The problem of thefts of electric power and decline of commercial losses is considered in the electric networks of consumers. Legislatively-legal bases over are brought for bringing in to responsibility guilty in the theft of electric power. The questions of determination of calculation parameters of facilities of account of electric power are expounded, the charts of connecting of meters of electric energy are shown. The calculation and technological methods of theft are described electric power. Organizational and technical measures come into question on a discovery, prevention and removal of thefts.For the workers of energysupplying organizations and inspector composition of organs of Ростехнадзора. Materials of book can be used by leaders and specialists of energyservices of enterprises (organizations) for correct determination of calculation parameters of facilities of account and losses of electric power in electric networks.If the potential plunderers of electric power hope to find in a book "Useful advices", they must give to itself a report, that supervisory structures are informed in a not less degree and, consequently, armed for an effective fight against противоправной activity.The real book is the processed and complemented edition of the book "A 101 method of theft of electric power" produced in 2005.