Where did the energy for the Big Bang come from?

I attempted a detailed resonse, but can only tell you that those who have answered you so far are only telling the fairy tales, lies, and pseudoscince that they have learned to parrot back in response to your request for actual facts, research done witout bias, and certainly research which was not designed to encourage more billion dollar accelerators for use in their perpetual money making schemes. you may contact me for futher discussion under parental supervision ONLY! at spencermadole@yahoo.com

The energy that the mass contained; EVERYTHING compressed into one little itty bitty teensy weensy little atom provided the energy that caused THE BIG BANG by Big Daddy, baby.

It's all happened before and it's all gonna happen again and again over and over---for eternity.

Whatta ya think they're talking about when preacher talks about everlasting life and the Earth and the heavens shall pass away and the void shall give up it's dead and life springs anew?

A TV commercial that's timed just long enough for you to go to the bathroom?

Energy is never created or destroyed. And there is no energy required for the expansion of space. The big bang was not an explosion. It was the beginning of the expansion of space.

The total energy content of the Universe may be zero. Gravitational potential energy is negative, and in a closed Friedmann cosmology (as our Universe appears to be), it exactly balances the positive energy of all the "stuff".

The physicist and cosmologist Alan Guth of MIT has put forth the scientific theory, called Inflation, that the Big Bang was just the result of a random quantum event called a vacuum fluctuation — with no cause, created out of quantum indeterminacy, and with a total energy of zero. Even tho this doesn’t make sense in the Newtonian physics of our experience of the world, it does make sense in quantum mechanics and Einstein’s general relativity. In relativity, gravity is negative energy and matter is positive energy. Because the two seem to be equal in absolute total value, our observable universe appears balanced to the sum of zero. Our universe could thus have come into existence without violating conservation of mass and energy — with the matter of the universe condensing out of the positive energy as the universe cooled, and gravity created from the negative energy. When energy condenses into matter, equal parts of matter and antimatter are created — which annihilate each other to form energy. However there appears to be a slight imbalance to the process, which results in matter dominating over antimatter.

There are many well-respected physicists, such as Stephen Hawking, Lawrence Krauss, Sean M. Carroll, Victor Stenger, Michio Kaku, Alan Guth, Robert A.J. Matthews, and Nobel laureate Frank Wilczek, who have created scientific models where the Big Bang and thus the entire universe could arise from nothing but a quantum vacuum fluctuation -- via natural processes.

I know that this doesn't make sense in our Newtonian experience, but it does in the realm of quantum mechanics and relativity. As Nobel laureate physicist Richard Feynman wrote, "The theory of quantum electrodynamics describes nature as absurd from the point of view of common sense. And it agrees fully with experiment. So I hope you can accept nature as she is — absurd."

"To surrender to ignorance and call it God has always been premature, and it remains premature today."

— Isaac Asimov

For more, watch the video at the 1st link - "A Universe From Nothing" by Lawrence Krauss.

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Energy is always there, it cant be destoryed only change in form

energy was always thr .. it cannot be created nor destroyed only changes form .

I deleted my answer because the one under it is so much better... haha

From nowhere.

God's 'sex drive'...actually the big bang is unproven.