6 Best Free Solar Saving Calculator Websites

Here is a list of the best free solar saving calculator websites. Going with the effort for better tomorrow, the world is gradually moving to sustainable sources of energy. Solar energy is one of the best ways that is viable for the residential, commercial, and industrial sectors. It has a long life cycle with almost no maintenance cost. Once set up, a solar plant can easily last up to 25 years. Batteries can be installed to store the energy that can be utilized when there is no sun. Since there is no regular cost, it can save a significant amount of money on electricity bills. If you are thinking to adapt to solar energy for your electricity usage then these websites can help you estimate the savings that come with it.

Most of these websites are for the Indian market only. You can select your building type and enter your average electricity bill to know how much you can save by going solar. Based on your budget, energy needs, or available rooftop area, these websites give you a detailed breakdown of the total cost of setting up the solar plant. You also get a financial breakdown of the cost from different companies including subsidy and tax. These websites estimate how much time it will take to recover the cost by saving on your electricity bill. Some websites also come with EMI calculators for going solar.

My Favorite Solar Saving Calculator Website

SPIN is my favorite solar saving calculator website on this list. This is an Indian government website where you can estimate the savings as well as the cost of the solar plant. It offers three ways to calculate solar rooftop costs. You can calculate it by total rooftop area, solar panel capacity you want, or your budget. Based on any of these factors, you can get a detailed breakdown of the cost and savings with financial options. It also offers an EMI calculator with subsidies including taxes.

Check out our lists of best free Online Electricity Cost Calculator Websites, Solar Design Software For Windows, and Solar Eclipse Simulator Software For Windows.

Solar Rooftop Calculator by SPIN

SPIN is an online portal for Solar Photovoltaic Installation (Grid-Connected Rooftop). This is an official portal of the Government of India where you can calculate estimated solar savings. There are three ways to estimate solar cost and savings on this website. You can do that by entering your rooftop area, the solar panel capacity you need, or your budget. After that, you can input your respective data, pick your location and average electricity cost to estimate the total cost and savings of going solar.

Highlights of this solar calculator:

  • Calculate solar cost and savings by Total Roof Top Area, Solar Panel Capacity you want to install, or Your Budget.
  • Calculate solar savings for residential, commercial, institutional, industrial, government, and social sectors.
  • Feasible Plant size as per your Capacity.
  • Detailed cost breakdown with/without subsidy including GST.
  • Total electricity generation from solar (annual and 25-years).
  • A monthly, annual, and 25years financial breakdown with solar.
  • Carbon dioxide emissions mitigation by going solar.
  • EMI Calculation of the cost subsidy, loan, interest rate, and loan period.

Solar Calculator by Adani Solar

Adani Solar also offers a free Solar Calculator where you can estimate the cost and savings of switching to solar energy. This calculator is similar to the SPIN I covered above. Here, you can add your available rooftop area, your budget, or your electricity needs to get the cost estimation that matches your needs. It gives you a detailed breakdown of the cost of solar along with financing options and available subsidies (if any).

Highlights of this solar calculator:

  • Calculate solar savings for residential, commercial, industrial, institutional, government, and social sectors.
  • Calculate solar cost and savings by your custom budget, your rooftop area, or plant capacity.
  • Configure solar plant size as per the available space.
  • Detailed cost breakdown of the cost including GST (with/without subsidy).
  • Calculates the total electricity generation from solar (annual and 25-years).
  • A monthly, annual, and 25 years financial breakdown with solar.
  • EMI Calculation of the cost subsidy, loan, interest rate, and loan period.

MYSUN Solar Calculator

MYSUN Solar Calculator is a free solar saving calculator. This free tool can help you instantly calculate your savings if you switch to solar. You can calculate estimated saving for an existing building or a new building. All you have to do is enter your location and your average monthly electricity bill. In the case of a new building, you can enter the sanctioned load instead of the monthly bill. This way, you can estimate solar savings for residential buildings, commercial buildings, and industrial buildings.

Highlights of this solar calculator:

  • Calculate solar savings for residential, commercial, and industrial sectors.
  • Recommended Solar System Size by capacity and space required (with or without Net Metering).
  • Comparison of regular and solar electricity bills.
  • System Cost, Lifetime Saving, and Return on Investment along with MYSUN financing options.
  • Your potential contribution to the environment by going solar.
  • A detailed summary of system size with energy breakdowns, solar position, roof area, shading, annual generation, and more.
  • A breakdown of financial options from three different companies.
  • Cash outflow and payback analysis for all available financing options.
  • Energy forecasting graphics with estimated annual and 25 years of energy generation.
  • Download the financial analysis details in a PDF report.

Solar Calculator by Orb Energy

Solar Calculator by Orb Energy is another free tool to calculate how much you can save by going solar. This calculator can give you a detailed breakdown of the solar cost and estimated savings. To do that, you have to select your property type, enter your monthly electricity bill amount, average numbers of units consumed per month, rooftop area, and sanction load. Based on those details, it shows you the total cost, total savings, and time period to recover the cost by saving your electricity bill.

Highlights of this solar calculator:

  • Calculate solar savings for residential, commercial, and industrial sectors.
  • Select the number of years (from 1 to 25) to get the cost estimations.
  • It shows the total system cost and then total saving for the selected time period.
  • Estimates the payback time along with monthly savings.
  • Offers Orb’s collateral-free loan with downpayment amount and monthly EMI.

Solar Energy Saver Calculator by Koku Solar

Solar Energy Saver Calculator is another free online tool by Koku Solar to estimate solar savings. This is a pretty basic calculator compared to the other ones covered here. It has three data fields for Unit Consumed, Bill Amount, and Shadow Free Area. You can add your data to the respective filed. This gives you a statement indicating your investment option and savings.

Highlights of this solar calculator:

  • Calculate solar savings based on unit consumed, bill amount, and available area for solar installation.
  • Estimates the capacity of the solar plant as per space availability.
  • Estimates solar power generation of 1st year and total annual savings.
  • Shows how much carbon emissions you erase in the next 25 years by going solar.
  • Calculates the recovery time of the net investment along with net saving during the payback period.

Solar Calculator by Energy Sage

Solar Calculator by Energy Sage is another free website to calculate solar savings. This website is for US only. It estimates cost based on your roof, electricity bill and actual offers in your area. You can select your location or pick on the and then enter your monthly electricity bill to estimate solar cost. It tells you what you going to need, how much it is going to cost, and what are the financial options.

Highlights of this solar calculator:

  • Calculate solar savings for residential, commercial, and industrial sectors.
  • The amount of sq. ft. of sunny roof space you need to meet 100% of your electricity needs.
  • The amount you can save with Federal & State Incentives.
  • A detailed comparison for Cash, loan, and lease.
  • Get competing solar quotes online from pre-screened installers.
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