Enter the installed capacity and capacity factor into the calculator to determine the annual energy production.
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Annual Energy Production Formula
The following formula is used to calculate the annual energy production for a given installed capacity and capacity factor.
E = (P * CF * 8760) / 100
Variables:
- E is the annual energy production in megawatt-hours (MWh) when P is in megawatts (MW)
- P is the installed capacity in megawatts (MW)
- CF is the capacity factor in percent (%)
- 8760 is the number of hours in a non-leap year (use 8784 for a leap year)
To calculate the annual energy production, multiply the installed capacity by the capacity factor and the number of hours in a year (8760 in a non-leap year). Then, divide the result by 100 to convert the capacity factor from a percentage to a decimal. When P is in MW, the result is in MWh (multiply by 1000 to convert MWh to kWh).
What is Annual Energy Production?
Annual energy production refers to the total amount of electrical energy generated by a power plant or a renewable energy system over the course of a year. This metric is crucial for understanding the efficiency and effectiveness of energy-producing systems, such as wind turbines, solar panels, and hydroelectric plants. The annual energy production is influenced by factors such as the installed capacity of the system, the capacity factor, and the number of operational hours in a year. It provides a comprehensive measure of the system’s performance and is often used for planning, financial analysis, and environmental impact assessments.
How to Calculate Annual Energy Production?
The following steps outline how to calculate the Annual Energy Production.
- First, determine the installed capacity of the system (P) in megawatts (MW).
- Next, determine the capacity factor (CF) of the system in percent (%).
- Next, multiply the installed capacity by the capacity factor and the number of hours in a year (8760 in a non-leap year).
- Finally, divide the result by 100 to convert the capacity factor from a percentage to a decimal.
- After inserting the values and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
Installed Capacity (P) = 50 MW
Capacity Factor (CF) = 30%