Updated on July 10, 2019

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Created on July 29, 2016

Nexleaf StoveTrace

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StoveTrace is a cloud-based remote monitoring system for improved cookstoves in rural households.

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Product Description

StoveTrace is a cloud-based remote monitoring system for improved cookstoves in rural households.

StoveTrace monitors frequency of stove use, duration of each use and uses climate science to derive fuel consumption based on the temperature data. Utilizing cellular or GPRS networks, the temperature data is uploaded to a server. Sensors can run indefinitely when connected to main power or solar panels.Interview with representative

StoveTrace was developed to:

– Provide cookstove manufacturers and distributors with near real-time information about how stoves are used;

– Facilitate interventions that adjust to and follow up on the use patterns of homes and communities;

– Enable payments to rural households via carbon markets and climate funds to subsidize and encourage improved stove use.

Market Suggested Retail Price

$125.00

Distributors / Implementing Organizations

StoveTrace is implemented by Nexleaf

Manufacturing/Building Method

The product is custom-designed and manufactured in India. Nexleaf can handle orders from a few devices to 10's of thousands.Interview with representative

Intellectural Property Type

Trade Secret

User Provision Model

Users may purchase directly from Nexleaf or from partner organizations.

Distributions to Date Status

As of July 2016, StoveTrace has been installed in over 700 households across more than 30 villages in India.

Design Specifications

Power characteristics: - Power Source: 1x rechargeable and replaceable Li-Ion battery. Can be simultaneously plugged to solar panels for continuous charging. - Power Life: 72 hours, or indefinitely if connected to solar panel AC power. - Real Time Power Level Updates - The device has a 750mAh battery. It takes a 5V DC input. Depending on the network quality, sampling configuration, and transmission configuration, the device can run anywhere from 2 days to 5 days without power. (More info) Data Processing & Analysis: - Backup data storage: Internal memory to store up to 5 years at 1-minute sampling interval. - Data Transmission frequency: Once every 6 hours to every 24 hours. - Cloud-Based Data Processing & Analysis Interface. How does it work?: - The StoveTrace system includes a mobile-phone-based temperature sensing application, a thermal sensor that connects to the mobile device and a web-based analytics dashboard. Each time the clean cookstove is fired up, the StoveTrace senses the cooking event via the temperature probe and stores and uploads cooking event data. - The temperature data is wirelessly uploaded from the mobile phone to a central server via a wireless broadband network. - The data collected includes the number of times a stove is used and the duration of each use, enabling remote verification of stove usage. This data can be used by carbon market investors as verification of reduction in carbon emissions. - A web-based dashboard has been developed which shows the number of times the stove has been lit and duration of cooking.

StoveTrace dashboard
 
StoveTrace dashboard

Technical Support

Nexleaf provides remote and in-person technical support in addition to warranty services for replacement components. When organizations implement projects with their device, Nexleaf provides customer service and training on the device, dashboard use, and troubleshooting.Interview with representative

Replacement Components

Replacement components such as batteries and sensors are provided to customers upon request.Interview with representative

Lifecycle

3-year warranty on the device (excluding accessories)Interview with representative The expected lifetime of the device is 5 years. The estimated lifetime of the replaceable battery is 2 years. Interview with representative

Manufacturer Specified Performance Parameters

Performance: - Detection Limits: 0-300°C - Max sampling rate: 1/60 Hz

Vetted Performance Status

An impact study conducted on 135 Households in the State of Odisha showed the following results: - Average Daily Stove Usage was 1.14 hours - 6.29% (of 135 households) were using stove more than 2 hours per day - 65 tons of CO2 equivalent were displaced - $388 earned

Safety

No listed hazards

Complementary Technical Systems

StoveTrace package includes: - 1x Thermal sensor - 1x Desktop-based processing and analysis software access - Nexleaf can provide the device with an adapter to work directly from small solar panels or existing solar systems.

Academic Research and References

Newcombe, K., Ramanathan, T., Ramanathan, N., Ross, E., 2016,  Innovations in Payments for Health Benefits of Improved Cookstoves, Broken Pumps and Promises, pp. 171-77. Web.

Shankar, A., M. Johnson, E. Kay, R. Pannu, T. Beltramo, E. Derby, S. Harrell, C. Davis, and H. Petach, 2014, Maximizing the Benefits of Improved Cookstoves: Moving from Acquisition to Correct and Consistent Use, Global Health: Science and Practice 2.3, pp. 268-74. Web.

Graham, E.A., Patange, O., Lukac, M., Singh, L., Kar, A., Rehman, I.H., and Ramanathan, N., 2014, Laboratory Demonstration and Field Verification of a Wireless Cookstove Sensing System (WiCS) for Determining Cooking Duration and Fuel Consumption, Energy for Sustainable Development, 23, pp. 59-67. Web.

de la Sota, C., Kane, M., Mazorra, J., Lumbreras, J., Youm, I., and Viana M., 2017, Intercomparison of Methods to Estimate Black Carbon Emissions from Cookstoves, Science of The Total Environment, 595, pp. 886-93. Web.

Compliance with regulations

CE markedInterview with representative

Other Information

Cookstove Field Study Resources Vodafone has provided an M2M data plan for StoveTrace sensors and enables remittance of money directly to users through its mPesa solution. Presentation slides from Project Surya Nexleaf Annual Report Experts state that the solution requires infrastructure in order to be deployed in isolated areas. It can be complemented with multi-hop networks with technologies like ZigBee or Bluetooth.

Comments from the Community

1 Comment

  1. Matt McCambridge says:

    still in very early development–not enough here to evaluate it alongside actual products

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