What Is Bias? A bias is a tendency. Most biasesâlike the preference to eat food instead of paper clipsâare helpful. But cognitive shortcuts can cause problems when we're not aware of them and apply them inappropriately, leading to rash decisions or discriminatory practices.
The average solar energy system size in the U.S is approximately 5 kilowatts (kW). Based on the average price of $3.36/watt, a 5kW system would cost $11,760 after tax credits. Below are some average 2015 quotes for other solar energy systems by size: 6kW solar energy system cost: $15,000. 8kW solar energy system cost: $20,000.
Cost of Solar Panels. The cost of solar panels involves more than just the sticker price on the panels. In addition to the material, you will need to pay for installation and maintenance. Solar energy costs approximately $4 to $9 per watt, with the average price at $7 per watt. The size of your home doesn't matter. You will need to look at your monthly energy consumption to determine the amount you need.