🌱 Energy & Sustainability
Energy & Sustainability Calculators
Motor IE class upgrade savings, VFD energy savings (affinity laws), compressed air energy costs and LED lighting upgrade payback.
⚡ Quick answer
INDUGRID provides 4 free Energy & Sustainability engineering calculators for professional use. Motor IE class upgrade savings, VFD energy savings (affinity laws), compressed air energy costs and LED lighting upgrade payback.
Motor Energy Savings — IE Class Comparison
Calculate annual energy cost savings and payback period when upgrading from a lower IE class motor t…
Savings [kWh/yr] = P_shaft × (1/η_old − 1/η_new) × hours | Payback = Investment / (Savings × €/kWh)
Variable Frequency Drive (VFD) Energy Savings
Calculate energy savings when installing a Variable Frequency Drive (VFD) on a pump or fan running a…
P₂/P₁ = (n₂/n₁)³ [Affinity law for centrifugal machines]
Compressed Air Energy Cost & Efficiency
Calculate total energy cost of a compressed air installation and identify cost drivers. Compressed a…
E_specific [kW per 100 nl/min] = P_motor / (Q_actual / 100) | Cost = E_specific × Q × hours × price
LED Lighting Upgrade Savings
Calculate energy savings and payback period when replacing conventional lighting (fluorescent, HPS, …
Saving [kWh] = (P_old − P_new) × hours | ROI includes energy + maintenance savings