Following the population growth, the consumption and demand for energy are currently growing far greater than the amount of energy produced. In order to respond to environmental challenges, this project aims to integrate renewable energy into the public-open space. Voronoi Pavilion, located at Brant Park, midtown Manhattan, is an energy Pavilion that accommodates public gatherings and provides a sitting area. The project integrates water collectors to collect all the stormwater on the pavilion site, and solar photovoltaic panels that could generate energy and power ‘Stephen A. Schwarzman Building (Public Library). Solar radiation, Wind, and water flow analysis were conducted to examine pavilion energy performance. In 10 years Voronoi, Energy Pavilion will generate 50,985,530 Kwh, avoid 34,160 Co2 emissions, and save 30,000 Barrels of oil.