Solar Powered Water Pumping System (SPWPS)
Solar Powered Water Pumping System is an easy and affordable solution to solve the water shortage problems. The SPWPS system operates on power generated using solar PV (Solar Photo Voltaic Module) system. The photovoltaic array converts the solar energy into electricity, which is used for running the motor pump set. The pumping system draws water from the open well, bore well, stream, pond, canal etc. The system requires a shadow-free area for installation of the Solar Panel. Solar water pumps can be used to irrigate crops, water livestock, and provide portable drinking water. Solar water pump uses peak solar array output which frequently coincides with high water demand during long, dry summer days.
Benefits of Solar Power over Generator
Millions of people around the world live with limited access to water. In many communities, ground water is extracted through electric water pumps, which use diesel to fuel their systems. However, these systems not only require costly, regular servicing and the purchasing of fuel, they emit carbon dioxide polluting the atmosphere.
Solar Powered Water Pumping System (SPWPS), provides an alternative. After years of research and technological advances, it has proven to be operationally, financially, and environmentally sustainable. In recent years, the cost of solar technology has dropped tremendously. Prices for the solar panels used in these systems have dropped up to 80%. In addition, these panels last around 25 years, requiring little maintenance throughout this time.
These factors have made Solar Water Pumping an extremely viable way to expand energy access across developing countries and communities, while creating a strong resistance to shifts in rainfall caused by climate change or unreliable seasonable patterns. Governments have opted to subsidize the cost of solar pumping, increasing the pool of shared learning for this emerging technology.
Even though solar water pumping is ready for mainstreaming and has started to take off in some parts of the world, its benefits remain largely unknown to communities, governments, and development institutions.
The Solar Powered Water Pumping System(SPWPS) ranging from 1HP to 5HP have been installed at various location of Nepal. This system was installed by ECCA in two sites of Lumbini to uplift the farmers for irrigation. The Drinking Department of Bharatpur also installed this system at many sites for drinking purpose. The lifting of water for about 100m was introduced at Chepang valley for drinking water using this system. Thus, SPWPS being an reliable and efficient renewable energy is being implemented by everyone.