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 Cost of Solar Panels in California. 1  The average cost of residential solar installed in California in 2015 was $18,675. As you shown in the above graph, that price varies by several thousand dollars depending on the region. These prices are solar installations purchased with a loan or cash, they do NOT apply to leased systems.