Pennsylvania

Energy. Environment. Economy.

Why It Took So Long to Get the Lights Back On at the Superdome

The high-efficiency stadium lights take longer than normal to return to their optimal brightness.

Most sports stadiums and indoor arenas use high intensity discharge (HID) lamps for almost all of their overhead lighting needs. On average, stadium lights have much higher wattage than other outdoor lighting applications such as billboards, roadways, and parking lots. While HID lamps are very efficient, they require significant time to warm up and achieve full brightness after being extinguished.

Read more at: www.eia.gov

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