There is a detailed summary of the condition of each satellite (transponders, solar cells, fuel, etc) as of end of second quarter in these two reports (each owner reports only their satellites).
http://www.sec.gov/Archives/edgar/data/1415404/000095013408013905/d58935e10vq.htm
http://www.sec.gov/Archives/edgar/data/1001082/000095013408013895/d58936e10vq.htm
http://www.sec.gov/Archives/edgar/data/1415404/000095013408013905/d58935e10vq.htm
http://www.sec.gov/Archives/edgar/data/1001082/000095013408013895/d58936e10vq.htm