Solar-powered water pumps have the potential to alleviate global water scarcity, but careful management is needed to prevent the overexploitation of groundwater resources.

The solar panels used in water pump systems produce electricity using photovoltaics (PVs). The photovoltaic effect takes place when sunlight hits a material and creates an electrical current.

Solar installers could offer rooftop customers even more savings by bundling solar panels with heat pumps and other electric home devices, according to a recent study by the Rocky Mountain Institute.

This kit comes with four water heating panels, a solar-powered circulation pump, and a 10W solar panel to power the water pump. The panels are lightweight and easy to install. The panels are equipped ...

Finally, the relatively cool water in the canal will moderate the temperature of the panels themselves, which can improve the efficiency of some classes of solar panels. (The authors assume ...

A solar panel runs a small pump that pumps water from a reservoir up to the top of the roof when the sun shines with a float switch in the roof barrel stopping the motor once it’s full.

Solar panels on California’s canals could save water and help fight climate change The California Aqueduct runs through farmland in Kern County. (Al Seib / Los Angeles Times) ...

Solar panels costs and savings: If the homeowner opts for solar panels they can expect to spend £7,860 (plus another £4,500 if they buy a battery) and make a £520 average annual saving on ...

Dutch company Triple Solar has launched a photovoltaic thermal solar panel for residential buildings which can be connected to a brine or water heat pump. The manufacturer says the heating system ...

Most solar power households feed excess electricity back into the grid, for very little financial reward. A hot water heat pump could put that power to better use, by heating water for evening use.