Alloy Development has unveiled plans to construct what will be one of New York City’s most sustainable mixed-use developments. Located at 100 Flatbush Avenue, the residential portion of the tower will be 100 percent electric, or fossil fuel independent, a first for the increasingly carbon-neutral city.

Designed by Architecture Research Office, the two public schools within the lower levels of the tower will be designed to meet Passive House standards, a framework of rigorous architectural guidelines that ensure extremely low energy consumption. These facilities include an elementary school and a new Khalil Gibran International Academy high school.

The 38-story structure is expected to break ground next spring and will eventually rise 500 feet above ground. Additional components designed by Alloy include 100,000 square feet of Class A office space and 30,000 square feet of retail. The residential area will yield 256 units.

All functions and components within the building that are typically powered by natural gas will instead be powered by electricity.

“As New York City looks to pursue carbon neutrality, buildings are an obvious target since they account for nearly 70 percent of the city’s carbon footprint,” said senior associate Jonce Walker of Thornton Tomasetti, a global engineering firm that is providing the project team with Passive House energy and Climate Mobilization Act consulting services. “Alloy’s decision to go with an all-electric building not only eliminates the burning of fossil fuels on-site but locks them into an electrical grid that will only get cleaner over time.”

100 Flatbush is expected to be fully completed by 2023 and will debut as phase one of 80 Flatbush. The second phase includes construction of a 69-story tower that will contain a mix of residential, office, and retail areas. The final phase comprises the rehabilitation of two aging structures at 362 Schermerhorn, the former home of the Khalil Gibran International Academy high school.

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