SolarSavingsThe Solar Tool Ecosystem
Take the guesswork out of your solar installation. Our suite of free, interactive calculators helps you size your system, forecast financial returns, and optimize battery backups.
Financial & ROI Calculators
Subsidy & Cost Estimator
Our flagship tool. Instantly calculate your precise PM Surya Ghar Muft Bijli Yojana Central CFA subsidy based on your monthly electricity bill.
Break-Even & Payback Timeline
Visualize exactly how many years it will take for your rooftop solar system to pay for itself through utility bill savings and net metering credits.
Solar Loan EMI Calculator
Planning to finance your panels? Compare your monthly loan EMI directly against your current electricity bill to ensure you remain cash-flow positive.
Technical Sizing Tools
System Size Calculator (kW)
Determine the optimal kilowatt (kW) capacity required to completely offset your annual electricity consumption and achieve a zero-rupee bill.
Roof Area Estimator
Not sure if your roof is big enough? Input your available square footage to see how many standard 540W solar modules you can physically fit.
Battery Bank Sizer
Going hybrid or off-grid? Calculate the exact battery capacity (kWh) and voltage needed to survive power outages while running critical home appliances.
Policy & Grid Analysis
Net Metering Credits
Understand how grid export tariffs work in your state. Calculate the monetary value of the excess solar power you feed back into the DISCOM grid.
State-Wise Subsidy Matrix
A comprehensive database tracking extra state-level nodal agency top-up subsidies that can be combined with your Central CFA grant.