Some Washington County cities running into snags as streetlights switch to LEDs

Ivins residents display options for a yellow LED streetlight to the Ivins City Council, Ivins, Utah, Oct. 18, 2018 | Photo by Spencer Ricks, St. George News

ST. GEORGE — If you think some streetlights in southwestern Utah are looking a little brighter than before, you’re not wrong.

A high-pressure sodium streetlight shines on a road while an LED streetlight shines on a parking lot in St. George, Utah, Oct. 26, 2018 | Photo by Spencer Ricks, St. George News

Many communities across Washington County are making the switch to LED lights from the traditional high-pressure sodium lights that have lined roadways for decades. While some communities are experiencing growing pains involved in changing to the more energy-efficient, brighter LED lights, the color and cost of making the switch aren’t enough to stop cities like St. George, Ivins and Springdale from moving forward with plans to replace every streetlight with LEDs.

The city of St. George has already replaced a “significant amount” of streetlights in the city with LED bulbs over the past three years with no signs of slowing down until all the streetlights in the city are LEDs, said Rene Fleming, manager of energy and water customer services for St. George.

Some of the LED streetlights installed have prompted a few residents to complain about the glare, which Fleming said the city has addressed.

Many people have said they’ve been able to see the street better with the LEDs,” Fleming said. “We’ve worked in some neighborhoods to put shields on the streetlights to keep some of the dark sky so people can still see the stars, but for the most part, people like them better.”

Color of moonlight vs. warm, yellow color

LED lights are known for being much more energy efficient and brighter than other forms of lights, and because they emit a white light, they’re often designed to appear more like moonlight, Fleming said.

“While high-pressure pressure sodium lights are more of a yellow light, LEDs have more of a white, natural looking light,” Fleming said. “If you look at a standard incandescent light in your house, you’re going to see a yellow light unless you replace them with LED lights.”

Options for yellow LED streetlights are displayed to the Ivins City Council, Ivins, Utah, Oct. 18, 2018 | Photo by Spencer Ricks, St. George News

Switching from yellow streetlights to white ones has proved to be a sacrifice too large for residents of Ivins, who sent enough letters to members of the City Council asking them to start looking at options for yellow LED streetlights that would match the high-pressure sodium lights currently still being used in the city.

“A lot of residents like the kind of yellow, soft orange light from the high-pressure sodium lights,” said Chuck Gillette, public works director for Ivins. “It’s a little more friendly for dark skies. Ivins has always been a big supporter of having a dark sky.”

Making the LED lights appear yellow like the old lights would require an acrylic lens to be fitted on all the bulbs, Gillette said. The other option would be to work with a different manufacturer who actually makes yellow LED lights. The second option would cost about 50 percent more than it would for the standard LED lights, which are already more expensive than high-pressure sodium lights, Gillette said.

“We have been having a lot of problems with the high pressure sodium lights and the high maintenance costs associated with them,” Gillette said. “We’ve been having to replace a lot of ballasts and lamps on the high-pressure sodium quite frequently, so we definitely have an incentive to switch to LEDs.”

Weighing the costs

There aren’t any official bids on LED lights from Ivins yet, but replacing all of the lights in the city would cost several million dollars, Gillette said. The City Council asked Gillette to look at some options for the manufactures to lower their price on the yellow LEDs at the Oct. 18 council meeting.

“If somebody realizes that there’s a huge market out there for these simulated high-pressure sodium-colored lamps, I would guess that that would eventually work its way across the industry,” Ivins Mayor Chris Hart said.

Another city in Washington County that recently switched their streetlights with LEDs has received pushback from the residents after the project was completed. The city of Springdale decided to change the lights along state Route 9 through the main part of the town during the road reconstruction project by the Utah Department of Transportation earlier this year.

An LED light (left) is contrasted with a high-pressure sodium light (right) | Stock images, St. George News

A problem that started with the design of the lights caused the new LEDs to shine in people’s property on either side of the highway instead of shining completely on the roadway, said Tom Dansie, TK.

“When we turned the lights on for the first time, we discovered that despite our best efforts and our best planning, the lights weren’t shining exactly where we wanted them to,” Dansie said. “So we are right now working on a number of different potential fixes so that light is confined to the roadway and doesn’t spill into people’s properties.”

Dansie said he’s looking into installing shields or screens on the lights to direct the light onto the roadway because replacing all of the streetlights with better-designed ones would be too costly to do at this point.

Besides the complaints from a few Springdale residents about the lights, Dansie said many visitors in Springdale have left comments with the city about how they feel more comfortable walking outside at night because of the brighter streetlights.

“It makes the town a more friendly place to be after the sun goes down and it’s dark,” Dansie said.

Switching from high-pressure sodium lights to LEDs is a change that Gillette said every city will soon have to make. When the city of Ivins looked at replacing the city’s lights two years ago with high-pressure sodium lights, the manufacturer they had used before wasn’t even offering high-pressure sodium lights anymore, he said.

“There will be a time when there just won’t be an availability of high-pressure sodium lights,” Gillette said. “The future for streetlights is LED lights.”

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Twitter:  @STGnews | @SpencerRicks

Copyright St. George News, LLC, 2018, all rights reserved.

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  • utahdiablo October 27, 2018 at 9:53 pm

    Well at least you have some streetlights that work!….I’ve called the city for over two years now to get broken, non lit lights replaced and there is always some excuse ( dog ate my homework )….if you love the LED street lights your gonna really fall in love with the ever coming Biilboards changing over to LEDs, those damn things can be seen from outer space!

  • jaltair October 28, 2018 at 12:36 am

    Two problems with LED street lighting. … Because LED light is so concentrated and has high blue content, it can cause severe glare, resulting in pupillary constriction in the eyes. Blue light scatters more in the human eye than the longer wavelengths of yellow and red, and sufficient levels can damage the retina. Another problem with Led, it disturbs circadian rhythm, disrupting sleep patterns. (From the American Medical Association)

    Why do we not just go without street lighting and have our eyes adapt; or, if safety is the need, go with the yellow or pinkish. White is too harsh.

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