Just last week, the average price of a gallon of unleaded gas in St. Louis was $3.20. By Monday, the average price for regular gasoline on the Missouri side of the St. Louis region reached $3.59 a gallon, according to AAAâs Daily Fuel Gauge Report. Thatâs up 28 cents from this time last year.
But, by 2016, Deutsche expects solar energy to reach price parity in all 50 states. For example, the cost of solar-generated electricity in the top 10 states for capacity ranges from 11-15 cents per kilowatt hour (c/kWh), compared to the retail electricity price of 11-37 c/kWh.
Solar electricity costs about $10 to $12 a watt installed, though you may be eligible for state incentives.Check your utility bill to see your monthly usage. A robust solar electric system will cost about $20,000. solar energy system big enough to power a computer and a few other small items might cost you about $700 to $1000. These are also well suited for RVs, boats and camping. Learn more about portable solar energy units.