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The U.S. Department of Energy has set a goal of reaching less than $1 a watt—not just for the solar panels, but for complete, installed systems—by 2020. Green thinks the solar industry will hit that target even sooner than that. If so, that would bring the direct cost of solar power to six cents per kilowatt-hour, which is cheaper than the average cost expected for power from new natural gas power plants. All parts of the silicon solar panel industry have been looking for ways to cut costs and improve the power output of solar panels, and that’s led to steady cost reductions.

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Which choice best describes data from the graph that support the conclusion?

a) Natural gas is the most cost-effective because it is abundant and can be reproduced, but researchers are finding ways to use other forms of energy to offset costs.

b) The U.S. Department of Energy wants to cut costs of all forms of energy production to make it more affordable, with a goal of 2020.

c) Solar energy has its setbacks, like being expensive to reproduce, but researchers are finding ways to increase applicability, like decreasing costs.

d)There are variations of solar energy that require extensive installation systems, so researchers are streamlining the approach for installation and increasing output.

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solar power, by the year of 2020 or sooner, is going to be cheaper than natural gas and therefore more cost effective

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The goal for the U.S. Dep. of Energy was to cut cost of all types of energy sources, and improve power outputs in order for people to use.

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In the data, we can see that solar energy is the most expensive out of all and natural gas is the cheaper way and geothermal is in the middle.

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natural gas in 2017 has the lowest levelized cost out of all of the other energy sources listed per megawatts an hour, while solar energy in 2017 has the highest levelized costs per megawatt an hour

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Solar panels will become cheap quite soon, even sooner than what is expected by the D. of Energy according to Green. This is because of improvements in the industry.

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The U.S. Department of Energy is finding ways to lower production cost by 2020.

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as it says at the top the figure shows us the projected energy cost per megawatt - hour in 2017, listing the cost of each energy source, with natural gas being the lowest and solar being more expensive

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answer choice b. the information provided below the bar graph states that the department of energy intends on minimizing the costs per watt for all of the energy sources listed ''less than 1 dollar a watt....for {all} complete, installed systems

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The answer is C because it says that the Department wants to try and reduced the cost for solar energy. The answer wouldn't be A or B because Natural gases maybe cost effective, but they are most harmful to the environment and cutting costs for all forms of energy wouldn't be as effective they all vary. D is only talking about how the solar panels would actually run, therefore it is not talking about the cost of solar energy.