Commercial And Industrial Loads
Three-phase load balance, feeder load, panel schedules, kitchen loads, data-center loads, and industrial demand.
Load Calculations
Residential, commercial, industrial, feeder, panel, service, appliance, HVAC, and EV load calculators.
Subcategories
Residential Load And Service
Dwelling load, panel load, service size, NEC 220 demand, EV charger, heat pump, and generator load calculators.
Published Calculators
Residential Service Headroom Calculator
Estimate residential service headroom before a planned load by comparing entered service capacity, existing peak demand, planned added load, and an entered coincidence factor.
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Residential Heat Pump Service Load Calculator
Estimate the net added kW from a residential heat-pump conversion and compare the planned peak load with available service capacity.
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Residential Generator Load Calculator
Estimate preliminary residential generator kW and kVA for selected outage loads, including motor-start allowance, reserve factor, power factor, and margin against an entered generator rating.
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Residential Battery Load Calculator
Estimate residential backup battery energy, energy margin, inverter margin, and runtime from essential load, backup duration, efficiency, reserve, and entered equipment ratings.
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Residential EV Diversity Load Calculator
Estimate connected and diversified residential EVSE load, then compare the planning load with an entered capacity allowance.
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Range Demand Calculator
Estimate connected range load, demand load, diversity allowance, and effective demand factor from entered range loads.
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Panel Capacity Calculator
Estimate a panel load screen from existing and planned current, then compare it with an entered panel rating and reserve target.
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Optional Method Dwelling Load Calculator
Keep row-level dwelling load arithmetic visible while preserving the entered method and source records for qualified review.
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Industrial Feeder Capacity Calculator
Estimate adjusted feeder load, current, utilization, and remaining capacity from an entered rating and demand factor.
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Industrial Demand Load Calculator
Estimate coincident industrial demand from entered load blocks and reviewed process demand factors.
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Industrial Branch Load Calculator
Estimate adjusted branch VA and line current from explicit load, demand, continuous, voltage, and phase inputs.
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Dwelling Pool Equipment Load Calculator
Compare entered pool equipment loads with panel or service capacity while keeping Article 680, bonding, grounding, and protection review separate.
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Dwelling Load Schedule Calculator
Compare entered dwelling load schedule groups with an entered capacity while keeping NEC method selection and service sizing separate.
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Dwelling Hot Tub Load Calculator
Compare entered hot-tub component loads with entered circuit capacity while keeping protection, bonding, and manufacturer review separate.
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Dwelling Detached Structure Load Calculator
Calculate entered detached-structure load, planned load with spare, and feeder-capacity margin from lighting, receptacle, equipment, and HVAC values.
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Dwelling Garage Load Calculator
Compare entered garage load with panel or service capacity and show the EV allowance share of the entered total.
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Dwelling Addition Load Calculator
Calculate added connected load, entered-coincidence planned peak, and service-capacity margin from dwelling addition values.
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Demand Factor Calculator
Apply an entered demand factor and fixed allowance to connected load for a parent load workflow; the adopted demand method remains external.
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Commercial Warehouse Load Calculator
Calculate connected warehouse load, entered-demand warehouse load, continuous-load adder, adjusted load, and line current from entered rows.
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Commercial Tenant Load Calculator
Calculate connected tenant load, entered-demand tenant load, and capacity margin from commercial tenant load groups.
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Commercial Receptacle Demand Calculator
Calculate connected receptacle load, entered-demand receptacle load, continuous-load adder, adjusted load, and line current from entered rows.
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Commercial Retail Load Calculator
Calculate connected retail load, entered-demand retail load, continuous-load adder, adjusted load, and line current from entered rows.
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Commercial Phase Allocation Calculator
Compare three entered phase loads with their average, show phase currents, quantify imbalance, and provide an equalizing transfer estimate.
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Commercial Panel Capacity Calculator
Compare an entered commercial panel rating with connected VA under a stated phase model, including current, utilization, and capacity margin.
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