Before connecting the solar system, switch off the geyser’s power at the main circuit breaker. Allow the water in the geyser to cool down completely before making any adjustments. Choose a sunny ...

Take control of your energy costs with solar power. Solar panels generate “free” electricity, but installing a system still costs money. A typical American household needs a 10-kilowatt (kW) system to ...

As the price of solar panels has plunged, a strange thing has happened. The panels have gone from being a large fraction of installation costs to a relatively minor component. That means all the other ...