DC Lighting and Microgrids Study Report Released by Pacific Northwest Laboratories (PNNL)
- Oct 26, 2020 4:10 pm GMT
Earlier in 2020 PNNL conducted a research study supported by the U.S. Department of Energy focused around characterizing the current state of DC lighting and building microgrid market and technologies. In consideration of a future leveraged by the rational implementation of DC microgrids, the report highlights DC lighting as the “key to optimized microgrid solutions” and critical component of a sustainable building power infrastructure; the white paper titled DC Lighting and Building Microgrids is now available. We thank Researchers Gabe Arnold and Grace Pennell for their efforts in spearheading this report, which provides a further evidence validating the value of DC lighting.
Check out the abstract:
Direct current (DC) electricity has the potential to improve the resiliency, reliability, and energy efficiency of building systems. DC facilitates the ability to more easily and directly connect renewable resources such as solar photovoltaics (PV) and energy storage batteries to DC building loads such as light-emitting diode (LED) lighting, computers and electronics, electric vehicle chargers, and variable-speed heating, ventilation, and air conditioning (HVAC) equipment. The improved efficiency of the combined technologies can result in an estimated 10–18% in energy savings. When configured as a microgrid, PV systems and batteries can power DC building loads in the event of a grid outage, improving the resiliency of homes and businesses.
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