A brief look at some of our lighting projects.

2. The projects behind
our success

3. Replacing 400w SON lamps (2,246kWh / year) with 120w Ellipz HB2 (674kWh/year).
Original lux in driveway = 18 lux, new Lux with Ellipz HB2 = 40 lux
Energy saving annually* : 1,572 kWh / 220 US$**
Payback time (exclusive replacement and maintenance) : 22 months
*) 18 hrs / day / 6 days / week , **) cost per kWh at 0.14 US$
Standard 400w SON lamps Ellipz High Bay Lights – 120w

4. Standard 36w Fluorescent T8 Ellipz T8 LED – 18w
Replacing 36w T8 fluorescent (349kWh* / year) with 18w Ellipz T8 (674kWh/year).
Original lux in driveway = 14 lux, new Lux with Ellipz T8 LED = 26 lux
Energy saving annually** : 325 kWh / 55 US$
Payback time (exclusive replacement and maintenance) : 9 months
*) incl ballast losses, **) 24 hrs / day / 7 days / week , ***) kWh at 0.17 US$

5. Replacing 58w T8 fluorescent (239kWh* / year) with 22w Ellipz T8 (82kWh/year).
Original lux in alley = 140 lux, new Lux with Ellipz T8 LED = 150 lux
Energy saving annually** : 157 kWh / 31.4US$
Payback time (exclusive replacement and maintenance) : 14 months
*) incl ballast losses, **) 12 hrs / day / 6 days / week , ***) kWh at 0.2 US$

6. Replacing 36w T8 fluorescent (124kWh* / year) with 18w Ellipz T8 (56kWh/year).
Original lux at desk level = 200 lux, new Lux with Ellipz T8 LED = 400 lux
Energy saving annually** : 68 kWh / 10.2 US$
Payback time (exclusive replacement and maintenance) : 30 months
*) incl ballast losses, **) 12 hrs / day / 5 days / week , ***) kWh at 0.15 US$

7. Replacing 36w fluorescent (2x18w PL) (124kWh* / year) with 10w Ellipz DL2 (31kWh/year).
Original lux at desk level = 150 lux, new Lux with Ellipz DL2 = 180 lux
Energy saving annually** : 93 kWh / 14 US$
Payback time (exclusive replacement and maintenance) : 27 months
*) incl ballast losses, **) 12 hrs / day / 5 days / week , ***) kWh at 0.15 US$
18w Blue LED DL Ellipz DL2 10w

8. Replacing 36w fluorescent T8 (124kWh* / year) with 18w Ellipz TL2 (31kWh/year).
Replaced 2 tubes for 1, original lux = 150 lux, new Lux with Ellipz TL2 = 180 lux
Energy saving annually** : 108 kWh / 16.2 US$
Payback time (exclusive replacement and maintenance) : 23 months
*) incl ballast losses, **) 12 hrs / day / 5 days / week , ***) kWh at 0.15 US$

9. Replacing 400w HPS (3,494kWh* / year) with 120w Ellipz HB1 (1,198kWh/year).
Replaced original lux = 38 lux, new Lux with Ellipz HB1 = >50 lux
Energy saving annually** : 2,296 kWh / 344.4 US$
Payback time (exclusive replacement and maintenance) : 17 mths
*) incl ballast losses, **) 24 hrs / day / 5 days / week , ***) kWh at 0.15 US$

10. Replacing 36w T8 (349kWh* / year) with 18w Ellipz TL2F (157kWh/year).
Replaced original lux = 120 lux, new Lux with Ellipz TL2F = 210 lux
Energy saving annually** : 192 kWh / 28.8 US$
Payback time (exclusive replacement and maintenance) : 16 months
*) incl ballast losses, **) 24 hrs / day / 7 days / week , ***) kWh at 0.15 US$
Before After

11. Replacing 400w HPS (2,096kWh* / year) with 120w Ellipz SL2 (524kWh/year).
Original lux at = 18lux, new Lux with Ellipz SL2 = 24lux (S/P ratio 2.5)
Energy saving annually** : 1572 kWh / 393 US$
Payback time (exclusive replacement and maintenance) : 19 months
*) incl ballast losses, **) 12 hrs / day / 7 days / week , ***) kWh at 0.25 US$

12. Thank you.