We have made it possible for poor households in India to replace their inefficient incandescent light bulbs (ICL) with more than 8.6 million CFLs and are now transitioning to the distribution of leading edge LED lighting in South Asia.
Impact: Incandescent vs. LED Bulbs
- Very poor families using incandescent bulbs (ICL) spend as much as 10% of their income on electricity in India.
- From 2010-2013, CQC supplied high quality CFLs at a fraction of the retail price;
- We supplied CFLs lasted 10-20 times longer and produce better light than ICL bulbs;
- CFL’s are a transitional technology and have been superseded by LEDs, which have lifetimes of 25,000 to 50,000 hours, 5-10 times longer than most CFLs and with the same improvement in efficiency and per lumens delivered;
- CFLs are prone to early failure under poor power quality conditions which prevail in many developing countries. LEDs are much less susceptible to failure due to voltage fluctuation.
- Recently recorded failure rates of LEDs in Indian households with relatively poor power quality, including serious voltage fluctuation, are less than 0.5% per annum. This compares to CFLs, which are often destroyed by severe voltage fluctuation, and experience loss rates of 10% per annum or more.
- LEDs cut electricity consumption by 80%, saving households enough to recover the retail cost of the bulbs within 15-20 weeks, while lasting 5-10 years depending on level of use.
- High quality, long life CFLs distributed by us in India up to 2014 reduced greenhouse gas emissions by approximately 4 million tons of carbon;.
- We are now planning to replicate its CFL efficient lighting projects using modern reliable LEDs made in India with even greater long term impacts on household economy and power systems reliability.
INDIA: Changing Light-Changing Lives
Between 2010 and 2013, we worked with the Indian government’s BLY program and the Ministry of Railways to distribute over eight million compact florescent light (CFL) bulbs. The result was lower electricity bills, better quality lighting, reduced greenhouse gas emissions.
Reporting on technology change in lighting
- National Public Radio FAQ on lightbulbs, February 19, 2014
- The New Yorker: The L.E.D Quandary: Why There's No Such Thing as "Built to Last"
INCANDESCENT LIGHT BULBS
Incandescent bulbs remain the main form of lighting for low income households in India because they are universally available and cost as little as US 10-15 cents per bulb compared to 200-250 Rps for LEDs at the retail level (mid-2016). However, ICLs last only 500-1000 hours.
- 100 million families estimated to be using 60-100 watt incandescent bulbs still in households across India, despite major government programs for LED distribution.
- 1000 MW of coal fired power plant avoided at the evening peak: For every 15-20 million LEDs installed in households replacing ICLs.
- 3-5 % of family income saved: In the switch from incandescent bulbs to LEDs
LEDs use approximately 15% of the energy of incandescent bulbs to produce the same amount of light, and last 50 to 100 times longer.
- 130 tons of CO₂e saved by replacing 400 million incandescent bulbs with LEDs.
- 1/5 of the cost: Electricity cost savings for very poor families from LED use of can be 3-5% of their income.
- Payback time: It only takes 2-4 months of lower electricity bills from use of LEDs to recover the 15-30 INR per LED bulb cost under a carbon financed program for distribution of LEDs to the poorest consumers.
We have embarked on the design of the next generation of efficient lighting, using LEDs instead of CFLs, focused again on base-of-the pyramid consumers still unable to afford the transition from old inefficient but very cheap incandescent light bulbs. LEDs of modest quality retail in Indian in 2016 for 200-150 Rps per 8W bulb, while incandescent bulbs of 60W can be purchased for 10-15 Rps. Overcoming the first cost barrier is, as always, the key financing challenge to transform the provision of lighting services to the poor. We hope to launch a new series of LED lighting projects with Indian utilities and other partners in early 2017.