The use of AC in summer also increases the cost of electricity bill. In such a situation, if you also want to know how much ...

This can help you get an idea: Here's another look at the formula: (Total solar system costs - rebates) / Electricity bill ... complicated," Haenggi said. Calculating your potential payback ...

This can be very useful for doing your own assessments of how much your energy is likely to cost. Electricity meters record your usage in kWh. Multiply this by your unit rate (for many households this ...