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Solar Calculator Pro

DAILY GEN

kWh

MONTHLY GEN

kWh

MTHLY SAVINGS

0 Trees Saved

0 kg CO₂

7-Day Forecast

Loading weather data...

Last Year's Performance

Based on actual solar radiation from the previous 12 months.

What Can I Run?

With your daily generation of 0 kWh, you can run:

1.5 Ton AC

0 Hrs

Fridge (300L)

0 Days

EV Car

0 km

About This Tool

The Solar Command Center is an advanced, real-time calculator designed to estimate the potential generation and savings of a solar PV system. Unlike simple static calculators, this tool connects to live weather satellites (Open-Meteo) to analyze cloud cover, solar radiation, and historical data for your specific location. It provides a realistic "Real World" prediction of how much energy your roof can generate.

How to Use

1 Select Location: Choose your city from the dropdown. The tool will auto-detect your location if allowed.
2 Enter System Size: Input the capacity of your solar panels in kW (e.g., 5.0 for a standard home).
3 Check Forecast: Review the 7-Day Forecast to see how weather will impact your generation this week.
4 Plan Usage: Use the "What Can I Run?" section to understand your power in terms of appliances like ACs and EVs.

Frequently Asked Questions

How accurate is the weather data?

We use the Open-Meteo API, which pulls data from global weather models. The "7-Day Forecast" adjusts generation based on cloud density, offering a much higher accuracy than simple "average sun hour" calculations.

What is "System Size (kW)"?

System Size refers to the total DC capacity of your solar panels. For example, if you have 10 panels rated at 500 Watts each, your system size is 5,000 Watts or 5.0 kW.

Why does the chart show different monthly values?

Solar production naturally drops in winter due to the sun's angle and shorter days. The "Last Year" chart uses actual historical radiation data for your city to show this seasonal curve, helping you plan for low-production months.

Can I use this for Off-Grid systems?

Yes. Focus on the "Daily Generation (kWh)" figure. This number tells you exactly how much energy you can store in your batteries each day. Ensure your battery bank is large enough to hold this amount.

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Homepage Solar Savings Calculator 2026

Solar Calculator Pro

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