power-hungry

English

power-hungry (comparative more power-hungry, superlative most power-hungry)

(idiomatic) Having a strong desire for power.
The accused politician was a power-hungry man who broke the law so he could help his buddies.
(electronics) Of a device, using or requiring a large amount of electrical power.
Synonyms: power-intensive, energy-intensive

The latest model is also the most power-hungry in the lineup.
- 2023 August 23, Ben Jones, “A Fast Charge to DMUs' demise?”, in RAIL, number 990, page 33:
  Could we eventually see Class 800/802 trains exchanging their diesel engines for Fast Charge battery technology and 'opportunity charging', at each station stop on their long journey west? We're a long way from that being a possibility for heavy, power-hungry inter-city trains, but the Greenford line trial will provide GWR with the experience and data it needs to start the process of making diesel history.

having a strong desire for power

using or requiring a lot of electrical power