Complex sentence: During the winter months, daily power cut averages around 12-16 hours a day usually in 3 to 4 scheduled time slots, however power cuts rarely happen according to schedule outside of the capital city of Kathmandu.
Split into simpler sentences: During the winter months, daily power cuts average around 12-16 hours a day usually in 3 to 4 scheduled time slots. However, power cuts rarely happen according to schedule outside of the capital city of Kathmandu.