Margot Kiesskalt | Istock | Getty ImagesPlans for a major new wind farm in Australia were given the thumbs up this month — on the provision its turbines go offline for five months a year to protect a parrot species. Robbins Island is located in waters off the northwest coast of Tasmania, a large island and Australian state. CNBC contacted ACEN Australia via the Robbins Island project's website, but did not receive a response prior to publication. The Ayala Corporation, parent company of ACEN Australia majority-owner ACEN Corporation, did not respond to a CNBC request for comment. In comments reported by the Australian Broadcasting Corporation, ACEN Australia Chief Operating Officer David Pollington described the switch-off condition as "completely unexpected."

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