Feed-in tariff to aid solar weighed

Arizona utility regulators are designing rules that would require power companies to buy electricity from solar developers at prearranged prices. The "feed-in tariff" aims to guarantee profits for solar developers, while encouraging more solar-power generation in Arizona. It also aims to stabilize the Arizona solar-construction market, which has risen and fallen as incentives from utilities and the federal government have changed. Advocates of the tariff say it is needed because solar-power developers need to be fairly certain that they can make money before investing in solar projects. The feed-in tariff, or FIT, would mirror similar rules in Germany, the world's largest market for solar power.

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