Sacramento - Inductive Street Lighting and LED Traffic Signals
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Sacramento has retrofitted 420 historic street light fixtures from mercury vapor to induction lighting. Energy savings are roughly 15% and maintenance savings due to long lamp life is 80%; the City has retrofitted over 70% of traffic signals with LED technology with about 60% energy savings since 2001. In 2007, energy savings for the traffic signal retrofit program was 5 million kWh; cumulative savings since the mid 1990's exceeds 20 million kWh.