Street & Traffic Lights
Streetlight Total Cost of Ownership: Building a Defensible 20-Year Model
Streetlight total cost of ownership is the present-value cost of buying, operating, maintaining, and eventually replacing a lighting system over a defined period. It compares alternatives that deliver the same required lighting service using the same documented assumptions.
Fixture price and nameplate wattage matter, but neither establishes the lowest municipal lighting cost. A useful comparison starts by defining the lighting service required, then applies the same study boundary and accounting method to every alternative.
August 6, 2026
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