Regenerative AC Load
ROI Calculator
Estimate your annual energy cost savings and payback period when switching from resistive to regenerative electronic loads.
Test System Parameters
kW
Total rated power of your electronic load
hrs / day
days / wk
Monday–Friday = 5, shift patterns may vary
£
per kWh
UK average industrial rate ~£0.20–£0.28/kWh
Cost & Efficiency Assumptions
%
Typical regenerative loads return 90–95%
£
Total purchase price of regenerative load
£
Equivalent resistive load cost for comparison
Your Estimated Savings
Annual Energy Savings
—
kWh recovered per year
Annual Cost Savings
—
electricity cost saved per year
Simple Payback Period
—
years to break even
Total annual operating hours
—
Energy consumed per year (resistive)
—
Energy returned to grid (regenerative)
—
Annual energy cost — resistive load
—
Annual energy cost — regenerative load
—
Additional capital investment (regen vs resistive)
—
5-year total cost of ownership savings
—
This calculator provides estimated figures for illustrative purposes only. Actual savings will vary depending on operating conditions, local energy tariffs, load duty cycle, and system configuration. Contact Caltest for a detailed assessment tailored to your application.
