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Mayor de Blasio wants the public to play a big role in determining Rikers Island’s future, officials said Wednesday.

Dan Zarrilli, the mayor’s chief climate policy advisor, told the City Council’s environmental committee the administration currently can’t back legislation aimed at converting the 415-acre island into a renewable energy hub because the city first “wants to hear from New Yorkers” about what they want for the former prison.

Zarrilli testified at a hearing on Rikers that the mayor would soon be signing an executive order to “chart out a path for a participatory planning effort” aimed at “reimagin[ing] a brighter future for over 400 acres of land with a painful history.”

“One thing we are not going to do today is determine exact uses,” Zarrilli said.

However, he wouldn’t rule out the administration backing a plan to convert at least 100 acres of the 415-acre island into a renewable energy complex — where solar panels and batteries would store power generated — once all inmates living there are relocated to four new jail facilities being built in each borough but Staten Island.

Under that bill, control of Rikers would be transferred from the Department of Correction to the Department of Environmental Protection.

The city is also considering changing Rikers Island’s name in response to the stigma associated with prisoner-abuse and other problems that have long plagued the jail facility, officials said.

The mayor’s executive order will create an advisory board consisting of an appointee by Council Speaker Corey Johnson and “stakeholders representing key communities invested in the island – including “communities that have been historically targeted by the criminal justice system,” Zarrilli said.

Queens Councilman Costa Constantinindes’ “Renewable Rikers Act” package, which was introduced last June, includes two other bills the de Blasio administration fully supports. One would direct the city to review how much renewable energy capacity the island holds and the other would study the feasibility of building a wastewater treatment plan on part of the island.

“This is an opportunity that only presents itself once in a century,” said Constantinides, who chairs the environmental committee. “The Renewable Rikers plan can help us meet our greenhouse gas goals and reduce emissions.”

Although the plan is backed by environmental groups and many elected officials, other ideas have been floated for Rikers. They include building a runway there for nearby LaGuardia Airport and affordable housing.