Can Be Solar, Wind, Electrical; Powers a Lightbulb

This page is the CodyCross answer for the clue below from Physics, Group 1891, Puzzle 4 (Oscilloscope).

Question is: Can Be Solar, Wind, Electrical; Powers a Lightbulb

and the answer is: ENERGY

Word Meaning:

ENERGY — The impetus behind all motion and all activity.

Definitions from Wiktionary.