| Efficiency-wise Classification of Steam Stations in India (2000-2001 to 2004-2005 and 2006-2007 to 2010-2011) | |||
| Thermal Efficiency | No. of Generating Stations | Operating Capacity (MW) | Energy Generated (GWh) |
| 2000-2001 | |||
| Above 15% to 20% | |||
| Above 20% to 25% | |||
| Above 25% to 30% | |||
| Above 30% | |||
| Total | |||
| 2001-2002 | |||
| Above 15% to 20% | |||
| Above 20% to 25% | |||
| Above 25% to 30% | |||
| Above 30% | |||
| Total | |||
| 2002-2003 | |||
| Above 15% to 20% | |||
| Above 20% to 25% | |||
| Above 25% to 30% | |||
| Above 30% | |||
| Total | |||
| 2003-2004 | |||
| Above 15% to 20% | |||
| Above 20% to 25% | |||
| Above 25% to 30% | |||
| Above 30% | |||
| Total | |||
| 2004-2005 | |||
| Up to 15% | |||
| Above 15% to 20% | |||
| Above 20% to 25% | |||
| Above 25% to 30% | |||
| Above 30% | |||
| Total | |||
| 2006-2007 | |||
| Up to 15% | |||
| Above 15% to 20% | |||
| Above 20% to 25% | |||
| Above 25% to 30% | |||
| Above 30% | |||
| Total | |||
| 2007-2008 | |||
| Up to 20% | |||
| Above 20% & up to 25% | |||
| Above 25% & up to 30% | |||
| Above 30% | |||
| Total | |||
| 2008-2009 | |||
| Up to 20% | |||
| Above 20% & up to 25% | |||
| Above 25% & up to 30% | |||
| Above 30% | |||
| Total | |||
| 2009-2010 | |||
| Up to 20% | |||
| Above 20% & up to 25% | |||
| Above 25% & up to 30% | |||
| Above 30% | |||
| Total | |||
| 2010-2011 | |||
| Up to 20% | |||
| Above 20% & up to 25% | |||
| Above 25% & up to 30% | |||
| Above 30% | |||
| Total | |||
