the 32 megawatt (mw) long island solar farm (lisf), located in upton, is the largest photovoltaic array in the eastern united states. the lisf is made up of 164,312 solar panels which provide enough electricity for roughly 4,500 households. the project will cause the abatement of more than 30,000 metric tons of carbon dioxide emissions per year. it earned the best photovoltaic project of year award from the new york solar energy industries association.