Lighting as a service
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Lighting as a Service (LaaS®) is a service delivery model in which light service is charged on a subscription basis rather than via a one-time payment. This business model has become more common in commercial and citywide installations of LED lights, specifically in retrofitting buildings and outdoor facilities, with the aim of reducing installation costs. Light vendors have used an LaaS strategy in selling value-added services, such as Internet-connected lighting and energy management. 
The acronym LaaS® is registered by UrbanVolt, the original creators of Light as a Service.
- Dean, Brian (25 July 2014). "IoT Enables Lighting-as-a-Service". iotworld.com. IoT World. Retrieved 23 October 2014.