The gallons of rainwater collected annually from roof sheds to storage cisterns in the Omidyar Neighborhood and Kosasa Community.
The number of square feet of mixed-use space – classrooms, office and back of house – that is equipped with LED bulbs.
The amount of kilowatt hours that the photovoltaic system is designed to produce on campus – metered April 2020 to March 2021.
The percentage of energy that is derived from photovoltaic sources on campus.
The number of electric vehicle charging stations.
* Kilowatt hours = The amount of energy used to keep 1,000 watts running for an hour. Between April 2020 and March 2021, Punahou recorded almost 5 million kilowatt hours on its HECO meter.