How Much Power Do Data Centers Use?
Estimating global data center energy consumption.
Number of Data Centers
# Major hyperscale data centers (Google, Amazon, Microsoft, etc.)
hyperscale_centers = 500 to 800
# Smaller enterprise data centers
enterprise_centers = 5000 to 10000
# Power per hyperscale center (MW)
hyperscale_power = 50 to 200 MW
# Power per enterprise center (MW)
enterprise_power = 1 to 10 MW3 [1, 10] megawatt {power}
Calculation
# Total hyperscale power
hyperscale_total = hyperscale_centers * hyperscale_power
# Total enterprise power
enterprise_total = enterprise_centers * enterprise_power
# Total data center power
total_power = hyperscale_total + enterprise_total100000 [52000, 200000] megawatt {power}
Annual Energy
# Hours per year
hours_in_year = year as hour
# Annual energy consumption
annual_energy = total_power * hours_in_year
annual_energy_twh = annual_energy as TWh880 [460, 1700] TWh {energy}
Result
Global data centers consume approximately 100000 [52000, 200000] megawatt {power} of power.
That's roughly 880 [460, 1700] TWh {energy} per year!
For context, this is about 1-2% of global electricity consumption.