From Wiktionary, the free dictionary
clean power (uncountable)
- Electric power that is free from voltage spikes and drops, or any other abnormalities.
2003, John Kramer, The CISA Prep Guide: Mastering the Certified Information Systems Auditor Exam[1]:Another way to ensure clean power is available is to recreate a clean sine wane signal by electronically reproducing it ...
- Electric power generated without polluting the environment.
2003, Scott Davis, Microhydro: Clean Power from Water[2]:Remind them, if necessary, that properly done, microhydro will generate clean power for many years without damaging the environment in any way.
