Operation expenses and economic feasibility analysis
- Operation expenses of CG-254
- Operation expenses of CG-554
- Operation expenses of CG-854
- Price per kg of carbon dioxide
- Fertilization effect
| Electricity expenses | Kerosene expenses | ||
|---|---|---|---|
| Power (W) | 185 | Kerosene consumption per hour (L/h) | 1.7 |
| Hours of use per day | 3 | Hours of use per day | 3 |
| Period of use (day) | 180 | Period of use (day) | 180 |
| Power consumption over 6 months | 99.9 | Amount of kerosene use over 6 months | 918 |
| Winter cost for farming (KRW) | 41.9 | Price of kerosene (KRW) | 905 |
| Total amount (KRW) | 4,186 | Total amount (KRW) | 830,790 |
If used 3 hours a day for 6 months, the total operation expenses are KRW 834,976 which is equivalent to KRW 139,163 per month
(Based on the price of kerosene in March 2021)
| Electricity expenses | Kerosene expenses | ||
|---|---|---|---|
| Power (W) | 280 | Kerosene consumption per hour (L/h) | 3.2 |
| Hours of use per day | 3 | Hours of use per day | 3 |
| Period of use (day) | 180 | Period of use (day) | 180 |
| Power consumption over 6 months | 151.2 | Amount of kerosene use over 6 months | 180 |
| Winter cost for farming (KRW) | 41.9 | Price of kerosene (KRW) | 905 |
| Total amount (KRW) | 6,335 | Total amount (KRW) | 1,563,840 |
If used 3 hours a day for 6 months, the total operation expenses are KRW 834,976 which is equivalent to KRW 139,163 per month
(Based on the price of kerosene in March 2021)
| Electricity expenses | Kerosene expenses | ||
|---|---|---|---|
| Power (W) | 705 | Kerosene consumption per hour (L/h) | 5.3 |
| Hours of use per day | 3 | Hours of use per day | 3 |
| Period of use (day) | 180 | Period of use (day) | 180 |
| Power consumption over 6 months | 380.7 | Amount of kerosene use over 6 months | 2,862 |
| Winter cost for farming (KRW) | 41.9 | Price of kerosene (KRW) | 905 |
| Total amount (KRW) | 15,951 | Total amount (KRW) | 2,590,110 |
If used 3 hours a day for 6 months, the total operation expenses are KRW 834,976 which is equivalent to KRW 139,163 per month
(Based on the price of kerosene in March 2021)
| CG-254S2K for 200 pyeong |
CG-554S2K for 500 pyeong |
CG-854S2K for 800~1,000 pyeong |
|
|---|---|---|---|
| Fuel used | Kerosene | Kerosene | Kerosene |
| CO2 generation amount per hour | 4.29kg/h | 8.07kg/h | 13.37kg/h |
| Fuel consumption per hour | 1.7L/h | 3.2L/h | 5.3L/h |
| Based on general kerosene price (As of March 2021) |
1L KRW 905 | 1L KRW 905 | 1L KRW 905 |
| Electricity cost per hour | About KRW 8 | About KRW 12 | About KRW 30 |
| Based on 1kg generation amount of CO2 | About KRW 366/kg | About KRW 370/kg | About KRW 388/kg |
In case 1kg of carbon dioxide is produced, about KRW 366, about KRW 370, about KRW 388 of kerosene expenses are required (Kerosene + electricity)
Fertilization effect of carbon dioxide regarding strawberry
| Item | Used | Not used | Difference (%) |
|---|---|---|---|
| Difference (%) | 510 | 393 | 130% |
| Quality (%) | 49.5 | 53.6 | 125% |
| Size (%) | 53.6 | 49.2 | 109% |
Estimated breakeven point (Purchase cost of machine, installation cost, operation cost reflected)
- Crop: Strawberry
- Price: Intermediate product price KRW 7,500/kg
- Production quantity: 3,500kg/300 pyeong
- Price: Intermediate product price KRW 7,500/kg
- Production quantity: 3,500kg/300 pyeong
| CG - 254 | CG - 554 | CG - 854 | |
|---|---|---|---|
| 20% increase in yield | 2-3 years | 1 year | 1 year |
| 30% increase in yield | 1 year | 1 year | 1 year |
Fertilization effect
Difference in yield from 4,500kg > 6,000kg = 33% increase
