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Eskom Matla power station, located in Mpumalanga, south africa is a coal-fired power plant that generates electricity for the national grid. The power station has six units, each with a capacity of 605 MW, making it one of the largest power stations in the country. The plant uses coal from the nearby Matla coal mine.
1.1 Water enters the boiler at Matla power station as a saturated liquid at 9.87 atm. Determine the saturation temperature and the specific enthalpy of the water at the state using the steam tables.
1.2 The water is heated to superheated steam at 500 degrees Celsius at a constant pressure of 9.87atm, to drive the turbine and generate electricity for the national grid. Determine the enthalpy of the superheated steam at this state.
1.3 Calculate the amount of heat added to the water per kg to achieve this state change, which is essential for electricity generation. State assumption clearly.
1.4 If the power station operates at a capacity factor of 0.8. Calculate the annual electricity generation in kWh.

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