Free Tools

Energy Calculators for Smart Decisions

Use these free tools to analyze your energy usage, estimate savings, and make informed decisions about your Illinois business energy strategy.

Interactive Calculators

Calculate your load factor to understand how efficiently you use electricity. Higher load factors often mean lower rates.

Estimate the return on investment for commercial battery storage. See payback period and savings potential.

Estimate potential savings from commercial solar installation based on your usage and roof space.

We're developing additional tools to help you manage your energy costs more effectively.

Convert between energy (kWh) and power (kW) for sizing and analysis.

Compare fixed vs variable rate options based on your usage pattern.

Have a recent utility bill handy. Most calculators need your monthly usage (kWh) and peak demand (kW) at minimum.

Enter your information and get instant results. All calculations happen in your browser—we don't store your data.

Want help interpreting results or exploring options? Contact us for a free consultation with an energy advisor.

Our advisors can help you interpret calculator results and develop a strategy.