how affective is solar power energy?

I am doing a science project,about which is more affective,solar power,wind power,or water power.

Soalr energy has about 15% effeciency in converting the Sun’s energy into power.

2 Responses to “how affective is solar power energy?”

  1. secretuser Says:

    Soler Power is very affective but not commonly used
    References :

  2. California Bear Says:

    Soalr energy has about 15% effeciency in converting the Sun’s energy into power.
    References :
    http://en.wikipedia.org/wiki/Solar_power

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