Electricity BillElectricity SavingsEnergy CashbackEnergy EfficiencyHigh-Efficiency AppliancesHousehold Energy ReductionKEPCOSouth KoreaSubsidy ProgramSustainable EnergyWelfare Facility Support 23 7월 2025 Korea Electric Power Corporation's Energy Cashback Program Surpasses 1.21 Million Households Korea Electric Power Corporation's Energy Cashback Program Surpasses 1.21 Million Households In…