Casino's like the Oneida Indian Nation's Turning Stone Resort operate 24 hours per day, 7 days per week and 365 days per year. That means the lights in hallways, common areas, entrance atriums and some 5,000 to 6,000 other lights that have to be on all the time. Or do they? YNN's Terry Ettinger tells us more.

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"What we did is we took advantage of the natural light in existing areas, the atrium and the winter garden. We installed photo sensors on the roof. When it is light outside, the lights inside turn off, as simple as that. It cost us practically nothing to implement, and it saves us about three percent in our annual electric costs," explained Mike Vaccaro, Director of Facilities.

Vaccaro said the photo sensors cost less than $100 to operate, and they operate lights in an area that is about 7,000 square feet. They are also planning on switching from incandescent bulbs to LED lights.

"A typical incandescent light lasts about 2,000 hours, while an LED light will last about 25,000 hours. So I would change out a light probably every three months, where the LED lights will have to be changed every four years," said Vaccaro.

That saves on labor costs, plus LED lights save on energy costs.

"They use about one-tenth of the electricity. So far, we've changed out 900 to LED lights throughout the property and we've saved close to six to seven percent in our total annual budget," said Vaccaro. "We are in the initial stages of changing out close to 3,000 to LED lights in the Convention Center hallways. These lights are on 24/7 and it's going to provide significant savings."

Obviously the key factor that makes the switch such a cost saving measure is the fact that so many lights have to be on continuously.