Complex sentence: Design efficiency at turbine MCR (Maximum Continuous Rating) is 34.20% Hendrina which is the only 10-unit power generating station in South Africa is the world's largest AEG Kanis turbine installation.
Split into simpler sentences: Design efficiency at turbine MCR (Maximum Continuous Rating) is 34.20%. Hendrina, which is the only 10-unit power generating station in South Africa, is the world's largest AEG Kanis turbine installation.