Self-cleaning street lamps are indeed seen as economical in the long term though more expensive in terms of installations. Conventional street lights would need a lot of maintenance and cleaning, expand labor and operation costs in the long run.
As the research in self cleaning street lamp technology progresses, self cleaning street lamp research dust-resistant lamp projects exist, so that the need of maintenance is greatly minimized. With automated cleaning systems, there is consistency in the performance of the cleaning system and the cleaner is not needed.
With time, the maintenance saving, labor saving and energy saving gains are larger than the initial investment. Moreover, enhanced durability leads to reduced replacement and repair.
These lamps are especially useful in installations of great size such as highways, industrial areas, and smart cities. On the whole, they provide the economical and sustainable solution to the contemporary urban lighting system.