Microgrid Knowledge
Summary
In October 2012, Princeton University made headlines worldwide when over 8 million electric customers lost power during Superstorm Sandy and the university’s microgrid kept its critical systems running, allowing the New Jersey-based Ivy League campus to serve as an electric refuge for faculty, students, staff members, first responders and local community members.
At the time, the campus was energized by an on-site 15-MW combined heat and power (CHP) plant–producing electricity and thermal energy in the form of heating and cooling from a single source of energy. The microgrid also included chilled water, thermal storage, a 5.4-MW solar photovoltaic farm and an advanced control system.
“It was a point of pride to get through this regional crisis and be a place of support, not an additional burden on the community,” said Ted Borer, former director of the Princeton energy plant, a job he held for 30 years.
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