An elevator uses between 2,000 and 35,000 kWh of electricity per year, depending on the building height, elevator type, and usage.
Small residential elevators use far less energy than large high-rise elevators.
Elevators also use energy while sitting still.
I will discuss idle power use, yearly energy use, how different elevator types consume energy, and the factors that affect efficiency.
Energy Consumption Details
The energy used by an elevator depends on how often it runs and the type of system installed.
Elevators use power when moving and also when waiting for passengers.
Here are the main energy numbers most experts reference:
- Idle power: about 0.21 to 0.83 kWh per hour
- Small building elevator: about 2,000–4,000 kWh per year
- Large high-rise elevator: 35,000+ kWh per year
This range varies widely because building size and traffic levels change energy demand.
Even when an elevator does not move, systems such as lighting, controls, and standby electronics still use power.
Elevator Idle Power Use
An idle elevator uses an average of 0.21 to 0.83 kWh per hour.
This standby energy keeps several systems active, including:
- Elevator control system
- Cabin lighting
- Display panels
- Ventilation fans
- Monitoring systems
In busy buildings, elevators do not stay idle for long. In low-traffic buildings, idle energy can account for a large share of total electricity use.
Some modern elevators include sleep modes that reduce power consumption when the elevator remains inactive for extended periods.
Annual Energy Use
Annual elevator energy use varies by building type and elevator design.
A 3-story hydraulic elevator may use around 4,000 kWh per year.
High-rise elevators in large buildings use far more energy.
For example:
- Low-rise buildings: 2,000–4,000 kWh per year
- Mid-rise buildings: 6,000–15,000 kWh per year
- High-rise buildings: 35,000+ kWh per year
High-speed elevators use more power because they travel longer distances and move more passengers.
Large buildings also run several elevators at the same time, which increases total energy use.
Energy Consumption by Elevator Type
The drive system and technology determine energy demand.
Hydraulic Elevators
Hydraulic elevators use a fluid system powered by a motor to lift the car, and they consume more energy because the motor must work against gravity.
Typical energy characteristics:
- Higher energy use during upward travel
- Common in low-rise buildings
- Moderate yearly electricity use
A small hydraulic elevator may use 3,000–4,000 kWh per year.
Traction Elevators
Traction elevators use cables and counterweights.
The counterweight balances the elevator car, reducing the energy required to move the system.
These elevators are common in mid-rise and high-rise buildings.
Typical characteristics:
- Lower energy use than hydraulic systems
- Efficient for tall buildings
- Smooth operation at higher speeds
Many modern traction elevators include regenerative drives that send unused energy back to the building’s power system.
Machine-Room-Less (MRL) Elevators
Machine-room-less elevators use compact motors installed inside the elevator shaft.
These systems often use gearless traction motors, which are very efficient.
Key energy features include:
- Lower standby power
- Efficient motors
- Reduced equipment space
Many newer buildings install MRL elevators because they combine energy efficiency with compact design.
Residential Elevators
A home elevator may use electricity similar to a household appliance.
Typical energy use:
- Around 1,000–2,000 kWh per year
- Short travel distance
- Lower passenger traffic
Because home elevators operate less often, total energy use stays low.
Efficiency Factors That Affect Elevator Energy Use
Several factors affect how much energy an elevator uses.
Here are the most important factors.
Building Height
Taller buildings require more energy because elevators travel longer distances.
High-rise elevators also run at faster speeds, which increases power demand.
Passenger Traffic
Busy buildings use elevators more often.
For example:
- Offices
- Hotels
- Hospitals
- Shopping centers
Frequent trips increase energy consumption.
Elevator Speed
Faster elevators require stronger motors.
High-speed elevators in tall buildings use more electricity than slow elevators in small buildings.
Elevator Technology
Modern elevator systems often include energy-saving features.
Examples include:
- Regenerative drives
- LED lighting
- Smart standby modes
- Efficient gearless motors
These technologies reduce electricity use.
Lighting and Ventilation
Lighting and fans inside the elevator cab also use power.
Many modern elevators now include:
- Motion-activated lighting
- Energy-saving LED lights
- Smart ventilation systems
These features reduce idle power consumption.
Understanding Elevator Energy Use in Buildings
The amount of energy an elevator uses depends on building size, elevator type, and daily traffic.
Small elevators in homes or low-rise buildings use a few thousand kilowatt-hours each year. Large high-rise elevators may consume 35,000 kWh or more annually.
Idle power also contributes to total electricity use because elevators continue to power control systems, lighting, and electronics.
Understanding these energy factors helps building owners choose efficient elevator systems and manage long-term operating costs.