SELCO 50W Module
The SELCO 50 W is a solar home system that comprises a solar panel, a battery, lights and a fan.
SELCO, or the Solar Electric Light Company located throughout India offers a series of solar home systems in which is included the 50 W system. The systems are custom designed to provide lightning and power household electrical appliances.
The target region is India, the company operates in Karnataka, Kerala, Maharashtra, Bihar and Tamil Nadu.
$400 USD. Interview with representative
SELCO offers to put users in contact with financial institutions that help them finance energy products.
Energy products like the ones offered by Orb Energy Solectric, Trony, Marathoner, Arundhati Home power, Bright Box 2.
Goal 7: Ensure access to affordable, reliable, sustainable and modern energy for all.
Rural Indians without reliable income or savings.
All components are mass produced but the systems are individually installed.
Electronics are protected via exclusive manufacturing contract with SELCO Labs.
SELCO energy services are provided to end users by their Energy Service Centers (ESC), which are located in small to mid-sized provincial towns throught India.
Exact number unknown but SELCO as of 2018 has reached 450,000 clients. These clients have bought at least one of SELCO’s solar solutions.
Number and type of power outputs
Number and type of light points
Manufacturer-specified lumen-hours per solar day
Peak power rating of the solar panel in standardized sunlight conditions, provided by the manufacturer
Manufacturer-specified battery capacity
Manufacturer-specified battery voltage
Type of battery used
Can the user easily replace the battery if needed?
Can this system be monitored remotely?
Type of user payment structure
Does this system require mobile connectivity (either for payments or to function)?
Provided by the Energy Service Centers (ESC) in Karnataka, Gujarat, Maharashtra, Bihar, and Tamil Nadu. User training is provided via the installing technician, who provides information on how to do basic maintenance, interpret the charge controller, top up with distilled water, battery support, operation of fuses, etc.
Replacement components are available through service technicians working out of the 45 service centers in Karnataka, Gujarat, Maharashtra, Bihar, and Tamil Nadu.
Lifespan and warranties:
- Solar Panel: estimated life between 15-20 years with a warranty of 8 years
- Battery: estimated life between 6-8 years with a warranty of 3 years
Performance vetted by the Ministry of New and Renewable Energy, the MNRE document outlines some overall PV System requirements.
MNRE (Indian govt ministry) testing has been done at the Central Power Research Institute (CPRI) for Selco systems. The individual components are also separately tested and certified by the manufacturers. Interview with representative
Improper knowledge of operation of charge controller could lead to damage or electrical fires. Possibility of exposure to battery acid if maintenance is not conducted properly must be take in consideration.
Majority of research focuses on the financing and business model SELCO uses to distribute its product, or is a general review of the home solar system market landscape in India. No research found regarding system performance.
Brine, D.C., Social enterprise as a rights-based approach to development : a comparative study of two organizations, Cambridge (MA): Massachusetts Institute of Technology; 2010 [cited 2015 Jun 22].
Jue, D.M., From the lab to the land: social impact technology dissemination in rural southern India, Cambridge (MA): Massachusetts Institute of Technology; 2012 Jun [cited 2015 Jun 22].
Chaurey, A., Kandpal, T.C., Assessment and evaluation of PV based decentralized rural electrification: an overview. Renewable and Sustainable Energy Reviews. 2010 Oct;14(8):2266-2278.
Shrimali, G., Rohar, S., India’s solar mission: a review. Renewable and Sustainable Energy Reviews. 2012 Oct;16(8):6317-6332.
Bhargava, B., Overview of photovoltaic technologies in India. Solar Energy Materials and Solar Cells. 2001 Mar;67(1-4):639-646.
Meets MNRE (Indian government ministry) standards. Interview with representative
MNRE (Indian government ministry) standards: The main objectives of the program are: supporting RD&D to make systems more reliable and cost-effective, demonstration, field testing, strengthening manufacturing base. Interview with representative
SELCO also offers other products like solar inverter systems, solar water heaters and DC home appliances.
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