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Taking integrated power system of theRepublicofBelarusas an example the paper considers a possibility of heat accumulator use for TPP operation in accordance with the schedule of electric power consumption while maintaining daily supply of heat energy from turbine power takes-off and without involvement of peak-loader boilers used for covering energy loads.

The paper considers a decrease in consumption of natural gas by means of stabilization of the GTU power characteristics in summer when their degradation is observed due to higher ambient temperature and also the possibility to use an excess of thermal energy which occurs in a non-heating period for preservation of the GTU power and efficiency that provides sufficient economy of the initial fuel.

The paper considers a possibility to use co-generated complexes having heat technological industrial load for operation in accordance with the requirements of irregularity of electric power generation schedule.

The paper considers a potential, energy and economic efficiency of joint activities of enterprises of the Ministry of Energy sector and enterprises of the material sector of the economic complex of the Republic of Belarus on the basis of the methodology for intensive energy saving. Such calculated values as annual savings of natural gas in Belarus – up to 1 million tons of fuel equivalent, release investment for the Ministry of Energy – up to 1 billion USD, range for changes in electricity generation during a day - up to 1 GW with a specific consumption of fuel equivalent – 160 g/(kWh) have been determined while taking thermal technology of asphalt concrete mixture production and regulation of electricity generation as an example. Fuel saving system and investment return create preconditions for realization of the project by private investors.

The paper considers potential of power saving by the Belarusian industrial enterprises at transition to cogeneration power supply of heat technological processes.