The following article describes biometric access control systems that are offered by Polskie Sieci Elektroenergetyczne - INFO Sp. z o.o. These systems guarantees the highest security level in connection with usage convenience (there is no need to posses ID cards). At present, biometric solutions are used as access control systems, IT security, time-attendance solutions. This article introduces techniques of people identification based on iris recognition, hand geometry and fingerprint recognition. There are also described products that are used in mentioned above identification methods.