US Department of Energy announced LED street light project report

The US Department of Energy (DOE) has released a first-round demonstration project report for LED streetlights, with LED street lights installed on bridges in Minneapolis, Minnesota, USA. The project shows that this is the first time an LED lighting fixture has been installed in an important interstate channel in the United States.

US experience in LED street lighting is worthy of our research

The demonstration project report (Gatewaydemonstrationreport) provides an overview of the initial test results, including lighting performance, economics, and potential energy savings.

The main results of the project include:

???LED luminaires have significant illumination uniformity, and LED luminaires can achieve 13% energy savings compared to baseline high pressure sodium (HPS) lamp systems.

LED lamps have sufficient illumination intensity, and LED lamps are easier to meet the needs of system simulation than traditional HPS systems.

The 40-foot mounting height and wide coverage area make large-size LED luminaires and relatively high original cost a requirement. In terms of the current price of the luminaire, the simple payback period takes a long time.

The public's overall response to the installation of LED lighting fixtures on the bridge was very positive, and the “positive” commentary beat the “negative” comment by 5:1.

The US Department of Energy will continue to monitor the demonstration project over the next three years, and the final project report will be announced at the end of the project.

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