Today he is of us a little bit over 6 bn. In 2050 he will be of us about 50 % more, that is over 9 bn. Accepting what is a realistic assumption, that the average power consumption in the scale of world will reach the level appearing at present in the richest countries, we will be consuming for her over twice more. In India in years 1992 - 2001 power consumption grew for cover 50 %. Since media are ruling the image of today's world and with them lobbyists constantly we learn that a new panacea was invented. With such the large almost not used source of energy, will probably happen geotermia. For her because resources immediately of today's and conceivable prospective needs are completely not wyczerpywalne.