Final answer:
To calculate the energy produced by the power plant, multiply the capacity factor by the capacity of the power plant and convert the units to MWh. The answer is 900 MWh.
Step-by-step explanation:
To calculate the energy produced by the power plant in one day, we need to multiply the power plant's capacity by the number of hours in a day. The capacity of the power plant is given as 1000 MW, and its capacity factor is 0.9.
To find the energy produced, we multiply the capacity by the capacity factor:
Energy produced = Capacity × Capacity factor
Energy produced = 1000 MW × 0.9 = 900 MW
Now, we need to convert this energy from MW to MWh. Since 1 MW is equal to 1 MWh per hour, the energy produced by the power plant in 1 day would be 900 MWh.
Therefore, the correct answer is 900 MWh (D).