Expect the cost per watt to be between $2 to $3. As of publishing, the average cost per watt is $2.84. Solar panels typically pay for themselves within 5 to 15 years. It all boils down to how much ...

The project focuses on installing three types of solar panels, which will provide energy for domestic use. This will not only save energy, but it will also save the environment. Polycrystalline ...