NOVELTY - A thermoelectric power generating system comprises multiple thermoelectric devices; multiple power generating units connected by heat transferring device in-between; thermal containment units that receive thermal energy from elevated temperature source at one end, and transfer that thermal energy to an opposite end; and heat confining structure having multiple layered heat absorbing materials (62, 68, 74, 76) and heat reflecting materials arranged as thermally isolative housings (58, 72, 80) to deliver thermal energy to thermoelectric power generation units.    USE - A thermoelectric power generating system used as portable and/or tabletop device to produce electrical power supply for residential and small business applications. Can also be used in mobile devices for use by military personnel on remote missions, for space exploration applications, and on commercial and personal automotive vehicles.    ADVANTAGE - The system can utilize heat from entire light spectrum instead of converting a portion of photons delivered and an improved efficiency of conversion of solar light thermal energy to electrical energy results, with a potential efficiency of conversion which can exceed 40%. The system utilizes improved thermal management, thus minimizing heat loss.    DETAILED DESCRIPTION - A thermoelectric power generating system comprises multiple thermoelectric devices that form power generating units and multiple power generating units connected by heat transferring device in-between and arranged within thermal containment unit(s). The thermal containment units receive thermal energy from an elevated temperature source at one end, and transfer that thermal energy to an opposite end, which is at a lower temperature such that a temperature differential is created between the two ends. The thermal energy is delivered to the thermoelectric devices enclosed within the thermal containment units. The thermoelectric devices comprise discrete thermoelectric elements disposed in and extending through an electrically non-conductive substrate to form the power generating units. The power generating units are positioned within the thermal containment units such that a first end of each thermoelectric element is located at a higher temperature and a second end of each thermoelectric element is located at a lower temperature along the temperature gradient. The second ends are connected to electrical conduits used for collecting electrical energy generated by the thermoelectric elements as a result of the temperature differential. The electrical output from the thermoelectric devices is connected in a series or parallel configuration within the thermoelectric power generation units. The heat confining structure includes multiple layered heat absorbing materials (62, 68, 74, 76) and heat reflecting materials arranged as thermally isolative housings (58, 72, 80) optimized to deliver the thermal energy to the thermoelectric power generation units stacked in an ascending order in the heat confining structure.    DESCRIPTION OF DRAWING(S) - The drawing is a cross-sectional view of a core assembly comprising three cores enclosed within first, second and third core thermal containers.    Cores (54, 56, 57)    Thermally isolative housings (58, 72, 80)    Reflective barrier material (60, 70)    Multiple layered heat absorbing materials (62, 68, 74, 76)    Passage (64)