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PLC Applications

Smart Light Control

street lights

Streetlights are among a city's most important assets, providing safe roads, inviting public areas, and enhanced security in homes, businesses, and city centers. They're usually very costly to operate, however, and they use a lot of energy - almost 40 percent of a city's electricity spending. Most streetlight manufacturers haven't leveraged technology to address these issues, but as the cost of electricity continues to rise, it's becoming crucial that they do so. Cities that create managed streetlight networks can not only offer additional features but can also save energy, increasing their value as municipal assets.

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The Cost of Operating a Streetlight Network

Besides the obvious electricity costs, operating a streetlight network requires several other expenses:

  • Buying new lamps to equip new areas and to replace those that have failed
  • Retrofitting old lamps to make them more efficient
  • Managing crews of streetlight specialists and service trucks to identify lamp failures and fix them onsite

To reduce streetlight network operating budgets, cities and subcontractors must:

  • Reduce the number of onsite operations,
  • Cancel the night maintenance crews that visually identify lamp failures from a service car,
  • Lower electricity consumption while increasing overall light efficiency, and
  • Increase the average lamp lifetime.

Typical Application

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