Page 49 - Shelter-April 2024

CASE STUDIES

Table 1: Wattage and Lumens of Different Lamps

Factor FTL HPSV Metal Halide
Wattage 40 250 160 70 400

Output (lumens) 2700 27000 13500 5600 36000
Efficiency (lumens/ 55 87 75 64 90
watt)
Lamp life (hours) 10,000-20,000 18,000-24,000 15,000 10,000 15,000-20,000

Energy use Medium Low Low Low High
Colour rendition Good Moderate Moderate Moderate Good

Source: Krishnamurthy and Gokul (2011)

(iv) Compact fluorescent systems will lead to significant of identified mission cities
lamps (CFLs) cost savings to municipal with focus on modernisation
bodies/ ULGs, which they of urban infrastructure
(v) Incandescent bulbs can use on the provision of and application of digital
(including Mast Lamps) other civic infrastructure technologies in service
The energy consumption services. delivery. Energy efficiency
(wattage) of current Retrofitting Urban of cities is an important
streetlight systems is very Streetlight Systems element of it. However, the
high as evident from the Table upgradation & augmentation
1, which need to be replaced through Public Private of urban infrastructure
by the modern systems that Partnerships requires not just funding but
use Light Emitting Diode Given the rising levels of the capacities of technology,
(LED) bulbs, which provide urbanisation requiring finances, organisation
comparable illumination and support urban services, the and execution, which are
have a much longer service cities have to improve service in shortfall in urban local
life. Therefore, retrofitting the provision, which requires a governments. Therefore,
current streetlight systems substantial amount of public Public Private Partnerships
with the new LED devices and private investment into (PPPs) can play a major role in
and lighting systems is an urban infrastructure services. overcoming them (Nallathiga
important step towards The Jawaharlal Nehru 2007). It is also laid down
achieving new urban agenda National Urban Renewal that PPPs in infrastructure
and SDGs. Furthermore, Mission (JNNURM) has lead to infrastructure service
it also promotes the fiscal laid down foundation for improvement through
health of cities, which is providing funding support reforms, competitive
rather messy in India with to the Indian cities to fill the procurement and technical
several cities striving hard to gaps in urban infrastructure expertise (World Bank 2006).
sustain themselves as public service provision. The Private sector participation
institutions. Retrofitting Smart Cities Mission, which can bring-in technical,
streetlight systems with replaced it aims at the smart managerial and financial
modern energy efficient and sustainable development resources that can be combined

April, 2024, Volume 25. No.1 - SHELTER 47