Calculate, compare, understand, decide
On-Grid vs Hybrid vs Off-Grid Calculator
Compare system costs, backup capability, grid dependence and long-term scenarios without assuming export eligibility.
Smart result
Your estimate will appear here
Change any editable assumption, calculate, and review the steps and limitations before deciding.
What decision does this support?
Compare system costs, backup capability, grid dependence and long-term scenarios without assuming export eligibility. Results are transparent planning estimates. Change carried assumptions whenever your bill, product specification, roof survey, tariff, or driving pattern provides a better value.
Limitations, data availability, assumptions and calculation steps are shown with every result. TechVodka does not provide structural approval, tariff eligibility, charger compatibility, or purchase advice.
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Frequently asked questions
How accurate is this solar system configuration comparison?+
It will provide an indicative estimate based on your inputs and the stated assumptions. Actual results can vary by location, equipment, tariff, and usage.
Can I use the result to make a purchase?+
Use it as a starting point, then confirm current prices, specifications, eligibility, and site requirements with a qualified provider.