Edited sentence: 1707-Overall capacity under construction---.5solar power tower Sierra SunTower Lancaster, eSolar demonstration plant, USA's first commercial solar tower, completed August 2009 Solar plant could be savior to struggling LancastereSolar Ushers in New Era of Solar Energy with Unveiling of Sierra Power Plant.617.4-Overall operational capacity - --