7-Eleven Income Potential. So youâre thinking about buying a 7-Eleven and would like to know how much money you could make. Well, contrary to popular belief, 7-Eleven owners donât typically make Hundreds of Thousands of Dollars.o youâre thinking about buying a 7-Eleven and would like to know how much money you could make. Well, contrary to popular belief, 7-Eleven owners donât typically make Hundreds of Thousands of Dollars.
Home or Farm Scale Wind Turbines. Wind turbines under 100 kilowatts cost roughly $3,000 to $8,000 per kilowatt of capacity. A 10 kilowatt machine (the size needed to power a large home) might have an installed cost of $50,000-$80,000 (or more).maller farm or residential scale turbines cost less overall, but are more expensive per kilowatt of energy producing capacity. Oftentimes there are tax and other incentives that can dramatically reduce the cost of a wind project.
The graphic below shows that the average cost of onshore wind has fallen from $135 per megawatt-hour in 2009 to $59 in 2014. Thatâs a 56 percent drop in five years. The cost of utility-scale photovoltaic technology has plunged from $359 per megawatt-hour in 2009 to $79 in 2014, a 78 percent decline.