Home Back

Solar Panel Consumption Calculator

Solar Energy Production Formula:

\[ kWh = System\ Size\ (kW) \times Hours\ of\ Sun \times Efficiency \]

kW
hours
decimal

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Solar Panel Consumption Calculator?

The Solar Panel Consumption Calculator estimates energy production from solar panels based on system size, hours of sunlight, and panel efficiency. It helps determine expected energy output for planning and optimization purposes.

2. How Does the Calculator Work?

The calculator uses the solar energy production formula:

\[ kWh = System\ Size\ (kW) \times Hours\ of\ Sun \times Efficiency \]

Where:

Explanation: The equation calculates expected energy production by multiplying system capacity by available sunlight hours and accounting for system efficiency losses.

3. Importance of Solar Energy Calculation

Details: Accurate energy production estimation is crucial for sizing solar systems, calculating return on investment, energy planning, and determining potential savings on electricity bills.

4. Using the Calculator

Tips: Enter system size in kW, average daily sun hours, and system efficiency as a decimal (e.g., 0.85 for 85% efficiency). All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is considered good system efficiency?
A: Most modern solar systems operate at 15-22% efficiency, with premium systems reaching up to 23-25%.

Q2: How many sun hours should I use for calculation?
A: This varies by location and season. Check local solar insolation data or use average values of 4-6 hours for most regions.

Q3: Does this account for weather conditions?
A: No, this is a basic calculation. For accurate estimates, consider local weather patterns and seasonal variations.

Q4: What factors affect solar panel efficiency?
A: Temperature, shading, panel orientation, tilt angle, dust accumulation, and system age all impact efficiency.

Q5: Can I use this for battery storage planning?
A: This calculates production only. For storage planning, you'll need to consider consumption patterns and battery capacity separately.

Solar Panel Consumption Calculator© - All Rights Reserved 2025