Electricity in the municipality is distributed to the 28 barangays of the municipality through the Sorsogon Electric Cooperative I (SORECO I), the local electric cooperative servicing the southern part of Sorsogon province. There is a total of 13,667 connections in the municipality as of 2015, of which 12,901 are residential, 441 are commercial, 22 are industrial, 134 are public buildings and 168 are for street lighting. The cost of electricity per kilowatt hour by type of consumer is P 9.61 for residential, P 7.23 for institutional, P 7.07 for industrial and P 7.83 for commercial users. About 82.9% of households of Irosin have electricity in 2013.