Electric Motor Efficiency Calculator

Motor Upgrade Saving Estimate

Estimate energy saving, cost saving, CO2 reduction, and payback

Use this preliminary calculator to compare an existing electric motor against a higher-efficiency motor before arranging site measurement and energy audit verification.

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Electric Motor Efficiency Calculator

Estimate Motor Upgrade Savings

Estimate energy saving, operating cost reduction, CO2 reduction, and simple payback for high-efficiency motor upgrades.

Preliminary motor saving assessment

Enter the existing and proposed motor performance values to estimate annual savings before arranging site verification, motor loading assessment, and energy audit review.

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Customer Information

Optional for calculation. These details are required only when submitting an assessment.

Customer / company name (required for submission) Contact person (required for submission) Email (required for submission) Phone number (required for submission) Motor application (required for submission)

Existing Motor Information

Number of motors * Motor rated output power * Motor power unit * Existing motor rated efficiency (%) * Existing motor efficiency class *

Proposed Motor Information

Proposed motor rated efficiency (%) * Proposed motor efficiency class * Proposed motor purchase and installation cost (RM) (optional)

Operating Information

Operating hours per day * Operating days per year * Electricity tariff (RM/kWh) * Grid emission factor (kgCO2/kWh) *

Motor upgrade estimate

Calculated Savings Summary

Payback: Not calculated

This preliminary estimate compares both motors at the same rated shaft output and uses their entered rated full-load efficiencies. It does not calculate actual operating efficiency or actual motor loading.

Original motor rating 0 kW entered value

Rated output power 0.00 converted kW

Existing annual energy 0 kWh/year

Proposed annual energy 0 kWh/year

Annual energy saving 0 kWh/year

Annual electricity cost saving RM 0.00 per year

Annual CO2 reduction 0.00 tCO2/year

Simple payback period Not applicable years

Simple payback period Not applicable months

Existing input power per motor 0.00 kW

Proposed input power per motor 0.00 kW

Input power reduction per motor 0.00 kW

Total input power reduction 0.00 kW

Annual operating hours 0.00 hours/year

Existing annual electricity cost RM 0.00 per year

Proposed annual electricity cost RM 0.00 per year

Energy saving percentage 0.00% vs existing energy

This calculator uses the motors' rated full-load efficiencies and assumes rated shaft output. It provides a preliminary estimate only. Detailed verification of actual motor efficiency, actual loading, or driven-equipment output requires an onsite energy assessment.

Need Site Verification?

DW Energy and Engineering can verify motor loading, operating profile, and actual saving opportunities through an energy audit.

Estimate Motor Upgrade Savings

Preliminary motor saving assessment

Calculated Savings Summary

Interested to verify this saving through an energy audit?

Need Site Verification?