As i understand it, solar power generated electricity still are not competitive, and require subsidies to be competitive. How much is the cost difference nowadays? When will it be competitive w/o subsidies? What is the likelihood that this will ever happen? With what kind of technology?

Best answer:

Answer by phi071237
at preaent, scientist and engineers are already looking for source of regenerative power. you mentioned one. this regenerative sotces of power will be economically feasible when the oil supply will be depleted

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