Reportedly, Digital Lumens, and Leading Edge Design Group has completed an energy efficient lighting upgrade for the retail areas of City Market/Onion River Co-op., Burlington's only downtown grocery store. Burlington Electric provided the project incentive.

City Market installed the Digital Lumens Intelligent Light Engines (LED-based fixtures with embedded controls) into the shopping areas and uses LightRules (central lighting and energy management software) to configure light levels and monitor energy usage.

It’s estimated that Digital Lumens' Intelligent Lighting System will reduce lighting operating and maintenance costs, and deliver savings of nearly 100,000 kWh of energy per year.