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Utilization of a Building

Q
I have a gas station, a house or a factory building.
I’m not making any good use of the roof of the building. Can I use the roof to reduce the cost of electricity by installing a solar power system?
You can install solar power systems on the roof of a factory or a house.
Such a facility can generate 1kW per 2 pyeong (36kW per 72 pyeong).
01
If your monthly average cost of electricity is KRW 1 million,
installing a 36kW solar power system on the roof or in a sunny place, is expected to generate 36kW=4,860Kw (4.5hr per day and for 30 days).
02
Then, you can reduce the electricity cost by KRW 534, 600 (4,860Kw*KRW110).
And KEPCO provides a subsidy worth 50% of the reduced costs, which is KRW 267,300.
03
As a result, you pay KRW 198,100, not KRW 1,000,000.
If you deduct KRW 801,900 from KRW 1,000,000, your monthly electricity bill comes up to KRW 198,100.
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