Complex sentence: Zambia Electricity Supply Corporation Limited (ZESCO) is a state-owned company, the largest power producing company in Zambia producing about 80% of the electricity consumed in the country.
Split into simpler sentences: Zambia Electricity Supply Corporation Limited (ZESCO) is a state-owned power company in Zambia. It is the Zambian the largest power company producing about 80% of the electricity consumed in the country.