Complex sentence: In October 2013, BES Utilities announced that BES Commercial Electricity would set a price freeze on its electricity tariffs until spring 2014 and in April 2014, it also announced that BES Commercial Gas would also freeze its tariffs until winter 2014.
Split into simpler sentences: In October 2013, BES Utilities announced that BES Commercial Electricity would set a price freeze on its electricity tariffs until spring 2014. In April 2014, it announced that BES Commercial Gas would also freeze its tariffs until winter 2014.