How to use the Peak Shaving Potential Calculator
The Formula
TOU tariffs charge more when the grid is stressed. Peak shaving moves flexible loads into cheap off-peak windows—same comfort, lower weighted $/kWh. Savings scale with your rate spread and how much peak energy you can reschedule.
Practical Example
Before = peak kWh × peak $/kWh + off-peak kWh × off-peak $/kWh. After moves (peak kWh × shift %) from peak to off-peak buckets. Monthly savings = before − after; annual = monthly × 12.