Year,Base Tariff (sen/kWh)
2005,23.5
2006,26.300000000000001
2007,26.300000000000001
2008,32.5
2009,31.300000000000001
2010,31.300000000000001
2011,33.5
2012,33.5
2013,33.5
2014,38.5
2015,38.5
2016,38.5
2017,38.5
2018,39.399999999999999
2019,39.399999999999999
2020,39.399999999999999
2021,39.399999999999999
2022,39.899999999999999
2023,39.899999999999999
2024,39.899999999999999
2025,45.600000000000001