The Hustle
September 8, 2026
Why Cities Are Spending Millions to Replace Their Streetlights with LEDs
TL;DR
Cities are replacing traditional streetlights with LEDs because they last over 100,000 hours and cut electricity spending on street lighting by more than half, saving America over $15 billion annually.
Key Takeaways
- 1LED streetlights last more than 100,000 hours compared to earlier technologies like incandescent and sodium lights that burned out much faster
- 2Streetlights can account for up to 40% of a city's electricity bill, making LED conversion financially critical for municipal budgets
- 3Los Angeles saves $5 million per year, New York saves $14 million per year, and Chicago has saved over $100 million by switching to LED streetlights
- 4America is saving over $15 billion annually from LED products across all cities making the switch
- 5The evolution from gas lamps (pre-1900) to incandescent to mercury vapor to sodium lights (1960s) to LEDs represents one of the longest technological journeys in human history
Notable Quotes
“Street lights can account for up to 40% of a city's electricity bill.”
“They could last more than 100,000 hours and cut our cities' electricity spending on street lights by more than half.”
Chapters
1. The History of Street Lighting Technology
From gas lamps before 1900 through incandescent, mercury vapor, and sodium lights (popular since the 1960s in iconic cobra-head shape), each generation offered improvements in efficiency and lifespan.
2. Why LED Conversion Became Essential
LED streetlights last over 100,000 hours and cut electricity spending by more than half, with streetlights representing up to 40% of a city's electricity bill.
3. Major Cities' Savings from LED Adoption
Los Angeles saves $5 million yearly, New York saves $14 million yearly, and Chicago has saved over $100 million, with America saving $15 billion annually from LED products.
Key People & Entities
- Los Angeles
- City saving $5 million per year from LED street light conversion
- New York
- City saving $14 million per year from LED street light conversion
- Chicago
- City that has saved over $100 million by replacing thousands of old street lights with LED street lights
Glossary
- LED
- Light-emitting diode; an energy-efficient lighting technology that lasts over 100,000 hours and uses significantly less electricity than traditional street lights
- Mercury vapor lights
- Street lighting technology known for their green hue, used before sodium lights became standard; they lasted longer and used half the electricity of incandescent lights
- Sodium lights
- Street lighting technology popular since the 1960s, commonly shaped like a cobra head; they became the standard fixture for American streets for 50 years before LED adoption