On July 27, 2010 Washington Middle School became the thirty-third school (seventeenth on Oahu) to receive a photovoltaic (PV) system. The 2-kW grid-connected PV system consists of ten PV modules installed on the roof of the administration building and balance-of-system (BOS) equipment, which includes the microinverters, disconnects, Data Acquisition System (DAS) and other equipment, installed in the utility room of building B. The (10 ea) Sanyo modules used at the school have a rated output of approximately 205 watts each and one of the highest module efficiencies (16.3%) available.
- (10) Sanyo HIT Power 205 PV modules
- (10) Enphase M210 Microinverters
- AC utility disconnect
- Enphase Envoy Communications Gateway
- HNEI custom-built data acquisition system
James Almarez, Lance Murakami, and Grant Aniya from Hawaiian Electric installing the microinverter and racking system (left). Installation of the PV panels (right).
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