To dream of electricity represents power, vigor, and life energy in some area of your life. Certain thoughts, emotions or situations are very much alive.
To dream of blue electricity represents positive power and life energy. Positive thoughts and situations are having a noticeable or powerful influence in some area of your life.
To dream of red electricity represents negative power and life energy. Negative thoughts and situations are having a noticeable or powerful influence in some area of your life.
Example: A man dreamed of seeing blue electricity flowing across his hands. In waking life he had discovered that a new talent that let him change his unhappy life and felt invigorated about his capability to change his life for the better.