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SOLAR CALCULATOR

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State*

DISCOM*

Tariff type*

Average monthly unit consumption (kWh)

Connected load in kW (if known)

Eligible for subsidy?
Click here to check your eligibility for subsidy

Increase in tariff estimate per year (%)

Increase in consumption estimate (%)

Other taxes and charges (%)

Per kW system cost

Correction factor for solar system sizing (%)

Per kW inverter cost

Per kW O&M cost

Your Results

Eligible for net metering?

Average units per year

Average Monthly
Bill [INR]

^₹

KW System required

KW System recommended

Net System Cost
after Subsidy
if any INR

^₹

Size Required (Sq F)

Shadow Free
area required

Size Required (Sq M)

Estimated
generation annually

67,500_Kwh

energy produces

[KWH]

Your Contribution
to the Environment

485

trees added

Max % from Solar

Max % Load Connection

Max Transformer Capacity (%)

Maximum allowed units that can be generated from solar annually

PLF estimate (%) (based on state)

Average per day generation from 1 KW system

Electricity Generated from recommended system

Subsidy (%)

40%

Net Cash Outflow

Bill and Savings Per Year

Profit and Loss Statement

Year
Consumption from Grid without Solar (kWh)
Degradation
Generation from Solar (kWh)
Requirement from Grid (kWh)
Bill per year without Solar (INR)
Bill per year with Solar (INR)
O&M Expenses & Inverter Replacement
Savings per year (INR)
System Cost (INR)
Net Cash Outflow (INR)

Calculation Information1

IIn some states there is a minimum installation (for example, in West Bengal it is 5 KW) required to avail net metering. The Solar Calculator excludes those cases.

Disclaimer

The information which you calculate from this Calculator is intended for use by you as a guide only, it is not an offer and has no legal effect on any contracts entered into by you "the client". This simulation and the resulting calculations do not constitute accurate result of solar generation and the financial gain it shows. Please do consult a solar rooftop installation provider prior to relying on the results.

Use our solar panel calculator to rapidly calculate your savings and solar potential by address. The solar calculator will instantly create estimates depending on your tariff type, power bill, and local incentives after you fill out the basic areas.

CALCULATION INFORMATION

In some states there is a minimum installation (for example, in West Bengal it is 5 KW) required to avail net metering. The Solar Calculator excludes those cases.

DISCLAIMER

The information which you calculate from this Calculator is intended for use by you as a guide only, it is not an offer and has no legal effect on any contracts entered into by you “the client”. This simulation and the resulting calculations do not constitute accurate result of solar generation and the financial gain it shows. Please do consult a solar rooftop installation provider prior to relying on the results.

FAQs

What is a solar calculator and how does it work?

A solar calculator is an online tool that estimates the potential benefits of installing a solar power system. It uses details such as electricity consumption, location, rooftop area, and energy tariffs to calculate the recommended solar system size, estimated savings, energy generation, and return on investment.

How can a solar calculator estimate my electricity bill savings?

A solar calculator analyzes your monthly or annual electricity usage and compares it with the expected energy generation from a solar system. Based on local electricity tariffs and solar production estimates, it calculates potential reductions in your electricity bills.

What details do I need to use a solar calculator?

Most solar calculators require basic details such as your location, average electricity bill or consumption, available rooftop area, and type of property. Some calculators may also consider factors such as shading, electricity tariffs, and energy usage patterns.

How does a solar calculator determine the right system size for my home or business?

A solar calculator evaluates your energy consumption and available installation space to recommend an appropriate solar system size. It helps ensure that the system can generate sufficient electricity to meet your energy requirements efficiently.

Can a solar calculator estimate rooftop space required for installation?

Yes, a solar calculator can estimate the approximate rooftop space needed based on the recommended solar system capacity and the efficiency of the selected solar panels.

How accurate are solar savings estimates from a solar calculator?

Solar calculators provide estimates based on standard assumptions, local sunlight conditions, electricity tariffs, and system performance data. While actual results may vary slightly depending on installation and usage conditions, they offer a reliable indication of potential savings and energy generation.

Does a solar calculator include subsidy and net metering benefits?

Many solar calculators include estimated government subsidies, net metering benefits, and other financial incentives where applicable. This helps users understand the overall financial advantages of switching to solar energy.

Can a solar calculator show return on investment (ROI) for solar panels?

Yes, a solar calculator can estimate the return on investment by comparing installation costs with projected electricity savings over time. It may also provide estimated payback periods and long-term financial benefits.

How does location affect results in a solar calculator?

Location plays a major role in determining solar energy generation because sunlight intensity and weather conditions vary by region. A solar calculator uses location-based solar irradiation data to provide more accurate system performance and savings estimates.

Why should I use a solar calculator before installing solar panels?

Using a solar calculator helps you understand your energy needs, estimated savings, system size requirements, and potential return on investment before making a solar installation decision. It provides valuable insights for planning a cost-effective and efficient solar power system.