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.
The good news is that, as solar panels become more popular and demand increases, theyâve become cheaper to install. Solar Action Alliance estimates the average cost to install solar panels to be between $11,410 and $35,280, depending on the size of the solar system. Hereâs how that breaks down for a 5-kilowatt (5kW) system, the average installation for a home in the U.S.: