DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY

SMART-SIP+ - Innovative approaches to downstream energy utilisation from solar irrigation pumps in Bangladesh

Project disclaimer

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Description

The Aim of this project is to drive forward a large-scale clean energy transition in rural communities in Bangladesh through the design, development and demonstration of smart energy systems which exploit the excess electricity from Solar Irrigation Pumps (SIPs). Context: People/Place: Bangladesh is ranked 7th in the Climate Risk Index 60% of the population (c.100M people) rely on agriculture as their main income source. Intensification of irrigation practices: Allows an additional rice crop (55% of total) to be grown during the dry season (Jan-May). 6M irrigation pumps are used including 1.2M tube-wells powered by diesel engines consuming 1MT/yr imported diesel, emitting 3MT of CO2 (c.4% of Bangladesh’s annual gross emission) Replacement of diesel pumps with SIPs provides a critical route to reliable distributed clean energy. The Asian Development Bank (ADB), supported by key state organisations, propose a roadmap to deliver 45,000 SIPs replacing 200,000 diesel pumps by 2031. SIPs are sized to provide sufficient water during peak irrigation demand (100-150 days per year), so only 40 to 60% of the potential electricity generation of the panels is required for irrigation. The ADB report estimates that the 45,000 replacement SIPs will produce 480GWH/yr of surplus electricity. The current recommended method for utilisation of excess electricity is export to grid, but this often requires expensive grid extension, connection and metering. Post-harvest storage/ processing of crops: Fruit and vegetable production is c.17MT/yr, but post-harvest losses range from 25-40%, whilst farmers obtain a poor price due to surplus supply during peak seasons. Both can be alleviated by the availability of cold storage facilities; however, these are limited in Bangladesh owing to high capex/ energy costs. Additional processing of cereals, fruit and vegetables can add value and reduce losses (milling, drying, juicing), but require energy. These factors present a clear opportunity to leverage the excess electricity from SIPs and utilise it locally and smartly to support agriculture and rural communities. The challenge is that techno-economically validated pathways to seize this opportunity are currently not available to potential users (farmers), operators, investors and policymakers. To meet this challenge our project has the following objectives: Capture demand and supply requirements around SIP locations and their local communities into a structured knowledge base. Address key questions surrounding the design, sizing, and smart operation of farm-based microgrids powered by SIP systems. Tailor system solutions to unique local conditions. Provide socio-technical, techno-economic and Life Cycle Assessments of proposed solutions. Build Decision Support Systems and physical field testing and demonstration sites to enable investors/ decision makers to explore the nature and scale of the opportunity and drive strategic innovation, investment, and policy. Build capacity, capability, and resilience within rural communities by co-creating and co-delivering solutions that ensure equitable access to energy and economic development opportunities. Ayrton Challenges – Super Efficient Demand/ Smart Delivery/ Smart Energy Systems/ Sustainable Cooling/ Inclusive Energy Applications/ Benefits: Results/lessons from this work will also inform solarisation of the >10M diesel irrigation pumps that are currently operated in other Southern Asian countries. Bangladesh is categorised as a ‘Least Developed Country’. By improving access to local reliable and affordable clean energy this project will promote socio-economic development by enhancing business performance and stimulating growth; and reduce poverty and inequality of farming communities (particularly for women), increasing income and employment opportunities and building capacity and capability.

Objectives

ISPF aims to foster prosperity by solving shared global research and innovation challenges. This will be done through working closely with international partners to: support research excellence and build the knowledge and technology of tomorrow strengthen ties with international partners that share our values; enable researchers and innovators to cultivate connections, follow their curiosity and pioneer transformations internationally, for the good of the planet. Activities under ISPF ODA aim to deliver research and innovation partnerships with low- and middle-income countries.

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Location

The country, countries or regions that benefit from this Programme.

Bangladesh

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