<Tr> <Td> All India </Td> <Td> 194,402.88 </Td> <Td> 25,329.38 </Td> <Td> 837.63 </Td> <Td> 220,569.88 </Td> <Td> 6,780.00 </Td> <Td> 44,594.42 </Td> <Td> 57,260.23 </Td> <Td> 329,204.53 </Td> <Td> 100 </Td> </Tr> <P> The installed captive power generation capacity (above 1 MW capacity) in the industries is 50,289 MW as on 31 March 2017 . Another 75,000 MW capacity diesel power generation sets (excluding sets of size above 1 MW and below 100 kVA) are also installed in the country . In addition, there are innumerable DG sets of capacity less than 100 kVA to cater to emergency power needs during the power outages in all sectors such as industrial, commercial, domestic and agriculture . </P> <Table> Captive Power Generation <Tr> <Th> Source </Th> <Th> Captive Power Capacity (MW) </Th> <Th> Share </Th> </Tr> <Tr> <Td> Coal </Td> <Td> 29,888 </Td> <Td> 59.43% </Td> </Tr> <Tr> <Td> Hydroelectricity </Td> <Td> 54 </Td> <Td> 0.11% </Td> </Tr> <Tr> <Td> Renewable energy source </Td> <Td_colspan="4"> Included in' Oil' </Td> </Tr> <Tr> <Td> Natural Gas </Td> <Td> 6,061 </Td> <Td> 12.05% </Td> </Tr> <Tr> <Td> Oil </Td> <Td> 14,285 </Td> <Td> 28.41% </Td> </Tr> <Tr> <Td> Total </Td> <Td> 50,289 </Td> <Td> 100.00% </Td> </Tr> </Table> <Tr> <Th> Source </Th> <Th> Captive Power Capacity (MW) </Th> <Th> Share </Th> </Tr>

Which is the main source of electricity in india