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LED and Solar LED Illumination Solutions



Energy Saving Case Studies Using LED Lights

Hospitals & Clinics

Whilst lights are generally used 24/7 in these institutions and facilities, it will be noted from the table below that the total saving over 1 year (at a low rate of R1.20/kWh) is a staggering R 48,9 Mil. The total reduction in CO2 emission amounts to 49,000 Tonnes per annum and a saving of approximately 68,6 Million Liters of Water.  

Businesses:
In the case study for the company Plastique (see table below), it was noted that apart from paying for the replacement cost of the LED lights from the savings in year one, the company saved a further R 15,000 in electricity cost in the first year.  A total saving of R 195,000 over the next 5 years without taking electricity tariff hikes or maintenance into account. Needless to say, it is a substantial saving for any small business.

It is fair to conclude that in most instances, the Return On Investment for replacing or retrofitting conventional lights with LED technology, is seldom more than 24 months. Savings over a five year period renders a LED upgrade an essential and responsible action towards reducing carbon emissions and water usage.

The case studies below prove to be a significant effort towards a GREEN economy.

 

BEFORE (kW)

AFTER (kW)

SAVING (kW)

Saving %

Hospitals & Clinics





STEVE BIKO

1 014.67

322.37

692.31

68%

HELEN JOSEPH

976.20

321.41

654.79

67%

SIZWE TROPICAL DISEASE

193.67

63.49

130.18

67%

YUSUF DADOO

362.55

119.12

243.43

67%

RAHIMA MOOSA

340.60

111.36

229.24

67%

STERKFONTEIN

1 193.01

374.79

818.22

69%

TARA H MOROSS

49.62

15.86

33.76

68%

MEDICAL SUPPLY   DEPOT

420.25

132.75

287.50

68%

KOPANONG

313.20

103.81

209.39

67%

TULISA PARK

30.10

9.71

20.39

68%

BERTHA GXOWA

587.36

187.72

399.64

68%

ZOLA/JABULANI

116.42

42.40

74.02

64%

LENASIA SOUTH CHC

126.73

39.25

87.49

69%

BARAGWANATH

371.20

130.04

241.16

65%

TAMBO MEMORIAL

67.14

21.94

45.20

67%

JOHAN HEYNS

3.19

0.99

2.20

69%

PHOLOSONG

15.60

4.99

10.61

68%

HILLBROW CHC

19.20

6.00

13.20

69%

CARLETONVILLE

376.36

119.06

257.30

68%

EDENVALE

303.77

99.35

204.42

67%

TOTAL FACILITIES ABOVE

6 880.84

2 226.40

4 654.44

 






Businesses:



Saving (kWh p.a.)

Saving (%)

Western Cape Poultry Farm



51,226

68%

Plastique - Injection Moulding Factory



20,477

81%

Computer Wholesaler Gauteng



1,760,447

67%

ACSA - 1 x Warehouse



16,863

67%