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Bangladesh Farmers Power Up With Solar Irrigation
3 Apr
Summary
- Solar irrigation costs less than diesel pumps.
- Bangladesh aims for 45,000 solar pumps by 2035.
- Groundwater concerns arise with increased solar irrigation.
In Bangladesh's agricultural sector, solar-powered irrigation pumps are being promoted as a sustainable alternative to diesel generators. This shift aims to lower irrigation costs for farmers and reduce reliance on fossil fuels, especially amid rising global energy prices. While solar irrigation offers cost savings, with estimates showing it costs between $87 and $99 per acre compared to $125 to $150 for diesel, its adoption has been slow.
Experts highlight that connecting solar pumps to the grid for selling surplus electricity could improve their economic viability. However, restrictions on drawing power from the grid when solar energy is insufficient remain a barrier. Bangladesh has a national goal to install 45,000 solar irrigation pumps by 2035. Despite progress, challenges such as high initial investment and licensing complexities persist.
Furthermore, the expansion of solar irrigation raises concerns about increased pressure on groundwater resources, particularly in regions like northwest Bangladesh already facing depletion. While some research suggests solar users do not necessarily extract more water, careful regulation and region-specific planning are deemed essential for sustainable groundwater management.
