Power

Lighting Source Sodium LED TT Lamp
Lamp Power 250W 168W 50W
Input Voltage AC 220V AC 220V AC 220V
Input Current 1.44A 0.88A 0.31A
Power 316.8W 193.6W 68.9W
Power Factor 0.85 0.99 0.96
Power Consumption 372.7W 195.5W 71.8W
Saving - 47.50% 80.70%
(= 63.3% better than LED)
Wattage / Day
(10 hours / day)		 3.73 kWh 1.96 kWh 0.72 kWh
Wattage / Year 1361.4 kWh 715.4 kWh 262.8 kWh
Energy Saving
(Compared with Sodium)		 - 646.0 kWh 1098.6 kWh

Annual cost

Lighting Source Sodium LED TT Lamp
Cost
(Rp. 767 / kW)		 Rp. 1,044,194 Rp. 548,712 Rp. 206,170
Saving - Rp. 495,482 Rp. 838,024
Cost
(Rp. 1,534 / kW)		 Rp. 2,088,388 Rp. 1,097,424 Rp. 412,339
Saving - Rp. 990,964 Rp. 1,676,049

CO2 reduction

Lighting Source Sodium LED TT Lamp
CO2 reduction
(1kW = 0.997 kg CO2)		 - 644 kg 1,095 kg
Coal Saving
(1 kW = 0.4 kg coal)		 - 258 kg 439 kg
Coal Dust Reduction
(1 kW = 0.272 kg coal dust)		 - 176 kg 299 kg

Return on investment

Lighting Source Sodium LED TT Lamp
Saving / Year
(Rp. 767 / kW)		 - Rp. 495,482 Rp. 838,024
Saving / Year
(Rp. 1,534 / kW)		 - Rp. 990,964 Rp. 1,676,049
Cable Cost Saving - Rp. 3,990,000 Rp. 3,990,000
10-Year Benefit
(Rp. 767 / kW)		 - Rp. 4,954,820 Rp. 8,380,240
10-Year Benefit
(Rp. 1,534 / kW)		 - Rp. 9,909,640 Rp. 16,760,490

* Yearly calculation is based on 365 days