The Gods Themselves

A door opened to another universe, and a desperate Earth's energy crisis seemed over. Cheap, clean power was pouring through - enough for all the planet's needs. But before long, Peter Lamont realized this bounty was fraught with peril. All this energy flooding our Universe had set the Sun on a countdown to explosion. Would humanity heed his warnings? Or would he have to turn for help to the very beings who had first opened that door? And if he managed to contact those alien intelligences - what would their response be?