Simpa Solar Home System
A pay-as-you-go solar home system available in India.
The Simpa Solar Home System is an integrated home energy system that includes an embedded keypad (Simpa Regulator) combined with the Progressive Purchase platform. The platform provides pay as you go solution for end-users. The hardware system includes a solar panel, battery for energy storage, lights, fan, and device charging ports. The software system (Simpa Revenue Management System) is a centralized solution in the cloud, accessible via SMS gateway and over the internet, for payment processing and accounts settlement.
Simpa Networks is headquartered in Noida, Uttar Pradesh, India.
This product is currently distributed throughout India in 9 districts of Uttar Pradesh, Bihar, and Odisha.
Simpa Networks employs payroll sales agents and has registered dealers who distribute the systems.
Customers of Simpa Networks in India sign two-year contracts. Payments are calculated on a daily basis and customers are obliged to buy at least 25 days’ worth of service every month. Users can choose how they want to distribute their payments over time, down payment, and ensuing payments are established with the distributors at the point of sale.
Initial payments range from 60 – 120 USD. Energy recharges start from 50 INR, which is equivalent to 0.66 USDConverted in May 2020. Depending on their energy needs, users can be eligible to receive from Urja Mitras (VLE) and Rural Sales Associates a small down payment of 26.5 – 40 USD (2,000 – 3,000 INR)Converted in May 2020, from the total cost of the Solar Home System.
Simpa Solar Home System competes with other Pay-As-You-Go solar home systems, such as Lumeter Customer Meter, M-KOPA Solar, Offgrid-Electric, Fenix International, Mobisol, Azuri Technologies.
Goal 7: Affordable and clean energy
Individuals, households and private sector businesses.
Simpa’s components are manufactured by partners in India and China. Solar panels are made of monocrystalline and multi-crystalline material. The metering mechanism is composed of a glass display and a rubber keyboard. The enclosure box is made of sheet metal. Simpa’s vendor in Chennai, India, assembles all its electric circuits, but the meter and hardware design are performed in-house. The company’s LED lights are sourced from Solarland and Schneider Electric. Each light is assembled from glass and aluminum, with fitted electric wires. Simpa’s fan, made of fiber-plastic, is sourced from its supplier in China.
Users can obtain the product directly from Simpa Networks.
As of 2019, Simpa Networks has deployed 44,049 Solar Home Systems. The company has provided 352,655 users with clean energy, and 7,623,496 KWh of generated energy.
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)?
Simpa Networks offers systems with panel ratings ranging from 30 – 100 watts and battery sizes ranging from 17 – 26 Ah. Pay as you go functionality is enabled through retail agents and a keypad approach. Mobile payments are not yet widespread in India, as compared to parts of the African SHS market. Therefore, customers must pay a Simpa agent and receive a code until the system is paid off entirely. The code refers to a specific number of days of energy availability Interview with representative, June 2016.
Provided by Simpa Networks. The installation of the SHS is done by Sympa Certified Technicians. For technical support, it is possible to contact Simpa Networks with questions. Customers can reach out to the Customer Care number directly, or they can ask their Customer Relationship Associate who can visit their home or speak to them by phone.
Users can purchase replacement components from Simpa Networks.
7 – 10 years with a 3-year warranty on the system and a 1-year warranty on the battery interview with representative.
Precaution must be taken regarding electrical contacts, users must refer to proper electrical installation and control guidelines.
Users may be able to upgrade their Sympa Solar System with the appropriate technical knowledge and sufficient energy generation. Such upgrades include televisions, radios, or more lights.
Prabhakar Yadar, Anthony P. Heynen, Debajit Palit, 2019, Pay-As-You-Go Financing: A model for viable and widespread deployment of solar home systems in rural India, Energy for Sustainable Development, 48, 139-153.
REMMP Case Study, 2016, Using Innovative Metering Technology for Pre-Paid Solar Systems
to Increase Affordability for India’s Energy Poor, Renewable Energy Microfinance and Microenterprise Program.
Gerard, H., Varshney, K. R., Rao, K., Kabra, K., Simithraaratchy, M., & Needham, G. P. , 2015, Predictive Modeling of Customer Repayment for Sustainable Pay-As-You-Go Solar Power in Rural India.
Moreno, A., & Bareisaite, A., 2015, Scaling up access to electricity: pay-as-you-go plans in off-grid energy services, World Bank Group.
Patil, A., Acharya, J., & Jain, A., 2013, Affordable Pay-As-You-Go Solar Power for India’s Energy-Poor Homes, Asian Development Bank.
Reichert, P., & Trivella, U., 2015, Increasing energy access: the rise of pay-as-you-go solar and innovative financing partnerships. Enterprise Development and Microfinance, 26(3), 248–261.
Simpa Solar Home Systems follow the Indian Battery (management and handling) rules. They are also in compliance with the relevant regulations under the Indian Environment Protection Act.
The manufacturers cite product failure rate and the number of component replacements per month, as evaluation criteria.
More information about Simpa products can be found on their news website.
A video showcasing the Simpa product can be found here.
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