Free Energy Calculators

Professional tools to calculate your energy savings, solar ROI, EV charging costs, and optimization potential. Get instant results before implementing your smart home automations.

💰 Energy Savings Calculator

Calculate how much you can save per year with smart home automations and energy management.

25%
Typical range: 15-40% with comprehensive automation

☀️ Solar ROI Calculator

Calculate the return on investment for your solar panel system with smart automation optimization.

🔋 EV Charging Cost Calculator

Compare charging costs and calculate savings with smart scheduling and solar integration.

📊 Peak Shaving Calculator

Calculate potential savings from reducing peak demand charges with battery storage and smart load management.

30%
Typical range: 20-50% with battery + automation

Ready to Implement These Savings?

Our comprehensive guides show you exactly how to build these automations in Home Assistant. Get step-by-step instructions, tested configurations, and expert optimization strategies.

Browse Energy Guides Get Custom Quote