Which one of these statements, if true, most strengthens Sanjay’s argument?

Sanjay said that wind farms will not meet all our energy needs as the demand for electricity grows, because we cannot rely on a source which varies with the weather. We need power 24 hours a day, 7 days a week, which is why the construction of wind turbines, with their uneven output, is not the solution.

Which one of these statements, if true, most strengthens Sanjay's argument?

Scientists have found that global average wind speeds are increasing. There is no practical way to store the energy generated by wind turbines. Local residents often complain about wind turbines spoiling the landscape. A single wind turbine can generate the same energy as a thousand solar panels.

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Which one of these statements, if true, most strengthens Sanjay's argument?